diff --git a/externals/catch/catch.hpp b/externals/catch/catch.hpp
index 6c1756a6..94e20c21 100644
--- a/externals/catch/catch.hpp
+++ b/externals/catch/catch.hpp
@@ -1,9 +1,9 @@
 /*
- *  Catch v2.11.1
- *  Generated: 2019-12-28 21:22:11.930976
+ *  Catch v2.13.1
+ *  Generated: 2020-09-07 12:12:38.090364
  *  ----------------------------------------------------------
  *  This file has been merged from multiple headers. Please don't edit it directly
- *  Copyright (c) 2019 Two Blue Cubes Ltd. All rights reserved.
+ *  Copyright (c) 2020 Two Blue Cubes Ltd. All rights reserved.
  *
  *  Distributed under the Boost Software License, Version 1.0. (See accompanying
  *  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -14,7 +14,7 @@
 
 
 #define CATCH_VERSION_MAJOR 2
-#define CATCH_VERSION_MINOR 11
+#define CATCH_VERSION_MINOR 13
 #define CATCH_VERSION_PATCH 1
 
 #ifdef __clang__
@@ -132,7 +132,7 @@ namespace Catch {
 
 #endif
 
-#if defined(CATCH_CPP17_OR_GREATER)
+#if defined(__cpp_lib_uncaught_exceptions)
 #  define CATCH_INTERNAL_CONFIG_CPP17_UNCAUGHT_EXCEPTIONS
 #endif
 
@@ -141,6 +141,9 @@ namespace Catch {
 #if defined(__GNUC__) && !defined(__clang__) && !defined(__ICC)
 #    define CATCH_INTERNAL_START_WARNINGS_SUPPRESSION _Pragma( "GCC diagnostic push" )
 #    define CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION  _Pragma( "GCC diagnostic pop" )
+
+#    define CATCH_INTERNAL_IGNORE_BUT_WARN(...) (void)__builtin_constant_p(__VA_ARGS__)
+
 #endif
 
 #if defined(__clang__)
@@ -148,6 +151,21 @@ namespace Catch {
 #    define CATCH_INTERNAL_START_WARNINGS_SUPPRESSION _Pragma( "clang diagnostic push" )
 #    define CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION  _Pragma( "clang diagnostic pop" )
 
+// As of this writing, IBM XL's implementation of __builtin_constant_p has a bug
+// which results in calls to destructors being emitted for each temporary,
+// without a matching initialization. In practice, this can result in something
+// like `std::string::~string` being called on an uninitialized value.
+//
+// For example, this code will likely segfault under IBM XL:
+// ```
+// REQUIRE(std::string("12") + "34" == "1234")
+// ```
+//
+// Therefore, `CATCH_INTERNAL_IGNORE_BUT_WARN` is not implemented.
+#  if !defined(__ibmxl__)
+#    define CATCH_INTERNAL_IGNORE_BUT_WARN(...) (void)__builtin_constant_p(__VA_ARGS__) /* NOLINT(cppcoreguidelines-pro-type-vararg, hicpp-vararg) */
+#  endif
+
 #    define CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS \
          _Pragma( "clang diagnostic ignored \"-Wexit-time-destructors\"" ) \
          _Pragma( "clang diagnostic ignored \"-Wglobal-constructors\"")
@@ -294,7 +312,7 @@ namespace Catch {
     #define CATCH_CONFIG_COLOUR_NONE
 #endif
 
-#if defined(__UCLIBC__)
+#if !defined(_GLIBCXX_USE_C99_MATH_TR1)
 #define CATCH_INTERNAL_CONFIG_GLOBAL_NEXTAFTER
 #endif
 
@@ -312,7 +330,10 @@ namespace Catch {
 
   // Check if byte is available and usable
   #  if __has_include(<cstddef>) && defined(CATCH_CPP17_OR_GREATER)
-  #    define CATCH_INTERNAL_CONFIG_CPP17_BYTE
+  #    include <cstddef>
+  #    if __cpp_lib_byte > 0
+  #      define CATCH_INTERNAL_CONFIG_CPP17_BYTE
+  #    endif
   #  endif // __has_include(<cstddef>) && defined(CATCH_CPP17_OR_GREATER)
 
   // Check if variant is available and usable
@@ -420,6 +441,12 @@ namespace Catch {
 #   define CATCH_INTERNAL_SUPPRESS_ZERO_VARIADIC_WARNINGS
 #endif
 
+// The goal of this macro is to avoid evaluation of the arguments, but
+// still have the compiler warn on problems inside...
+#if !defined(CATCH_INTERNAL_IGNORE_BUT_WARN)
+#   define CATCH_INTERNAL_IGNORE_BUT_WARN(...)
+#endif
+
 #if defined(__APPLE__) && defined(__apple_build_version__) && (__clang_major__ < 10)
 #   undef CATCH_INTERNAL_SUPPRESS_UNUSED_TEMPLATE_WARNINGS
 #elif defined(__clang__) && (__clang_major__ < 5)
@@ -751,7 +778,7 @@ constexpr auto operator "" _catch_sr( char const* rawChars, std::size_t size ) n
 #define INTERNAL_CATCH_REMOVE_PARENS_4_ARG(_0, _1, _2, _3) INTERNAL_CATCH_REMOVE_PARENS(_0), INTERNAL_CATCH_REMOVE_PARENS_3_ARG(_1, _2, _3)
 #define INTERNAL_CATCH_REMOVE_PARENS_5_ARG(_0, _1, _2, _3, _4) INTERNAL_CATCH_REMOVE_PARENS(_0), INTERNAL_CATCH_REMOVE_PARENS_4_ARG(_1, _2, _3, _4)
 #define INTERNAL_CATCH_REMOVE_PARENS_6_ARG(_0, _1, _2, _3, _4, _5) INTERNAL_CATCH_REMOVE_PARENS(_0), INTERNAL_CATCH_REMOVE_PARENS_5_ARG(_1, _2, _3, _4, _5)
-#define INTERNAL_CATCH_REMOVE_PARENS_7_ARG(_0, _1, _2, _3, _4, _5, _6) INTERNAL_CATCH_REMOVE_PARENS(_0), INTERNAL_CATCH_REMOVE_PARENS_6_ARG(_1, _2, _4, _5, _6)
+#define INTERNAL_CATCH_REMOVE_PARENS_7_ARG(_0, _1, _2, _3, _4, _5, _6) INTERNAL_CATCH_REMOVE_PARENS(_0), INTERNAL_CATCH_REMOVE_PARENS_6_ARG(_1, _2, _3, _4, _5, _6)
 #define INTERNAL_CATCH_REMOVE_PARENS_8_ARG(_0, _1, _2, _3, _4, _5, _6, _7) INTERNAL_CATCH_REMOVE_PARENS(_0), INTERNAL_CATCH_REMOVE_PARENS_7_ARG(_1, _2, _3, _4, _5, _6, _7)
 #define INTERNAL_CATCH_REMOVE_PARENS_9_ARG(_0, _1, _2, _3, _4, _5, _6, _7, _8) INTERNAL_CATCH_REMOVE_PARENS(_0), INTERNAL_CATCH_REMOVE_PARENS_8_ARG(_1, _2, _3, _4, _5, _6, _7, _8)
 #define INTERNAL_CATCH_REMOVE_PARENS_10_ARG(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9) INTERNAL_CATCH_REMOVE_PARENS(_0), INTERNAL_CATCH_REMOVE_PARENS_9_ARG(_1, _2, _3, _4, _5, _6, _7, _8, _9)
@@ -920,13 +947,13 @@ namespace Catch {
 
 #if defined(__cpp_lib_is_invocable) && __cpp_lib_is_invocable >= 201703
     // std::result_of is deprecated in C++17 and removed in C++20. Hence, it is
-    // replaced with std::invoke_result here. Also *_t format is preferred over
-    // typename *::type format.
-    template <typename Func, typename U>
-    using FunctionReturnType = std::remove_reference_t<std::remove_cv_t<std::invoke_result_t<Func, U>>>;
+    // replaced with std::invoke_result here.
+    template <typename Func, typename... U>
+    using FunctionReturnType = std::remove_reference_t<std::remove_cv_t<std::invoke_result_t<Func, U...>>>;
 #else
-    template <typename Func, typename U>
-    using FunctionReturnType = typename std::remove_reference<typename std::remove_cv<typename std::result_of<Func(U)>::type>::type>::type;
+    // Keep ::type here because we still support C++11
+    template <typename Func, typename... U>
+    using FunctionReturnType = typename std::remove_reference<typename std::remove_cv<typename std::result_of<Func(U...)>::type>::type>::type;
 #endif
 
