diff --git a/ports/abseil/fix-MSVCbuildfail.patch b/ports/abseil/fix-MSVCbuildfail.patch
deleted file mode 100644
index 7c041c27bb9187..00000000000000
--- a/ports/abseil/fix-MSVCbuildfail.patch
+++ /dev/null
@@ -1,65 +0,0 @@
-diff --git a/absl/container/internal/compressed_tuple.h b/absl/container/internal/compressed_tuple.h
-index 4bfe92f..02bfd03 100644
---- a/absl/container/internal/compressed_tuple.h
-+++ b/absl/container/internal/compressed_tuple.h
-@@ -169,9 +169,33 @@ constexpr bool ShouldAnyUseBase() {
- }
- 
- template <typename T, typename V>
--using TupleMoveConstructible = typename std::conditional<
--      std::is_reference<T>::value, std::is_convertible<V, T>,
--      std::is_constructible<T, V&&>>::type;
-+using TupleElementMoveConstructible =
-+    typename std::conditional<std::is_reference<T>::value,
-+                              std::is_convertible<V, T>,
-+                              std::is_constructible<T, V&&>>::type;
-+
-+template <bool SizeMatches, class T, class... Vs>
-+struct TupleMoveConstructible : std::false_type {};
-+
-+template <class... Ts, class... Vs>
-+struct TupleMoveConstructible<true, CompressedTuple<Ts...>, Vs...>
-+    : std::integral_constant<
-+          bool, absl::conjunction<
-+                    TupleElementMoveConstructible<Ts, Vs&&>...>::value> {};
-+
-+template <typename T>
-+struct compressed_tuple_size;
-+
-+template <typename... Es>
-+struct compressed_tuple_size<CompressedTuple<Es...>>
-+    : public std::integral_constant<std::size_t, sizeof...(Es)> {};
-+
-+template <class T, class... Vs>
-+struct TupleItemsMoveConstructible
-+    : std::integral_constant<
-+          bool, TupleMoveConstructible<compressed_tuple_size<T>::value ==
-+                                           sizeof...(Vs),
-+                                       T, Vs...>::value> {};
- 
- }  // namespace internal_compressed_tuple
- 
-@@ -217,17 +241,18 @@ class ABSL_INTERNAL_COMPRESSED_TUPLE_DECLSPEC CompressedTuple
-   explicit constexpr CompressedTuple(const Ts&... base)
-       : CompressedTuple::CompressedTupleImpl(absl::in_place, base...) {}
- 
--  template <typename... Vs,
-+  template <typename First, typename... Vs,
-             absl::enable_if_t<
-                 absl::conjunction<
-                     // Ensure we are not hiding default copy/move constructors.
-                     absl::negation<std::is_same<void(CompressedTuple),
--                                                void(absl::decay_t<Vs>...)>>,
--                    internal_compressed_tuple::TupleMoveConstructible<
--                        Ts, Vs&&>...>::value,
-+                                                void(absl::decay_t<First>)>>,
-+                    internal_compressed_tuple::TupleItemsMoveConstructible<
-+                        CompressedTuple<Ts...>, First, Vs...>>::value,
-                 bool> = true>
--  explicit constexpr CompressedTuple(Vs&&... base)
-+  explicit constexpr CompressedTuple(First&& first, Vs&&... base)
-       : CompressedTuple::CompressedTupleImpl(absl::in_place,
-+                                             absl::forward<First>(first),
-                                              absl::forward<Vs>(base)...) {}
- 
-   template <int I>
diff --git a/ports/abseil/fix-arm-build.patch b/ports/abseil/fix-arm-build.patch
deleted file mode 100644
index bf3347ef4d3c7b..00000000000000
--- a/ports/abseil/fix-arm-build.patch
+++ /dev/null
@@ -1,23 +0,0 @@
-diff --git a/absl/time/internal/cctz/src/zone_info_source.cc b/absl/time/internal/cctz/src/zone_info_source.cc
-index 98ea161..3f75d56 100644
---- a/absl/time/internal/cctz/src/zone_info_source.cc
-+++ b/absl/time/internal/cctz/src/zone_info_source.cc
-@@ -65,7 +65,7 @@ ZoneInfoSourceFactory zone_info_source_factory __attribute__((weak)) =
- extern ZoneInfoSourceFactory zone_info_source_factory;
- extern ZoneInfoSourceFactory default_factory;