 } // namespace Catch
@@ -1081,7 +1108,7 @@ struct AutoReg : NonCopyable {
                     int index = 0;                                    \
                     constexpr char const* tmpl_types[] = {CATCH_REC_LIST(INTERNAL_CATCH_STRINGIZE_WITHOUT_PARENS, __VA_ARGS__)};\
                     using expander = int[];\
-                    (void)expander{(reg_test(Types{}, Catch::NameAndTags{ Name " - " + std::string(tmpl_types[index]), Tags } ), index++, 0)... };/* NOLINT */ \
+                    (void)expander{(reg_test(Types{}, Catch::NameAndTags{ Name " - " + std::string(tmpl_types[index]), Tags } ), index++)... };/* NOLINT */ \
                 }\
             };\
             static int INTERNAL_CATCH_UNIQUE_NAME( globalRegistrar ) = [](){\
@@ -1127,7 +1154,7 @@ struct AutoReg : NonCopyable {
                     constexpr char const* tmpl_types[] = {CATCH_REC_LIST(INTERNAL_CATCH_STRINGIZE_WITHOUT_PARENS, INTERNAL_CATCH_REMOVE_PARENS(TmplTypes))};\
                     constexpr char const* types_list[] = {CATCH_REC_LIST(INTERNAL_CATCH_STRINGIZE_WITHOUT_PARENS, INTERNAL_CATCH_REMOVE_PARENS(TypesList))};\
                     constexpr auto num_types = sizeof(types_list) / sizeof(types_list[0]);\
-                    (void)expander{(Catch::AutoReg( Catch::makeTestInvoker( &TestFuncName<Types> ), CATCH_INTERNAL_LINEINFO, Catch::StringRef(), Catch::NameAndTags{ Name " - " + std::string(tmpl_types[index / num_types]) + "<" + std::string(types_list[index % num_types]) + ">", Tags } ), index++, 0)... };/* NOLINT */\
+                    (void)expander{(Catch::AutoReg( Catch::makeTestInvoker( &TestFuncName<Types> ), CATCH_INTERNAL_LINEINFO, Catch::StringRef(), Catch::NameAndTags{ Name " - " + std::string(tmpl_types[index / num_types]) + "<" + std::string(types_list[index % num_types]) + ">", Tags } ), index++)... };/* NOLINT */\
                 }                                                     \
             };                                                        \
             static int INTERNAL_CATCH_UNIQUE_NAME( globalRegistrar ) = [](){ \
@@ -1171,7 +1198,7 @@ struct AutoReg : NonCopyable {
             void reg_tests() {                                          \
                 int index = 0;                                    \
                 using expander = int[];                           \
-                (void)expander{(Catch::AutoReg( Catch::makeTestInvoker( &TestFunc<Types> ), CATCH_INTERNAL_LINEINFO, Catch::StringRef(), Catch::NameAndTags{ Name " - " + std::string(INTERNAL_CATCH_STRINGIZE(TmplList)) + " - " + std::to_string(index), Tags } ), index++, 0)... };/* NOLINT */\
+                (void)expander{(Catch::AutoReg( Catch::makeTestInvoker( &TestFunc<Types> ), CATCH_INTERNAL_LINEINFO, Catch::StringRef(), Catch::NameAndTags{ Name " - " + std::string(INTERNAL_CATCH_STRINGIZE(TmplList)) + " - " + std::to_string(index), Tags } ), index++)... };/* NOLINT */\
             }                                                     \
         };\
         static int INTERNAL_CATCH_UNIQUE_NAME( globalRegistrar ) = [](){ \
@@ -1205,7 +1232,7 @@ struct AutoReg : NonCopyable {
                     int index = 0;                                    \
                     constexpr char const* tmpl_types[] = {CATCH_REC_LIST(INTERNAL_CATCH_STRINGIZE_WITHOUT_PARENS, __VA_ARGS__)};\
                     using expander = int[];\
-                    (void)expander{(reg_test(Types{}, #ClassName, Catch::NameAndTags{ Name " - " + std::string(tmpl_types[index]), Tags } ), index++, 0)... };/* NOLINT */ \
+                    (void)expander{(reg_test(Types{}, #ClassName, Catch::NameAndTags{ Name " - " + std::string(tmpl_types[index]), Tags } ), index++)... };/* NOLINT */ \
                 }\
             };\
             static int INTERNAL_CATCH_UNIQUE_NAME( globalRegistrar ) = [](){\
@@ -1254,7 +1281,7 @@ struct AutoReg : NonCopyable {
                     constexpr char const* tmpl_types[] = {CATCH_REC_LIST(INTERNAL_CATCH_STRINGIZE_WITHOUT_PARENS, INTERNAL_CATCH_REMOVE_PARENS(TmplTypes))};\
                     constexpr char const* types_list[] = {CATCH_REC_LIST(INTERNAL_CATCH_STRINGIZE_WITHOUT_PARENS, INTERNAL_CATCH_REMOVE_PARENS(TypesList))};\
                     constexpr auto num_types = sizeof(types_list) / sizeof(types_list[0]);\
-                    (void)expander{(Catch::AutoReg( Catch::makeTestInvoker( &TestName<Types>::test ), CATCH_INTERNAL_LINEINFO, #ClassName, Catch::NameAndTags{ Name " - " + std::string(tmpl_types[index / num_types]) + "<" + std::string(types_list[index % num_types]) + ">", Tags } ), index++, 0)... };/* NOLINT */ \
+                    (void)expander{(Catch::AutoReg( Catch::makeTestInvoker( &TestName<Types>::test ), CATCH_INTERNAL_LINEINFO, #ClassName, Catch::NameAndTags{ Name " - " + std::string(tmpl_types[index / num_types]) + "<" + std::string(types_list[index % num_types]) + ">", Tags } ), index++)... };/* NOLINT */ \
                 }\
             };\
             static int INTERNAL_CATCH_UNIQUE_NAME( globalRegistrar ) = [](){\
@@ -1301,7 +1328,7 @@ struct AutoReg : NonCopyable {
                 void reg_tests(){\
                     int index = 0;\
                     using expander = int[];\
-                    (void)expander{(Catch::AutoReg( Catch::makeTestInvoker( &TestName<Types>::test ), CATCH_INTERNAL_LINEINFO, #ClassName, Catch::NameAndTags{ Name " - " + std::string(INTERNAL_CATCH_STRINGIZE(TmplList)) + " - " + std::to_string(index), Tags } ), index++, 0)... };/* NOLINT */ \
+                    (void)expander{(Catch::AutoReg( Catch::makeTestInvoker( &TestName<Types>::test ), CATCH_INTERNAL_LINEINFO, #ClassName, Catch::NameAndTags{ Name " - " + std::string(INTERNAL_CATCH_STRINGIZE(TmplList)) + " - " + std::to_string(index), Tags } ), index++)... };/* NOLINT */ \
                 }\
             };\
             static int INTERNAL_CATCH_UNIQUE_NAME( globalRegistrar ) = [](){\
@@ -1805,8 +1832,8 @@ namespace Catch {
 #endif
 
     namespace Detail {
-        template<typename InputIterator>
-        std::string rangeToString(InputIterator first, InputIterator last) {
+        template<typename InputIterator, typename Sentinel = InputIterator>
+        std::string rangeToString(InputIterator first, Sentinel last) {
             ReusableStringStream rss;
             rss << "{ ";
             if (first != last) {
@@ -1964,20 +1991,27 @@ namespace Catch {
 #endif // CATCH_CONFIG_ENABLE_VARIANT_STRINGMAKER
 
 namespace Catch {
-    struct not_this_one {}; // Tag type for detecting which begin/ end are being selected
-
-    // Import begin/ end from std here so they are considered alongside the fallback (...) overloads in this namespace
+    // Import begin/ end from std here
     using std::begin;
     using std::end;
 
-    not_this_one begin( ... );
-    not_this_one end( ... );
+    namespace detail {
+        template <typename...>
+        struct void_type {
+            using type = void;
+        };
+
+        template <typename T, typename = void>
+        struct is_range_impl : std::false_type {
+        };
+
+        template <typename T>
+        struct is_range_impl<T, typename void_type<decltype(begin(std::declval<T>()))>::type> : std::true_type {
+        };
+    } // namespace detail
 
     template <typename T>
-    struct is_range {
-        static const bool value =
-            !std::is_same<decltype(begin(std::declval<T>())), not_this_one>::value &&
-            !std::is_same<decltype(end(std::declval<T>())), not_this_one>::value;
+    struct is_range : detail::is_range_impl<T> {
     };
 
 #if defined(_MANAGED) // Managed types are never ranges
@@ -2345,6 +2379,18 @@ namespace Catch {
         auto operator <= ( RhsT const& rhs ) -> BinaryExpr<LhsT, RhsT const&> const {
             return { static_cast<bool>(m_lhs <= rhs), m_lhs, "<=", rhs };
         }
+        template <typename RhsT>
+        auto operator | (RhsT const& rhs) -> BinaryExpr<LhsT, RhsT const&> const {
+            return { static_cast<bool>(m_lhs | rhs), m_lhs, "|", rhs };
+        }
+        template <typename RhsT>
+        auto operator & (RhsT const& rhs) -> BinaryExpr<LhsT, RhsT const&> const {
+            return { static_cast<bool>(m_lhs & rhs), m_lhs, "&", rhs };
+        }
+        template <typename RhsT>
+        auto operator ^ (RhsT const& rhs) -> BinaryExpr<LhsT, RhsT const&> const {
+            return { static_cast<bool>(m_lhs ^ rhs), m_lhs, "^", rhs };
+        }
 
         template<typename RhsT>
         auto operator && ( RhsT const& ) -> BinaryExpr<LhsT, RhsT const&> const {
@@ -2425,7 +2471,7 @@ namespace Catch {
         virtual void sectionEnded( SectionEndInfo const& endInfo ) = 0;
         virtual void sectionEndedEarly( SectionEndInfo const& endInfo ) = 0;
 
-        virtual auto acquireGeneratorTracker( SourceLineInfo const& lineInfo ) -> IGeneratorTracker& = 0;
+        virtual auto acquireGeneratorTracker( StringRef generatorName, SourceLineInfo const& lineInfo ) -> IGeneratorTracker& = 0;
 
 #if defined(CATCH_CONFIG_ENABLE_BENCHMARKING)
         virtual void benchmarkPreparing( std::string const& name ) = 0;
@@ -2663,6 +2709,7 @@ namespace Catch {
 ///////////////////////////////////////////////////////////////////////////////
 #define INTERNAL_CATCH_TEST( macroName, resultDisposition, ... ) \
     do { \
+        CATCH_INTERNAL_IGNORE_BUT_WARN(__VA_ARGS__); \
         Catch::AssertionHandler catchAssertionHandler( macroName##_catch_sr, CATCH_INTERNAL_LINEINFO, CATCH_INTERNAL_STRINGIFY(__VA_ARGS__), resultDisposition ); \
         INTERNAL_CATCH_TRY { \
             CATCH_INTERNAL_START_WARNINGS_SUPPRESSION \
@@ -2671,8 +2718,7 @@ namespace Catch {
             CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION \
         } INTERNAL_CATCH_CATCH( catchAssertionHandler ) \
         INTERNAL_CATCH_REACT( catchAssertionHandler ) \
-    } while( (void)0, (false) && static_cast<bool>( !!(__VA_ARGS__) ) ) // the expression here is never evaluated at runtime but it forces the compiler to give it a look
-    // The double negation silences MSVC's C4800 warning, the static_cast forces short-circuit evaluation if the type has overloaded &&.
+    } while( (void)0, (false) && static_cast<bool>( !!(__VA_ARGS__) ) )
 
 ///////////////////////////////////////////////////////////////////////////////
 #define INTERNAL_CATCH_IF( macroName, resultDisposition, ... ) \
@@ -2989,6 +3035,9 @@ namespace Catch {
             {}
 
             std::string translate( ExceptionTranslators::const_iterator it, ExceptionTranslators::const_iterator itEnd ) const override {
+#if defined(CATCH_CONFIG_DISABLE_EXCEPTIONS)
+                return "";
+#else
                 try {
                     if( it == itEnd )
                         std::rethrow_exception(std::current_exception());
@@ -2998,6 +3047,7 @@ namespace Catch {
                 catch( T& ex ) {
                     return m_translateFunction( ex );
                 }
+#endif
             }
 
         protected:
@@ -3266,9 +3316,10 @@ namespace Matchers {
                 return description;
             }
 
-            MatchAllOf<ArgT>& operator && ( MatcherBase<ArgT> const& other ) {
-                m_matchers.push_back( &other );
-                return *this;
+            MatchAllOf<ArgT> operator && ( MatcherBase<ArgT> const& other ) {
+                auto copy(*this);
+                copy.m_matchers.push_back( &other );
+                return copy;
             }
 
             std::vector<MatcherBase<ArgT> const*> m_matchers;
@@ -3299,9 +3350,10 @@ namespace Matchers {
                 return description;
             }
 
-            MatchAnyOf<ArgT>& operator || ( MatcherBase<ArgT> const& other ) {
-                m_matchers.push_back( &other );
-                return *this;
+            MatchAnyOf<ArgT> operator || ( MatcherBase<ArgT> const& other ) {
+                auto copy(*this);
+                copy.m_matchers.push_back( &other );
+                return copy;
             }
 
             std::vector<MatcherBase<ArgT> const*> m_matchers;
@@ -3558,12 +3610,12 @@ namespace Catch {
 namespace Matchers {
 
     namespace Vector {
-        template<typename T>
-        struct ContainsElementMatcher : MatcherBase<std::vector<T>> {
+        template<typename T, typename Alloc>
+        struct ContainsElementMatcher : MatcherBase<std::vector<T, Alloc>> {
 
             ContainsElementMatcher(T const &comparator) : m_comparator( comparator) {}
 
-            bool match(std::vector<T> const &v) const override {
+            bool match(std::vector<T, Alloc> const &v) const override {
                 for (auto const& el : v) {
                     if (el == m_comparator) {
                         return true;
@@ -3579,12 +3631,12 @@ namespace Matchers {
             T const& m_comparator;
         };
 
-        template<typename T>
-        struct ContainsMatcher : MatcherBase<std::vector<T>> {
+        template<typename T, typename AllocComp, typename AllocMatch>
+        struct ContainsMatcher : MatcherBase<std::vector<T, AllocMatch>> {
 
-            ContainsMatcher(std::vector<T> const &comparator) : m_comparator( comparator ) {}
+            ContainsMatcher(std::vector<T, AllocComp> const &comparator) : m_comparator( comparator ) {}
 
-            bool match(std::vector<T> const &v) const override {
+            bool match(std::vector<T, AllocMatch> const &v) const override {
                 // !TBD: see note in EqualsMatcher
                 if (m_comparator.size() > v.size())
                     return false;
@@ -3606,18 +3658,18 @@ namespace Matchers {
                 return "Contains: " + ::Catch::Detail::stringify( m_comparator );
             }
 
-            std::vector<T> const& m_comparator;
+            std::vector<T, AllocComp> const& m_comparator;
         };
 
-        template<typename T>
-        struct EqualsMatcher : MatcherBase<std::vector<T>> {
+        template<typename T, typename AllocComp, typename AllocMatch>
+        struct EqualsMatcher : MatcherBase<std::vector<T, AllocMatch>> {
 
-            EqualsMatcher(std::vector<T> const &comparator) : m_comparator( comparator ) {}
+            EqualsMatcher(std::vector<T, AllocComp> const &comparator) : m_comparator( comparator ) {}
 
-            bool match(std::vector<T> const &v) const override {
+            bool match(std::vector<T, AllocMatch> const &v) const override {
                 // !TBD: This currently works if all elements can be compared using !=
                 // - a more general approach would be via a compare template that defaults
-                // to using !=. but could be specialised for, e.g. std::vector<T> etc
+                // to using !=. but could be specialised for, e.g. std::vector<T, Alloc> etc
                 // - then just call that directly
                 if (m_comparator.size() != v.size())
                     return false;
@@ -3629,15 +3681,15 @@ namespace Matchers {
             std::string describe() const override {
                 return "Equals: " + ::Catch::Detail::stringify( m_comparator );
             }
-            std::vector<T> const& m_comparator;
+            std::vector<T, AllocComp> const& m_comparator;
         };
 
-        template<typename T>
-        struct ApproxMatcher : MatcherBase<std::vector<T>> {
+        template<typename T, typename AllocComp, typename AllocMatch>
+        struct ApproxMatcher : MatcherBase<std::vector<T, AllocMatch>> {
 
-            ApproxMatcher(std::vector<T> const& comparator) : m_comparator( comparator ) {}
+            ApproxMatcher(std::vector<T, AllocComp> const& comparator) : m_comparator( comparator ) {}
 
-            bool match(std::vector<T> const &v) const override {
+            bool match(std::vector<T, AllocMatch> const &v) const override {
                 if (m_comparator.size() != v.size())
                     return false;
                 for (std::size_t i = 0; i < v.size(); ++i)
@@ -3664,16 +3716,14 @@ namespace Matchers {
                 return *this;
             }
 
-            std::vector<T> const& m_comparator;
+            std::vector<T, AllocComp> const& m_comparator;
             mutable Catch::Detail::Approx approx = Catch::Detail::Approx::custom();
         };
 
-        template<typename T>
-        struct UnorderedEqualsMatcher : MatcherBase<std::vector<T>> {
-            UnorderedEqualsMatcher(std::vector<T> const& target) : m_target(target) {}
-            bool match(std::vector<T> const& vec) const override {
-                // Note: This is a reimplementation of std::is_permutation,
-                //       because I don't want to include <algorithm> inside the common path
+        template<typename T, typename AllocComp, typename AllocMatch>
+        struct UnorderedEqualsMatcher : MatcherBase<std::vector<T, AllocMatch>> {
+            UnorderedEqualsMatcher(std::vector<T, AllocComp> const& target) : m_target(target) {}
+            bool match(std::vector<T, AllocMatch> const& vec) const override {
                 if (m_target.size() != vec.size()) {
                     return false;
                 }
@@ -3684,7 +3734,7 @@ namespace Matchers {
                 return "UnorderedEquals: " + ::Catch::Detail::stringify(m_target);
             }
         private:
-            std::vector<T> const& m_target;
+            std::vector<T, AllocComp> const& m_target;
         };
 
     } // namespace Vector
@@ -3692,29 +3742,29 @@ namespace Matchers {
     // The following functions create the actual matcher objects.
     // This allows the types to be inferred
 
-    template<typename T>
-    Vector::ContainsMatcher<T> Contains( std::vector<T> const& comparator ) {
-        return Vector::ContainsMatcher<T>( comparator );
+    template<typename T, typename AllocComp = std::allocator<T>, typename AllocMatch = AllocComp>
+    Vector::ContainsMatcher<T, AllocComp, AllocMatch> Contains( std::vector<T, AllocComp> const& comparator ) {
+        return Vector::ContainsMatcher<T, AllocComp, AllocMatch>( comparator );
     }
 
-    template<typename T>
-    Vector::ContainsElementMatcher<T> VectorContains( T const& comparator ) {
-        return Vector::ContainsElementMatcher<T>( comparator );
+    template<typename T, typename Alloc = std::allocator<T>>
+    Vector::ContainsElementMatcher<T, Alloc> VectorContains( T const& comparator ) {
+        return Vector::ContainsElementMatcher<T, Alloc>( comparator );
     }
 
-    template<typename T>
-    Vector::EqualsMatcher<T> Equals( std::vector<T> const& comparator ) {
-        return Vector::EqualsMatcher<T>( comparator );
+    template<typename T, typename AllocComp = std::allocator<T>, typename AllocMatch = AllocComp>
+    Vector::EqualsMatcher<T, AllocComp, AllocMatch> Equals( std::vector<T, AllocComp> const& comparator ) {
+        return Vector::EqualsMatcher<T, AllocComp, AllocMatch>( comparator );
     }
 
-    template<typename T>
-    Vector::ApproxMatcher<T> Approx( std::vector<T> const& comparator ) {
-        return Vector::ApproxMatcher<T>( comparator );
+    template<typename T, typename AllocComp = std::allocator<T>, typename AllocMatch = AllocComp>
+    Vector::ApproxMatcher<T, AllocComp, AllocMatch> Approx( std::vector<T, AllocComp> const& comparator ) {
+        return Vector::ApproxMatcher<T, AllocComp, AllocMatch>( comparator );
     }
 
-    template<typename T>
-    Vector::UnorderedEqualsMatcher<T> UnorderedEquals(std::vector<T> const& target) {
-        return Vector::UnorderedEqualsMatcher<T>(target);
+    template<typename T, typename AllocComp = std::allocator<T>, typename AllocMatch = AllocComp>
+    Vector::UnorderedEqualsMatcher<T, AllocComp, AllocMatch> UnorderedEquals(std::vector<T, AllocComp> const& target) {
+        return Vector::UnorderedEqualsMatcher<T, AllocComp, AllocMatch>( target );
     }
 
 } // namespace Matchers
@@ -4033,16 +4083,16 @@ namespace Generators {
         return makeGenerators( value( T( std::forward<U>( val ) ) ), std::forward<Gs>( moreGenerators )... );
     }
 
-    auto acquireGeneratorTracker( SourceLineInfo const& lineInfo ) -> IGeneratorTracker&;
+    auto acquireGeneratorTracker( StringRef generatorName, SourceLineInfo const& lineInfo ) -> IGeneratorTracker&;
 
     template<typename L>
     // Note: The type after -> is weird, because VS2015 cannot parse
     //       the expression used in the typedef inside, when it is in
     //       return type. Yeah.
-    auto generate( SourceLineInfo const& lineInfo, L const& generatorExpression ) -> decltype(std::declval<decltype(generatorExpression())>().get()) {
+    auto generate( StringRef generatorName, SourceLineInfo const& lineInfo, L const& generatorExpression ) -> decltype(std::declval<decltype(generatorExpression())>().get()) {
         using UnderlyingType = typename decltype(generatorExpression())::type;
 
-        IGeneratorTracker& tracker = acquireGeneratorTracker( lineInfo );
+        IGeneratorTracker& tracker = acquireGeneratorTracker( generatorName, lineInfo );
         if (!tracker.hasGenerator()) {
             tracker.setGenerator(pf::make_unique<Generators<UnderlyingType>>(generatorExpression()));
         }
@@ -4055,11 +4105,17 @@ namespace Generators {
 } // namespace Catch
 