- ZoneInfoSourceFactory default_factory = DefaultFactory;
--#if defined(_M_IX86)
-+#if defined(_M_IX86) || ((defined(_M_ARM) || defined(_M_ARM64)) && defined(WINAPI_FAMILY) && (WINAPI_FAMILY == WINAPI_FAMILY_APP))
- #pragma comment(                                                                                                         \
-     linker,                                                                                                              \
-     "/alternatename:?zone_info_source_factory@cctz_extension@time_internal@" ABSL_INTERNAL_MANGLED_NS                    \
-@@ -83,7 +83,8 @@ ZoneInfoSourceFactory default_factory = DefaultFactory;
-     "@@U?$default_delete@VZoneInfoSource@cctz@time_internal@" ABSL_INTERNAL_MANGLED_NS                                   \
-     "@@@std@@@std@@ABV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@2@@Z@" ABSL_INTERNAL_MANGLED_BACKREFERENCE \
-     "@@ZA")
--#elif defined(_M_IA_64) || defined(_M_AMD64) || defined(_M_ARM64)
-+#elif defined(_M_IA_64) || defined(_M_AMD64) || defined(_M_ARM) || \
-+    defined(_M_ARM64)
- #pragma comment(                                                                                                          \
-     linker,                                                                                                               \
-     "/alternatename:?zone_info_source_factory@cctz_extension@time_internal@" ABSL_INTERNAL_MANGLED_NS                     \
diff --git a/ports/abseil/fix-cmake-threads-dependency.patch b/ports/abseil/fix-cmake-threads-dependency.patch
deleted file mode 100644
index 0dda75e36ab3d4..00000000000000
--- a/ports/abseil/fix-cmake-threads-dependency.patch
+++ /dev/null
@@ -1,13 +0,0 @@
-diff --git a/CMake/abslConfig.cmake.in b/CMake/abslConfig.cmake.in
-index 60847fa77..6d23f63d3 100644
---- a/CMake/abslConfig.cmake.in
-+++ b/CMake/abslConfig.cmake.in
-@@ -1,6 +1,7 @@
- # absl CMake configuration file.
-
--include(FindThreads)
-+include(CMakeFindDependencyMacro)
-+find_dependency(Threads)
-
- @PACKAGE_INIT@
-
diff --git a/ports/abseil/fix-uwp-build.patch b/ports/abseil/fix-uwp-build.patch
deleted file mode 100644
index a9b4a0c0757854..00000000000000
--- a/ports/abseil/fix-uwp-build.patch
+++ /dev/null
@@ -1,66 +0,0 @@
-diff --git a/absl/base/internal/sysinfo.cc b/absl/base/internal/sysinfo.cc
-index a0930e9..2ec5793 100644
---- a/absl/base/internal/sysinfo.cc
-+++ b/absl/base/internal/sysinfo.cc
-@@ -72,6 +72,12 @@ static int GetNumCPUs() {
- #if defined(_WIN32)
- 
- static double GetNominalCPUFrequency() {
-+// UWP apps don't have access to the registry and currently don't provide an
-+// API informing about CPU nominal frequency.
-+#if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP) && \
-+    !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
-+  return 1.0;
-+#else
- #pragma comment(lib, "advapi32.lib")  // For Reg* functions.
-   HKEY key;
-   // Use the Reg* functions rather than the SH functions because shlwapi.dll
-@@ -91,6 +97,7 @@ static double GetNominalCPUFrequency() {
-     }
-   }
-   return 1.0;
-+#endif // WINAPI_PARTITION_APP && !WINAPI_PARTITION_DESKTOP
- }
- 
- #elif defined(CTL_HW) && defined(HW_CPU_FREQ)
-diff --git a/absl/debugging/symbolize_win32.inc b/absl/debugging/symbolize_win32.inc
-index c3df46f..d324fc1 100644
---- a/absl/debugging/symbolize_win32.inc
-+++ b/absl/debugging/symbolize_win32.inc
-@@ -36,6 +36,11 @@ ABSL_NAMESPACE_BEGIN
- static HANDLE process = NULL;
- 
- void InitializeSymbolizer(const char*) {
-+// UWP doesn't support this function
-+#if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP) && \
-+    !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
-+  return;
-+#else
-   if (process != nullptr) {
-     return;
-   }
-@@ -52,9 +57,16 @@ void InitializeSymbolizer(const char*) {
-     const unsigned long long error{GetLastError()};  // NOLINT(runtime/int)