 #define GENERATE( ... ) \
-    Catch::Generators::generate( CATCH_INTERNAL_LINEINFO, [ ]{ using namespace Catch::Generators; return makeGenerators( __VA_ARGS__ ); } ) //NOLINT(google-build-using-namespace)
+    Catch::Generators::generate( INTERNAL_CATCH_STRINGIZE(INTERNAL_CATCH_UNIQUE_NAME(generator)), \
+                                 CATCH_INTERNAL_LINEINFO, \
+                                 [ ]{ using namespace Catch::Generators; return makeGenerators( __VA_ARGS__ ); } ) //NOLINT(google-build-using-namespace)
 #define GENERATE_COPY( ... ) \
-    Catch::Generators::generate( CATCH_INTERNAL_LINEINFO, [=]{ using namespace Catch::Generators; return makeGenerators( __VA_ARGS__ ); } ) //NOLINT(google-build-using-namespace)
+    Catch::Generators::generate( INTERNAL_CATCH_STRINGIZE(INTERNAL_CATCH_UNIQUE_NAME(generator)), \
+                                 CATCH_INTERNAL_LINEINFO, \
+                                 [=]{ using namespace Catch::Generators; return makeGenerators( __VA_ARGS__ ); } ) //NOLINT(google-build-using-namespace)
 #define GENERATE_REF( ... ) \
-    Catch::Generators::generate( CATCH_INTERNAL_LINEINFO, [&]{ using namespace Catch::Generators; return makeGenerators( __VA_ARGS__ ); } ) //NOLINT(google-build-using-namespace)
+    Catch::Generators::generate( INTERNAL_CATCH_STRINGIZE(INTERNAL_CATCH_UNIQUE_NAME(generator)), \
+                                 CATCH_INTERNAL_LINEINFO, \
+                                 [&]{ using namespace Catch::Generators; return makeGenerators( __VA_ARGS__ ); } ) //NOLINT(google-build-using-namespace)
 
 // end catch_generators.hpp
 // start catch_generators_generic.hpp
@@ -4411,6 +4467,7 @@ namespace Catch {
 } // end namespace Catch
 
 // end catch_option.hpp
+#include <chrono>
 #include <iosfwd>
 #include <string>
 #include <vector>
@@ -4468,6 +4525,7 @@ namespace Catch {
         virtual int abortAfter() const = 0;
         virtual bool showInvisibles() const = 0;
         virtual ShowDurations::OrNot showDurations() const = 0;
+        virtual double minDuration() const = 0;
         virtual TestSpec const& testSpec() const = 0;
         virtual bool hasTestFilters() const = 0;
         virtual std::vector<std::string> const& getTestsOrTags() const = 0;
@@ -4481,6 +4539,7 @@ namespace Catch {
         virtual int benchmarkSamples() const = 0;
         virtual double benchmarkConfidenceInterval() const = 0;
         virtual unsigned int benchmarkResamples() const = 0;
+        virtual std::chrono::milliseconds benchmarkWarmupTime() const = 0;
     };
 
     using IConfigPtr = std::shared_ptr<IConfig const>;
@@ -5234,10 +5293,12 @@ namespace Catch {
         unsigned int benchmarkSamples = 100;
         double benchmarkConfidenceInterval = 0.95;
         unsigned int benchmarkResamples = 100000;
+        std::chrono::milliseconds::rep benchmarkWarmupTime = 100;
 
         Verbosity verbosity = Verbosity::Normal;
         WarnAbout::What warnings = WarnAbout::Nothing;
         ShowDurations::OrNot showDurations = ShowDurations::DefaultForReporter;
+        double minDuration = -1;
         RunTests::InWhatOrder runOrder = RunTests::InDeclarationOrder;
         UseColour::YesOrNo useColour = UseColour::Auto;
         WaitForKeypress::When waitForKeypress = WaitForKeypress::Never;
@@ -5288,6 +5349,7 @@ namespace Catch {
         bool warnAboutMissingAssertions() const override;
         bool warnAboutNoTests() const override;
         ShowDurations::OrNot showDurations() const override;
+        double minDuration() const override;
         RunTests::InWhatOrder runOrder() const override;
         unsigned int rngSeed() const override;
         UseColour::YesOrNo useColour() const override;
@@ -5299,6 +5361,7 @@ namespace Catch {
         int benchmarkSamples() const override;
         double benchmarkConfidenceInterval() const override;
         unsigned int benchmarkResamples() const override;
+        std::chrono::milliseconds benchmarkWarmupTime() const override;
 
     private:
 
@@ -5664,6 +5727,9 @@ namespace Catch {
     // Returns double formatted as %.3f (format expected on output)
     std::string getFormattedDuration( double duration );
 
+    //! Should the reporter show
+    bool shouldShowDuration( IConfig const& config, double duration );
+
     std::string serializeFilters( std::vector<std::string> const& container );
 
     template<typename DerivedT>
@@ -6057,8 +6123,6 @@ namespace Catch {
 
         static std::string getDescription();
 
-        ReporterPreferences getPreferences() const override;
-
         void noMatchingTestCases(std::string const& spec) override;
 
         void assertionStarting(AssertionInfo const&) override;
@@ -6506,20 +6570,18 @@ namespace Catch {
                     return {};
                 }
             };
-            template <typename Sig>
-            using ResultOf_t = typename std::result_of<Sig>::type;
 
             // invoke and not return void :(
             template <typename Fun, typename... Args>
-            CompleteType_t<ResultOf_t<Fun(Args...)>> complete_invoke(Fun&& fun, Args&&... args) {
-                return CompleteInvoker<ResultOf_t<Fun(Args...)>>::invoke(std::forward<Fun>(fun), std::forward<Args>(args)...);
+            CompleteType_t<FunctionReturnType<Fun, Args...>> complete_invoke(Fun&& fun, Args&&... args) {
+                return CompleteInvoker<FunctionReturnType<Fun, Args...>>::invoke(std::forward<Fun>(fun), std::forward<Args>(args)...);
             }
 
             const std::string benchmarkErrorMsg = "a benchmark failed to run successfully";
         } // namespace Detail
 
         template <typename Fun>
-        Detail::CompleteType_t<Detail::ResultOf_t<Fun()>> user_code(Fun&& fun) {
+        Detail::CompleteType_t<FunctionReturnType<Fun>> user_code(Fun&& fun) {
             CATCH_TRY{
                 return Detail::complete_invoke(std::forward<Fun>(fun));
             } CATCH_CATCH_ALL{
@@ -6764,8 +6826,8 @@ namespace Catch {
             Result result;
             int iterations;
         };
-        template <typename Clock, typename Sig>
-        using TimingOf = Timing<ClockDuration<Clock>, Detail::CompleteType_t<Detail::ResultOf_t<Sig>>>;
+        template <typename Clock, typename Func, typename... Args>
+        using TimingOf = Timing<ClockDuration<Clock>, Detail::CompleteType_t<FunctionReturnType<Func, Args...>>>;
     } // namespace Benchmark
 } // namespace Catch
 
@@ -6776,7 +6838,7 @@ namespace Catch {
     namespace Benchmark {
         namespace Detail {
             template <typename Clock, typename Fun, typename... Args>
-            TimingOf<Clock, Fun(Args...)> measure(Fun&& fun, Args&&... args) {
+            TimingOf<Clock, Fun, Args...> measure(Fun&& fun, Args&&... args) {
                 auto start = Clock::now();
                 auto&& r = Detail::complete_invoke(fun, std::forward<Args>(args)...);
                 auto end = Clock::now();
@@ -6795,11 +6857,11 @@ namespace Catch {
     namespace Benchmark {
         namespace Detail {
             template <typename Clock, typename Fun>
-            TimingOf<Clock, Fun(int)> measure_one(Fun&& fun, int iters, std::false_type) {
+            TimingOf<Clock, Fun, int> measure_one(Fun&& fun, int iters, std::false_type) {
                 return Detail::measure<Clock>(fun, iters);
             }
             template <typename Clock, typename Fun>
-            TimingOf<Clock, Fun(Chronometer)> measure_one(Fun&& fun, int iters, std::true_type) {
+            TimingOf<Clock, Fun, Chronometer> measure_one(Fun&& fun, int iters, std::true_type) {
                 Detail::ChronometerModel<Clock> meter;
                 auto&& result = Detail::complete_invoke(fun, Chronometer(meter, iters));
 
@@ -6816,7 +6878,7 @@ namespace Catch {
             };
 
             template <typename Clock, typename Fun>
-            TimingOf<Clock, Fun(run_for_at_least_argument_t<Clock, Fun>)> run_for_at_least(ClockDuration<Clock> how_long, int seed, Fun&& fun) {
+            TimingOf<Clock, Fun, run_for_at_least_argument_t<Clock, Fun>> run_for_at_least(ClockDuration<Clock> how_long, int seed, Fun&& fun) {
                 auto iters = seed;
                 while (iters < (1 << 30)) {
                     auto&& Timing = measure_one<Clock>(fun, iters, is_callable<Fun(Chronometer)>());
@@ -6884,11 +6946,13 @@ namespace Catch {
 #include <algorithm>
 #include <functional>
 #include <vector>
+#include <iterator>
 #include <numeric>
 #include <tuple>
 #include <cmath>
 #include <utility>
 #include <cstddef>
+#include <random>
 
 namespace Catch {
     namespace Benchmark {
@@ -7238,10 +7302,10 @@ namespace Catch {
             template <typename Clock>
             ExecutionPlan<FloatDuration<Clock>> prepare(const IConfig &cfg, Environment<FloatDuration<Clock>> env) const {
                 auto min_time = env.clock_resolution.mean * Detail::minimum_ticks;
-                auto run_time = std::max(min_time, std::chrono::duration_cast<decltype(min_time)>(Detail::warmup_time));
+                auto run_time = std::max(min_time, std::chrono::duration_cast<decltype(min_time)>(cfg.benchmarkWarmupTime()));
                 auto&& test = Detail::run_for_at_least<Clock>(std::chrono::duration_cast<ClockDuration<Clock>>(run_time), 1, fun);
                 int new_iters = static_cast<int>(std::ceil(min_time * test.iterations / test.elapsed));
-                return { new_iters, test.elapsed / test.iterations * new_iters * cfg.benchmarkSamples(), fun, std::chrono::duration_cast<FloatDuration<Clock>>(Detail::warmup_time), Detail::warmup_iterations };
+                return { new_iters, test.elapsed / test.iterations * new_iters * cfg.benchmarkSamples(), fun, std::chrono::duration_cast<FloatDuration<Clock>>(cfg.benchmarkWarmupTime()), Detail::warmup_iterations };
             }
 
             template <typename Clock = default_clock>
@@ -7412,23 +7476,37 @@ namespace TestCaseTracking {
         SourceLineInfo location;
 
         NameAndLocation( std::string const& _name, SourceLineInfo const& _location );
+        friend bool operator==(NameAndLocation const& lhs, NameAndLocation const& rhs) {
+            return lhs.name == rhs.name
+                && lhs.location == rhs.location;
+        }
     };
 
-    struct ITracker;
+    class ITracker;
 
     using ITrackerPtr = std::shared_ptr<ITracker>;
 
-    struct ITracker {
-        virtual ~ITracker();
+    class  ITracker {
+        NameAndLocation m_nameAndLocation;
+
+    public:
+        ITracker(NameAndLocation const& nameAndLoc) :
+            m_nameAndLocation(nameAndLoc)
+        {}
 
         // static queries
-        virtual NameAndLocation const& nameAndLocation() const = 0;
+        NameAndLocation const& nameAndLocation() const {
+            return m_nameAndLocation;
+        }
+
+        virtual ~ITracker();
 
         // dynamic queries
         virtual bool isComplete() const = 0; // Successfully completed or failed
         virtual bool isSuccessfullyCompleted() const = 0;
         virtual bool isOpen() const = 0; // Started but not complete
         virtual bool hasChildren() const = 0;
+        virtual bool hasStarted() const = 0;
 
         virtual ITracker& parent() = 0;
 
@@ -7483,7 +7561,6 @@ namespace TestCaseTracking {
         };
 
         using Children = std::vector<ITrackerPtr>;
-        NameAndLocation m_nameAndLocation;
         TrackerContext& m_ctx;
         ITracker* m_parent;
         Children m_children;
@@ -7492,11 +7569,13 @@ namespace TestCaseTracking {
     public:
         TrackerBase( NameAndLocation const& nameAndLocation, TrackerContext& ctx, ITracker* parent );
 
-        NameAndLocation const& nameAndLocation() const override;
         bool isComplete() const override;
         bool isSuccessfullyCompleted() const override;
         bool isOpen() const override;
         bool hasChildren() const override;
+        bool hasStarted() const override {
+            return m_runState != NotStarted;
+        }
 
         void addChild( ITrackerPtr const& child ) override;
 
@@ -7859,7 +7938,11 @@ namespace Catch {
 
 #ifdef CATCH_PLATFORM_MAC
 
-    #define CATCH_TRAP() __asm__("int $3\n" : : ) /* NOLINT */
+    #if defined(__i386__) || defined(__x86_64__)
+        #define CATCH_TRAP() __asm__("int $3\n" : : ) /* NOLINT */
+    #elif defined(__aarch64__)
+        #define CATCH_TRAP()  __asm__(".inst 0xd4200000")
+    #endif
 
 #elif defined(CATCH_PLATFORM_IPHONE)
 
@@ -7868,8 +7951,10 @@ namespace Catch {
         #define CATCH_TRAP()  __asm__("int $3")
     #elif defined(__aarch64__)
         #define CATCH_TRAP()  __asm__(".inst 0xd4200000")
-    #elif defined(__arm__)
+    #elif defined(__arm__) && !defined(__thumb__)
         #define CATCH_TRAP()  __asm__(".inst 0xe7f001f0")
+    #elif defined(__arm__) &&  defined(__thumb__)
+        #define CATCH_TRAP()  __asm__(".inst 0xde01")
     #endif
 
 #elif defined(CATCH_PLATFORM_LINUX)
@@ -7890,10 +7975,12 @@ namespace Catch {
     #define CATCH_TRAP() DebugBreak()
 #endif
 
-#ifdef CATCH_TRAP
-    #define CATCH_BREAK_INTO_DEBUGGER() []{ if( Catch::isDebuggerActive() ) { CATCH_TRAP(); } }()
-#else
-    #define CATCH_BREAK_INTO_DEBUGGER() []{}()
+#ifndef CATCH_BREAK_INTO_DEBUGGER
+    #ifdef CATCH_TRAP
+        #define CATCH_BREAK_INTO_DEBUGGER() []{ if( Catch::isDebuggerActive() ) { CATCH_TRAP(); } }()
+    #else
+        #define CATCH_BREAK_INTO_DEBUGGER() []{}()
+    #endif
 #endif
 
 // end catch_debugger.h
@@ -8040,7 +8127,7 @@ namespace Catch {
         void sectionEnded( SectionEndInfo const& endInfo ) override;
         void sectionEndedEarly( SectionEndInfo const& endInfo ) override;
 
-        auto acquireGeneratorTracker( SourceLineInfo const& lineInfo ) -> IGeneratorTracker& override;
+        auto acquireGeneratorTracker( StringRef generatorName, SourceLineInfo const& lineInfo ) -> IGeneratorTracker& override;
 
 #if defined(CATCH_CONFIG_ENABLE_BENCHMARKING)
         void benchmarkPreparing( std::string const& name ) override;
@@ -9016,7 +9103,7 @@ namespace detail {
     }
     inline auto convertInto( std::string const &source, bool &target ) -> ParserResult {
         std::string srcLC = source;
-        std::transform( srcLC.begin(), srcLC.end(), srcLC.begin(), []( char c ) { return static_cast<char>( std::tolower(c) ); } );
+        std::transform( srcLC.begin(), srcLC.end(), srcLC.begin(), []( unsigned char c ) { return static_cast<char>( std::tolower(c) ); } );
         if (srcLC == "y" || srcLC == "1" || srcLC == "true" || srcLC == "yes" || srcLC == "on")
             target = true;
         else if (srcLC == "n" || srcLC == "0" || srcLC == "false" || srcLC == "no" || srcLC == "off")
@@ -9665,8 +9752,7 @@ namespace Catch {
                         if( !startsWith( line, '"' ) )
                             line = '"' + line + '"';
                         config.testsOrTags.push_back( line );
-                        config.testsOrTags.push_back( "," );
-
+                        config.testsOrTags.emplace_back( "," );
                     }
                 }
                 //Remove comma in the end
@@ -9707,14 +9793,16 @@ namespace Catch {
             };
         auto const setWaitForKeypress = [&]( std::string const& keypress ) {
                 auto keypressLc = toLower( keypress );
-                if( keypressLc == "start" )
+                if (keypressLc == "never")
+                    config.waitForKeypress = WaitForKeypress::Never;
+                else if( keypressLc == "start" )
                     config.waitForKeypress = WaitForKeypress::BeforeStart;
                 else if( keypressLc == "exit" )
                     config.waitForKeypress = WaitForKeypress::BeforeExit;
                 else if( keypressLc == "both" )
                     config.waitForKeypress = WaitForKeypress::BeforeStartAndExit;
                 else
-                    return ParserResult::runtimeError( "keypress argument must be one of: start, exit or both. '" + keypress + "' not recognised" );
+                    return ParserResult::runtimeError( "keypress argument must be one of: never, start, exit or both. '" + keypress + "' not recognised" );
             return ParserResult::ok( ParseResultType::Matched );
             };
         auto const setVerbosity = [&]( std::string const& verbosity ) {
@@ -9784,6 +9872,9 @@ namespace Catch {
             | Opt( [&]( bool flag ) { config.showDurations = flag ? ShowDurations::Always : ShowDurations::Never; }, "yes|no" )
                 ["-d"]["--durations"]
                 ( "show test durations" )
+            | Opt( config.minDuration, "seconds" )
+                ["-D"]["--min-duration"]
+                ( "show test durations for tests taking at least the given number of seconds" )
             | Opt( loadTestNamesFromFile, "filename" )
                 ["-f"]["--input-file"]
                 ( "load test names to run from a file" )
@@ -9814,7 +9905,7 @@ namespace Catch {
             | Opt( config.libIdentify )
                 ["--libidentify"]
                 ( "report name and version according to libidentify standard" )
-            | Opt( setWaitForKeypress, "start|exit|both" )
+            | Opt( setWaitForKeypress, "never|start|exit|both" )
                 ["--wait-for-keypress"]
                 ( "waits for a keypress before exiting" )
             | Opt( config.benchmarkSamples, "samples" )
@@ -9829,7 +9920,10 @@ namespace Catch {
             | Opt( config.benchmarkNoAnalysis )
                 ["--benchmark-no-analysis"]
                 ( "perform only measurements; do not perform any analysis" )
-			| Arg( config.testsOrTags, "test name|pattern|tags" )
+            | Opt( config.benchmarkWarmupTime, "benchmarkWarmupTime" )
+                ["--benchmark-warmup-time"]
+                ( "amount of time in milliseconds spent on warming up each test (default: 100)" )
+            | Arg( config.testsOrTags, "test name|pattern|tags" )
                 ( "which test or tests to use" );
 
         return cli;
@@ -9928,6 +10022,7 @@ namespace Catch {
     bool Config::warnAboutMissingAssertions() const    { return !!(m_data.warnings & WarnAbout::NoAssertions); }
     bool Config::warnAboutNoTests() const              { return !!(m_data.warnings & WarnAbout::NoTests); }
     ShowDurations::OrNot Config::showDurations() const { return m_data.showDurations; }
+    double Config::minDuration() const                 { return m_data.minDuration; }
     RunTests::InWhatOrder Config::runOrder() const     { return m_data.runOrder; }
     unsigned int Config::rngSeed() const               { return m_data.rngSeed; }
     UseColour::YesOrNo Config::useColour() const       { return m_data.useColour; }
@@ -9936,10 +10031,11 @@ namespace Catch {
     bool Config::showInvisibles() const                { return m_data.showInvisibles; }
     Verbosity Config::verbosity() const                { return m_data.verbosity; }
 