-     ABSL_RAW_LOG(FATAL, "SymInitialize() failed: %llu", error);
-   }
-+#endif
- }
- 
- bool Symbolize(const void* pc, char* out, int out_size) {
-+
-+// UWP doesn't support this function
-+#if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP) && \
-+    !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
-+  return false;
-+#else
-   if (out_size <= 0) {
-     return false;
-   }
-@@ -75,6 +87,7 @@ bool Symbolize(const void* pc, char* out, int out_size) {
-     out[out_size - 1] = '\0';
-   }
-   return true;
-+#endif
- }
- 
- ABSL_NAMESPACE_END
diff --git a/ports/abseil/portfile.cmake b/ports/abseil/portfile.cmake
index 0b62c6c2e25407..536e88f094eb01 100644
--- a/ports/abseil/portfile.cmake
+++ b/ports/abseil/portfile.cmake
@@ -2,25 +2,13 @@ if (NOT VCPKG_TARGET_IS_WINDOWS)
     vcpkg_check_linkage(ONLY_STATIC_LIBRARY)
 endif()
 
-set(ABSEIL_PATCHES
-    fix-uwp-build.patch
-
-    # This patch is an upstream commit, the related PR: https://github.com/abseil/abseil-cpp/pull/637
-    fix-MSVCbuildfail.patch
-
-    # Remove this patch in next update, see https://github.com/google/cctz/pull/145
-    fix-arm-build.patch
-
-    # This patch is an upstream commit: https://github.com/abseil/abseil-cpp/commit/68494aae959dfbbf781cdf03a988d2f5fc7e4802
-    fix-cmake-threads-dependency.patch
-)
-
 if("cxx17" IN_LIST FEATURES)
     # in C++17 mode, use std::any, std::optional, std::string_view, std::variant
     # instead of the library replacement types
     list(APPEND ABSEIL_PATCHES fix-use-cxx17-stdlib-types.patch)
 else()
-    # fore use of library replacement types, otherwise the automatic
+    # force use of library replacement types, otherwise the automatic
+
     # detection can cause ABI issues depending on which compiler options
     # are enabled for consuming user code
     list(APPEND ABSEIL_PATCHES fix-lnk2019-error.patch)
@@ -29,8 +17,8 @@ endif()
 vcpkg_from_github(
     OUT_SOURCE_PATH SOURCE_PATH
     REPO abseil/abseil-cpp
-    REF 06f0e767d13d4d68071c4fc51e25724e0fc8bc74 #commit 2020-03-03
-    SHA512 f6e2302676ddae39d84d8ec92dbd13520ae214013b43455f14ced3ae6938b94cedb06cfc40eb1781dac48f02cd35ed80673ed2d871541ef4438c282a9a4133b9
+    REF 0f3bb466b868b523cf1dc9b2aaaed65c77b28862 #LTS 20200923, Patch 2
+    SHA512 17e766a2f7a655a3877eb3accc5745a910b69a5e2426b7ce7f6d31095523dd32d48a709c5f8380488b4cb93ce9faadedc08f0481dbdbd00cf68831541d724b4d
     HEAD_REF master
     PATCHES ${ABSEIL_PATCHES}
 )
@@ -70,4 +58,4 @@ if (VCPKG_LIBRARY_LINKAGE STREQUAL dynamic)
     )
 endif()
 
-file(INSTALL ${SOURCE_PATH}/LICENSE DESTINATION ${CURRENT_PACKAGES_DIR}/share/${PORT} RENAME copyright)
\ No newline at end of file
+file(INSTALL ${SOURCE_PATH}/LICENSE DESTINATION ${CURRENT_PACKAGES_DIR}/share/${PORT} RENAME copyright)
diff --git a/ports/abseil/vcpkg.json b/ports/abseil/vcpkg.json
index 0fbb7abb955058..bd0cd8300c0d9f 100644
--- a/ports/abseil/vcpkg.json
+++ b/ports/abseil/vcpkg.json
@@ -1,7 +1,6 @@
 {
   "name": "abseil",
-  "version-string": "2020-03-03",
-  "port-version": 8,
+  "version-string": "2020-09-23",
   "description": [
     "an open-source collection designed to augment the C++ standard library.",
     "Abseil is an open-source collection of C++ library code designed to augment the C++ standard library. The Abseil library code is collected from Google's own C++ code base, has been extensively tested and used in production, and is the same code we depend on in our daily coding lives.",
@@ -9,6 +8,7 @@
     "Abseil is not meant to be a competitor to the standard library; we've just found that many of these utilities serve a purpose within our code base, and we now want to provide those resources to the C++ community as a whole."
   ],
   "homepage": "https://github.com/abseil/abseil-cpp",
+  "supports": "(x64 | arm64) & (linux | osx | windows)",
   "features": {
     "cxx17": {
       "description": "Enable compiler C++17."