-    bool Config::benchmarkNoAnalysis() const           { return m_data.benchmarkNoAnalysis; }
-    int Config::benchmarkSamples() const               { return m_data.benchmarkSamples; }
-    double Config::benchmarkConfidenceInterval() const { return m_data.benchmarkConfidenceInterval; }
-    unsigned int Config::benchmarkResamples() const    { return m_data.benchmarkResamples; }
+    bool Config::benchmarkNoAnalysis() const                      { return m_data.benchmarkNoAnalysis; }
+    int Config::benchmarkSamples() const                          { return m_data.benchmarkSamples; }
+    double Config::benchmarkConfidenceInterval() const            { return m_data.benchmarkConfidenceInterval; }
+    unsigned int Config::benchmarkResamples() const               { return m_data.benchmarkResamples; }
+    std::chrono::milliseconds Config::benchmarkWarmupTime() const { return std::chrono::milliseconds(m_data.benchmarkWarmupTime); }
 
     IStream const* Config::openStream() {
         return Catch::makeStream(m_data.outputFilename);
@@ -9980,7 +10076,7 @@ namespace Catch {
         };
 
         struct NoColourImpl : IColourImpl {
-            void use( Colour::Code ) {}
+            void use( Colour::Code ) override {}
 
             static IColourImpl* instance() {
                 static NoColourImpl s_instance;
@@ -10153,13 +10249,13 @@ namespace Catch {
 namespace Catch {
 
     Colour::Colour( Code _colourCode ) { use( _colourCode ); }
-    Colour::Colour( Colour&& rhs ) noexcept {
-        m_moved = rhs.m_moved;
-        rhs.m_moved = true;
+    Colour::Colour( Colour&& other ) noexcept {
+        m_moved = other.m_moved;
+        other.m_moved = true;
     }
-    Colour& Colour::operator=( Colour&& rhs ) noexcept {
-        m_moved = rhs.m_moved;
-        rhs.m_moved  = true;
+    Colour& Colour::operator=( Colour&& other ) noexcept {
+        m_moved = other.m_moved;
+        other.m_moved  = true;
         return *this;
     }
 
@@ -10171,7 +10267,7 @@ namespace Catch {
         // However, under some conditions it does happen (see #1626),
         // and this change is small enough that we can let practicality
         // triumph over purity in this case.
-        if (impl != NULL) {
+        if (impl != nullptr) {
             impl->use( _colourCode );
         }
     }
@@ -10291,8 +10387,7 @@ namespace Catch {
 
 #if defined(CATCH_PLATFORM_MAC) || defined(CATCH_PLATFORM_IPHONE)
 
-#  include <assert.h>
-#  include <stdbool.h>
+#  include <cassert>
 #  include <sys/types.h>
 #  include <unistd.h>
 #  include <cstddef>
@@ -10524,7 +10619,7 @@ namespace Catch {
             assert( valueNames.size() == values.size() );
             std::size_t i = 0;
             for( auto value : values )
-                enumInfo->m_values.push_back({ value, valueNames[i++] });
+                enumInfo->m_values.emplace_back(value, valueNames[i++]);
 
             return enumInfo;
         }
@@ -10824,8 +10919,8 @@ namespace Generators {
 
     GeneratorUntypedBase::~GeneratorUntypedBase() {}
 
-    auto acquireGeneratorTracker( SourceLineInfo const& lineInfo ) -> IGeneratorTracker& {
-        return getResultCapture().acquireGeneratorTracker( lineInfo );
+    auto acquireGeneratorTracker( StringRef generatorName, SourceLineInfo const& lineInfo ) -> IGeneratorTracker& {
+        return getResultCapture().acquireGeneratorTracker( generatorName, lineInfo );
     }
 
 } // namespace Generators
@@ -11100,7 +11195,7 @@ namespace Catch {
 namespace Catch {
 
     std::size_t listTests( Config const& config ) {
-        TestSpec testSpec = config.testSpec();
+        TestSpec const& testSpec = config.testSpec();
         if( config.hasTestFilters() )
             Catch::cout() << "Matching test cases:\n";
         else {
@@ -11134,7 +11229,7 @@ namespace Catch {
     }
 
     std::size_t listTestsNamesOnly( Config const& config ) {
-        TestSpec testSpec = config.testSpec();
+        TestSpec const& testSpec = config.testSpec();
         std::size_t matchedTests = 0;
         std::vector<TestCase> matchedTestCases = filterTests( getAllTestCasesSorted( config ), testSpec, config );
         for( auto const& testCaseInfo : matchedTestCases ) {
@@ -11172,7 +11267,7 @@ namespace Catch {
     }
 
     std::size_t listTags( Config const& config ) {
-        TestSpec testSpec = config.testSpec();
+        TestSpec const& testSpec = config.testSpec();
         if( config.hasTestFilters() )
             Catch::cout() << "Tags for matching test cases:\n";
         else {
@@ -11364,16 +11459,8 @@ namespace {
         return static_cast<uint64_t>(ulpDiff) <= maxUlpDiff;
     }
 
-} //end anonymous namespace
-
 #if defined(CATCH_CONFIG_GLOBAL_NEXTAFTER)
 
-#if defined(__clang__)
-#pragma clang diagnostic push
-// The long double overload is currently unused
-#pragma clang diagnostic ignored "-Wunused-function"
-#endif
-
     float nextafter(float x, float y) {
         return ::nextafterf(x, y);
     }
@@ -11382,18 +11469,8 @@ namespace {
         return ::nextafter(x, y);
     }
 
-    long double nextafter(long double x, long double y) {
-        return ::nextafterl(x, y);
-    }
-
-#if defined(__clang__)
-#pragma clang diagnostic pop
-#endif
-
 #endif // ^^^ CATCH_CONFIG_GLOBAL_NEXTAFTER ^^^
 
-namespace {
-
 template <typename FP>
 FP step(FP start, FP direction, uint64_t steps) {
     for (uint64_t i = 0; i < steps; ++i) {
@@ -11730,10 +11807,10 @@ namespace Catch {
 
     Capturer::Capturer( StringRef macroName, SourceLineInfo const& lineInfo, ResultWas::OfType resultType, StringRef names ) {
         auto trimmed = [&] (size_t start, size_t end) {
-            while (names[start] == ',' || isspace(names[start])) {
+            while (names[start] == ',' || isspace(static_cast<unsigned char>(names[start]))) {
                 ++start;
             }
-            while (names[end] == ',' || isspace(names[end])) {
+            while (names[end] == ',' || isspace(static_cast<unsigned char>(names[end]))) {
                 --end;
             }
             return names.substr(start, end - start + 1);
@@ -11772,7 +11849,7 @@ namespace Catch {
                 pos = skipq(pos, c);
                 break;
             case ',':
-                if (start != pos && openings.size() == 0) {
+                if (start != pos && openings.empty()) {
                     m_messages.emplace_back(macroName, lineInfo, resultType);
                     m_messages.back().message = static_cast<std::string>(trimmed(start, pos));
                     m_messages.back().message += " := ";
@@ -11780,7 +11857,7 @@ namespace Catch {
                 }
             }
         }
-        assert(openings.size() == 0 && "Mismatched openings");
+        assert(openings.empty() && "Mismatched openings");
         m_messages.emplace_back(macroName, lineInfo, resultType);
         m_messages.back().message = static_cast<std::string>(trimmed(start, names.size() - 1));
         m_messages.back().message += " := ";
@@ -12263,11 +12340,13 @@ namespace Catch {
 namespace Catch {
 
     class StartupExceptionRegistry {
+#if !defined(CATCH_CONFIG_DISABLE_EXCEPTIONS)
     public:
         void add(std::exception_ptr const& exception) noexcept;
         std::vector<std::exception_ptr> const& getExceptions() const noexcept;
     private:
         std::vector<std::exception_ptr> m_exceptions;
+#endif
     };
 
 } // end namespace Catch
@@ -12350,7 +12429,11 @@ namespace Catch {
                 m_tagAliasRegistry.add( alias, tag, lineInfo );
             }
             void registerStartupException() noexcept override {
+#if !defined(CATCH_CONFIG_DISABLE_EXCEPTIONS)
                 m_exceptionRegistry.add(std::current_exception());
+#else
+                CATCH_INTERNAL_ERROR("Attempted to register active exception under CATCH_CONFIG_DISABLE_EXCEPTIONS!");
+#endif
             }
             IMutableEnumValuesRegistry& getMutableEnumValuesRegistry() override {
                 return m_enumValuesRegistry;
@@ -12454,17 +12537,32 @@ namespace Catch {
                 std::shared_ptr<GeneratorTracker> tracker;
 
                 ITracker& currentTracker = ctx.currentTracker();
-                if( TestCaseTracking::ITrackerPtr childTracker = currentTracker.findChild( nameAndLocation ) ) {
+                // Under specific circumstances, the generator we want
+                // to acquire is also the current tracker. If this is
+                // the case, we have to avoid looking through current
+                // tracker's children, and instead return the current
+                // tracker.
+                // A case where this check is important is e.g.
+                //     for (int i = 0; i < 5; ++i) {
+                //         int n = GENERATE(1, 2);
+                //     }
+                //
+                // without it, the code above creates 5 nested generators.
+                if (currentTracker.nameAndLocation() == nameAndLocation) {
+                    auto thisTracker = currentTracker.parent().findChild(nameAndLocation);
+                    assert(thisTracker);
+                    assert(thisTracker->isGeneratorTracker());
+                    tracker = std::static_pointer_cast<GeneratorTracker>(thisTracker);
+                } else if ( TestCaseTracking::ITrackerPtr childTracker = currentTracker.findChild( nameAndLocation ) ) {
                     assert( childTracker );
                     assert( childTracker->isGeneratorTracker() );
                     tracker = std::static_pointer_cast<GeneratorTracker>( childTracker );
-                }
-                else {
+                } else {
                     tracker = std::make_shared<GeneratorTracker>( nameAndLocation, ctx, &currentTracker );
                     currentTracker.addChild( tracker );
                 }
 
-                if( !ctx.completedCycle() && !tracker->isComplete() ) {
+                if( !tracker->isComplete() ) {
                     tracker->open();
                 }
 
@@ -12478,8 +12576,28 @@ namespace Catch {
             }
             void close() override {
                 TrackerBase::close();
-                // Generator interface only finds out if it has another item on atual move
-                if (m_runState == CompletedSuccessfully && m_generator->next()) {
+                // If a generator has a child (it is followed by a section)
+                // and none of its children have started, then we must wait
+                // until later to start consuming its values.
+                // This catches cases where `GENERATE` is placed between two
+                // `SECTION`s.
+                // **The check for m_children.empty cannot be removed**.
+                // doing so would break `GENERATE` _not_ followed by `SECTION`s.
+                const bool should_wait_for_child =
+                    !m_children.empty() &&
+                    std::find_if( m_children.begin(),
+                                  m_children.end(),
+                                  []( TestCaseTracking::ITrackerPtr tracker ) {
+                                      return tracker->hasStarted();
+                                  } ) == m_children.end();
+
+                // This check is a bit tricky, because m_generator->next()
+                // has a side-effect, where it consumes generator's current
+                // value, but we do not want to invoke the side-effect if
+                // this generator is still waiting for any child to start.
+                if ( should_wait_for_child ||
+                     ( m_runState == CompletedSuccessfully &&
+                       m_generator->next() ) ) {
                     m_children.clear();
                     m_runState = Executing;
                 }
@@ -12615,10 +12733,10 @@ namespace Catch {
 
         return true;
     }
-    auto RunContext::acquireGeneratorTracker( SourceLineInfo const& lineInfo ) -> IGeneratorTracker& {
+    auto RunContext::acquireGeneratorTracker( StringRef generatorName, SourceLineInfo const& lineInfo ) -> IGeneratorTracker& {
         using namespace Generators;
-        GeneratorTracker& tracker = GeneratorTracker::acquire( m_trackerContext, TestCaseTracking::NameAndLocation( "generator", lineInfo ) );
-        assert( tracker.isOpen() );
+        GeneratorTracker& tracker = GeneratorTracker::acquire(m_trackerContext,
+                                                              TestCaseTracking::NameAndLocation( static_cast<std::string>(generatorName), lineInfo ) );
         m_lastAssertionInfo.lineInfo = lineInfo;
         return tracker;
     }
@@ -12661,17 +12779,17 @@ namespace Catch {
 
 #if defined(CATCH_CONFIG_ENABLE_BENCHMARKING)
     void RunContext::benchmarkPreparing(std::string const& name) {
-		m_reporter->benchmarkPreparing(name);
-	}
+        m_reporter->benchmarkPreparing(name);
+    }
     void RunContext::benchmarkStarting( BenchmarkInfo const& info ) {
         m_reporter->benchmarkStarting( info );
     }
     void RunContext::benchmarkEnded( BenchmarkStats<> const& stats ) {
         m_reporter->benchmarkEnded( stats );
     }
-	void RunContext::benchmarkFailed(std::string const & error) {
-		m_reporter->benchmarkFailed(error);
-	}
+    void RunContext::benchmarkFailed(std::string const & error) {
+        m_reporter->benchmarkFailed(error);
+    }
 #endif // CATCH_CONFIG_ENABLE_BENCHMARKING
 
     void RunContext::pushScopedMessage(MessageInfo const & message) {
@@ -13268,11 +13386,11 @@ namespace Catch {
         char **utf8Argv = new char *[ argc ];
 
         for ( int i = 0; i < argc; ++i ) {
-            int bufSize = WideCharToMultiByte( CP_UTF8, 0, argv[i], -1, NULL, 0, NULL, NULL );
+            int bufSize = WideCharToMultiByte( CP_UTF8, 0, argv[i], -1, nullptr, 0, nullptr, nullptr );
 
             utf8Argv[ i ] = new char[ bufSize ];
 
-            WideCharToMultiByte( CP_UTF8, 0, argv[i], -1, utf8Argv[i], bufSize, NULL, NULL );
+            WideCharToMultiByte( CP_UTF8, 0, argv[i], -1, utf8Argv[i], bufSize, nullptr, nullptr );
         }
 
         int returnCode = applyCommandLine( argc, utf8Argv );
@@ -13392,6 +13510,7 @@ namespace Catch {
 // end catch_singletons.cpp
 // start catch_startup_exception_registry.cpp
 
+#if !defined(CATCH_CONFIG_DISABLE_EXCEPTIONS)
 namespace Catch {
 void StartupExceptionRegistry::add( std::exception_ptr const& exception ) noexcept {
         CATCH_TRY {
@@ -13407,6 +13526,7 @@ void StartupExceptionRegistry::add( std::exception_ptr const& exception ) noexce
     }
 
 } // end namespace Catch
+#endif
 // end catch_startup_exception_registry.cpp
 // start catch_stream.cpp
 
@@ -13591,7 +13711,7 @@ namespace Catch {
 
     namespace {
         char toLowerCh(char c) {
-            return static_cast<char>( std::tolower( c ) );
+            return static_cast<char>( std::tolower( static_cast<unsigned char>(c) ) );
         }
     }
 
@@ -13871,7 +13991,8 @@ namespace Catch {
             }
         }
         if( isHidden ) {
-            tags.push_back( "." );
+            // Add all "hidden" tags to make them behave identically
+            tags.insert( tags.end(), { ".", "!hide" } );
         }
 
         TestCaseInfo info( static_cast<std::string>(nameAndTags.name), _className, desc, tags, _lineInfo );
@@ -13966,27 +14087,77 @@ namespace Catch {
 // end catch_test_case_info.cpp
 // start catch_test_case_registry_impl.cpp
 
+#include <algorithm>
 #include <sstream>
 
 namespace Catch {
 
+    namespace {
+        struct TestHasher {
+            explicit TestHasher(Catch::SimplePcg32& rng) {
+                basis = rng();
+                basis <<= 32;
+                basis |= rng();
+            }
+
+            uint64_t basis;
+
+            uint64_t operator()(TestCase const& t) const {
+                // Modified FNV-1a hash
+                static constexpr uint64_t prime = 1099511628211;
+                uint64_t hash = basis;
+                for (const char c : t.name) {
+                    hash ^= c;
+                    hash *= prime;
+                }
+                return hash;
+            }
+        };
+    } // end unnamed namespace
+
     std::vector<TestCase> sortTests( IConfig const& config, std::vector<TestCase> const& unsortedTestCases ) {
-
-        std::vector<TestCase> sorted = unsortedTestCases;
-
         switch( config.runOrder() ) {
-            case RunTests::InLexicographicalOrder:
-                std::sort( sorted.begin(), sorted.end() );
-                break;
-            case RunTests::InRandomOrder:
-                seedRng( config );
-                std::shuffle( sorted.begin(), sorted.end(), rng() );
-                break;
             case RunTests::InDeclarationOrder:
                 // already in declaration order
                 break;
+
+            case RunTests::InLexicographicalOrder: {
+                std::vector<TestCase> sorted = unsortedTestCases;
+                std::sort( sorted.begin(), sorted.end() );
+                return sorted;
+            }
+
+            case RunTests::InRandomOrder: {
+                seedRng( config );
+                TestHasher h( rng() );
+
+                using hashedTest = std::pair<uint64_t, TestCase const*>;
+                std::vector<hashedTest> indexed_tests;
+                indexed_tests.reserve( unsortedTestCases.size() );
+
+                for (auto const& testCase : unsortedTestCases) {
+                    indexed_tests.emplace_back(h(testCase), &testCase);
+                }
+
+                std::sort(indexed_tests.begin(), indexed_tests.end(),
+                          [](hashedTest const& lhs, hashedTest const& rhs) {
+                          if (lhs.first == rhs.first) {
+                              return lhs.second->name < rhs.second->name;
+                          }
+                          return lhs.first < rhs.first;
+                });
+
+                std::vector<TestCase> sorted;
+                sorted.reserve( indexed_tests.size() );
+
+                for (auto const& hashed : indexed_tests) {
+                    sorted.emplace_back(*hashed.second);
+                }
+
+                return sorted;
+            }
         }
-        return sorted;
+        return unsortedTestCases;
     }
 
     bool isThrowSafe( TestCase const& testCase, IConfig const& config ) {
@@ -14123,15 +14294,12 @@ namespace TestCaseTracking {
         m_currentTracker = tracker;
     }
 
-    TrackerBase::TrackerBase( NameAndLocation const& nameAndLocation, TrackerContext& ctx, ITracker* parent )
-    :   m_nameAndLocation( nameAndLocation ),
+    TrackerBase::TrackerBase( NameAndLocation const& nameAndLocation, TrackerContext& ctx, ITracker* parent ):
+        ITracker(nameAndLocation),
         m_ctx( ctx ),
         m_parent( parent )
     {}
 
-    NameAndLocation const& TrackerBase::nameAndLocation() const {
-        return m_nameAndLocation;
-    }
     bool TrackerBase::isComplete() const {
         return m_runState == CompletedSuccessfully || m_runState == Failed;
     }
@@ -14247,7 +14415,8 @@ namespace TestCaseTracking {
     bool SectionTracker::isComplete() const {
         bool complete = true;
 
-        if ((m_filters.empty() || m_filters[0] == "")
+        if (m_filters.empty()
+            || m_filters[0] == ""
             || std::find(m_filters.begin(), m_filters.end(), m_trimmed_name) != m_filters.end()) {
             complete = TrackerBase::isComplete();
         }
@@ -14282,8 +14451,8 @@ namespace TestCaseTracking {
     void SectionTracker::addInitialFilters( std::vector<std::string> const& filters ) {
         if( !filters.empty() ) {
             m_filters.reserve( m_filters.size() + filters.size() + 2 );
-            m_filters.push_back(""); // Root - should never be consulted
-            m_filters.push_back(""); // Test Case - not a section filter
+            m_filters.emplace_back(""); // Root - should never be consulted
+            m_filters.emplace_back(""); // Test Case - not a section filter
             m_filters.insert( m_filters.end(), filters.begin(), filters.end() );
         }
     }
@@ -14580,6 +14749,7 @@ namespace Catch {
          m_pos = m_arg.size();
          m_substring.clear();
          m_patternName.clear();
+         m_realPatternPos = 0;
          return false;
       }
       endMode();
@@ -14598,6 +14768,7 @@ namespace Catch {
         }
 
         m_patternName.clear();
+        m_realPatternPos = 0;
 
         return token;
     }
@@ -15028,7 +15199,9 @@ namespace Catch {
 
 namespace Catch {
     bool uncaught_exceptions() {
-#if defined(CATCH_CONFIG_CPP17_UNCAUGHT_EXCEPTIONS)
+#if defined(CATCH_CONFIG_DISABLE_EXCEPTIONS)
+        return false;
+#elif defined(CATCH_CONFIG_CPP17_UNCAUGHT_EXCEPTIONS)
         return std::uncaught_exceptions() > 0;
 #else
         return std::uncaught_exception();
@@ -15068,7 +15241,7 @@ namespace Catch {
     }
 
     Version const& libraryVersion() {
-        static Version version( 2, 11, 1, "", 0 );
+        static Version version( 2, 13, 1, "", 0 );
         return version;
     }
 
@@ -15118,8 +15291,6 @@ namespace Catch {
 #include <iomanip>
 #include <type_traits>
 
-using uchar = unsigned char;
-
 namespace Catch {
 
 namespace {
@@ -15192,7 +15363,7 @@ namespace {
         // (see: http://www.w3.org/TR/xml/#syntax)
 
         for( std::size_t idx = 0; idx < m_str.size(); ++ idx ) {
-            uchar c = m_str[idx];
+            unsigned char c = m_str[idx];
             switch (c) {
             case '<':   os << "&lt;"; break;
             case '&':   os << "&amp;"; break;
@@ -15252,7 +15423,7 @@ namespace {
                 bool valid = true;
                 uint32_t value = headerValue(c);
                 for (std::size_t n = 1; n < encBytes; ++n) {
-                    uchar nc = m_str[idx + n];
+                    unsigned char nc = m_str[idx + n];
                     valid &= ((nc & 0xC0) == 0x80);
                     value = (value << 6) | (nc & 0x3F);
                 }
@@ -15472,6 +15643,17 @@ namespace Catch {
         return std::string(buffer);
     }
 
+    bool shouldShowDuration( IConfig const& config, double duration ) {
+        if ( config.showDurations() == ShowDurations::Always ) {
+            return true;
+        }
+        if ( config.showDurations() == ShowDurations::Never ) {
+            return false;
+        }
+        const double min = config.minDuration();
+        return min >= 0 && duration >= min;
+    }
+
     std::string serializeFilters( std::vector<std::string> const& container ) {
         ReusableStringStream oss;
         bool first = true;
@@ -15738,10 +15920,6 @@ private:
             return "Reports test results on a single line, suitable for IDEs";
         }
 
-        ReporterPreferences CompactReporter::getPreferences() const {
-            return m_reporterPrefs;
-        }
-
         void CompactReporter::noMatchingTestCases( std::string const& spec ) {
             stream << "No test cases matched '" << spec << '\'' << std::endl;
         }
@@ -15768,8 +15946,9 @@ private:
         }
 
         void CompactReporter::sectionEnded(SectionStats const& _sectionStats) {
-            if (m_config->showDurations() == ShowDurations::Always) {
-                stream << getFormattedDuration(_sectionStats.durationInSeconds) << " s: " << _sectionStats.sectionInfo.name << std::endl;
+            double dur = _sectionStats.durationInSeconds;
+            if ( shouldShowDuration( *m_config, dur ) ) {
+                stream << getFormattedDuration( dur ) << " s: " << _sectionStats.sectionInfo.name << std::endl;
             }
         }
 
@@ -15981,15 +16160,11 @@ class Duration {
     static const uint64_t s_nanosecondsInASecond = 1000 * s_nanosecondsInAMillisecond;
     static const uint64_t s_nanosecondsInAMinute = 60 * s_nanosecondsInASecond;
 
-    uint64_t m_inNanoseconds;
+    double m_inNanoseconds;
     Unit m_units;
 
 public:
-	explicit Duration(double inNanoseconds, Unit units = Unit::Auto)
-        : Duration(static_cast<uint64_t>(inNanoseconds), units) {
-    }
-
-    explicit Duration(uint64_t inNanoseconds, Unit units = Unit::Auto)
+    explicit Duration(double inNanoseconds, Unit units = Unit::Auto)
         : m_inNanoseconds(inNanoseconds),
         m_units(units) {
         if (m_units == Unit::Auto) {
@@ -16018,7 +16193,7 @@ public:
         case Unit::Minutes:
             return m_inNanoseconds / static_cast<double>(s_nanosecondsInAMinute);
         default:
-            return static_cast<double>(m_inNanoseconds);
+            return m_inNanoseconds;
         }
     }
     auto unitsAsString() const -> std::string {
@@ -16137,7 +16312,7 @@ ConsoleReporter::ConsoleReporter(ReporterConfig const& config)
         else
         {
             return{
-                { "benchmark name", CATCH_CONFIG_CONSOLE_WIDTH - 32, ColumnInfo::Left },
+                { "benchmark name", CATCH_CONFIG_CONSOLE_WIDTH - 43, ColumnInfo::Left },
                 { "samples      mean       std dev", 14, ColumnInfo::Right },
                 { "iterations   low mean   low std dev", 14, ColumnInfo::Right },
                 { "estimated    high mean  high std dev", 14, ColumnInfo::Right }
@@ -16193,8 +16368,9 @@ void ConsoleReporter::sectionEnded(SectionStats const& _sectionStats) {
             stream << "\nNo assertions in test case";
         stream << " '" << _sectionStats.sectionInfo.name << "'\n" << std::endl;
     }
-    if (m_config->showDurations() == ShowDurations::Always) {
-        stream << getFormattedDuration(_sectionStats.durationInSeconds) << " s: " << _sectionStats.sectionInfo.name << std::endl;
+    double dur = _sectionStats.durationInSeconds;
+    if (shouldShowDuration(*m_config, dur)) {
+        stream << getFormattedDuration(dur) << " s: " << _sectionStats.sectionInfo.name << std::endl;
     }
     if (m_headerPrinted) {
         m_headerPrinted = false;
@@ -16454,8 +16630,10 @@ void ConsoleReporter::printSummaryDivider() {
 }
 
 void ConsoleReporter::printTestFilters() {
-    if (m_config->testSpec().hasFilters())
-        stream << Colour(Colour::BrightYellow) << "Filters: " << serializeFilters( m_config->getTestsOrTags() ) << '\n';
+    if (m_config->testSpec().hasFilters()) {
+        Colour guard(Colour::BrightYellow);
+        stream << "Filters: " << serializeFilters(m_config->getTestsOrTags()) << '\n';
+    }
 }
 
 CATCH_REGISTER_REPORTER("console", ConsoleReporter)
@@ -16651,6 +16829,11 @@ namespace Catch {
                 xml.writeAttribute( "name", name );
             }
             xml.writeAttribute( "time", ::Catch::Detail::stringify( sectionNode.stats.durationInSeconds ) );
+            // This is not ideal, but it should be enough to mimic gtest's
+            // junit output.
+            // Ideally the JUnit reporter would also handle `skipTest`
+            // events and write those out appropriately.
+            xml.writeAttribute( "status", "run" );
 
             writeAssertions( sectionNode );
 
@@ -16681,11 +16864,7 @@ namespace Catch {
                     elementName = "error";
                     break;
                 case ResultWas::ExplicitFailure:
-                    elementName = "failure";
-                    break;
                 case ResultWas::ExpressionFailed:
-                    elementName = "failure";
-                    break;
                 case ResultWas::DidntThrowException:
                     elementName = "failure";
                     break;
@@ -17089,6 +17268,10 @@ namespace Catch {
             .writeAttribute( "successes", testGroupStats.totals.assertions.passed )
             .writeAttribute( "failures", testGroupStats.totals.assertions.failed )
             .writeAttribute( "expectedFailures", testGroupStats.totals.assertions.failedButOk );
+        m_xml.scopedElement( "OverallResultsCases")
+            .writeAttribute( "successes", testGroupStats.totals.testCases.passed )
+            .writeAttribute( "failures", testGroupStats.totals.testCases.failed )
+            .writeAttribute( "expectedFailures", testGroupStats.totals.testCases.failedButOk );
         m_xml.endElement();
     }
 
@@ -17098,6 +17281,10 @@ namespace Catch {
             .writeAttribute( "successes", testRunStats.totals.assertions.passed )
             .writeAttribute( "failures", testRunStats.totals.assertions.failed )
             .writeAttribute( "expectedFailures", testRunStats.totals.assertions.failedButOk );
+        m_xml.scopedElement( "OverallResultsCases")
+            .writeAttribute( "successes", testRunStats.totals.testCases.passed )
+            .writeAttribute( "failures", testRunStats.totals.testCases.failed )
+            .writeAttribute( "expectedFailures", testRunStats.totals.testCases.failedButOk );
         m_xml.endElement();
     }
 
@@ -17111,16 +17298,16 @@ namespace Catch {
         m_xml.writeAttribute("samples", info.samples)
             .writeAttribute("resamples", info.resamples)
             .writeAttribute("iterations", info.iterations)
-            .writeAttribute("clockResolution", static_cast<uint64_t>(info.clockResolution))
-            .writeAttribute("estimatedDuration", static_cast<uint64_t>(info.estimatedDuration))
+            .writeAttribute("clockResolution", info.clockResolution)
+            .writeAttribute("estimatedDuration", info.estimatedDuration)
             .writeComment("All values in nano seconds");
     }
 
     void XmlReporter::benchmarkEnded(BenchmarkStats<> const& benchmarkStats) {
         m_xml.startElement("mean")
-            .writeAttribute("value", static_cast<uint64_t>(benchmarkStats.mean.point.count()))
-            .writeAttribute("lowerBound", static_cast<uint64_t>(benchmarkStats.mean.lower_bound.count()))
-            .writeAttribute("upperBound", static_cast<uint64_t>(benchmarkStats.mean.upper_bound.count()))
+            .writeAttribute("value", benchmarkStats.mean.point.count())
+            .writeAttribute("lowerBound", benchmarkStats.mean.lower_bound.count())
+            .writeAttribute("upperBound", benchmarkStats.mean.upper_bound.count())
             .writeAttribute("ci", benchmarkStats.mean.confidence_interval);
         m_xml.endElement();
         m_xml.startElement("standardDeviation")
@@ -17171,7 +17358,7 @@ namespace Catch {
 
 #ifndef __OBJC__
 
-#if defined(CATCH_CONFIG_WCHAR) && defined(WIN32) && defined(_UNICODE) && !defined(DO_NOT_USE_WMAIN)
+#if defined(CATCH_CONFIG_WCHAR) && defined(CATCH_PLATFORM_WINDOWS) && defined(_UNICODE) && !defined(DO_NOT_USE_WMAIN)
 // Standard C/C++ Win32 Unicode wmain entry point
 extern "C" int wmain (int argc, wchar_t * argv[], wchar_t * []) {
 #else