diff --git a/media-libs/tg_owt/patches/tg_owt-0.0.20210915.patchset b/media-libs/tg_owt/patches/tg_owt-0.0.20210915.patchset
index 874499c33..ba4085bdf 100644
--- a/media-libs/tg_owt/patches/tg_owt-0.0.20210915.patchset
+++ b/media-libs/tg_owt/patches/tg_owt-0.0.20210915.patchset
@@ -1753,121 +1753,6 @@ index 4ac7043..5fe950f 100644
  RTC_EXPORT_TEMPLATE_TEST(DEFAULT, __declspec(dllimport));
  
  #undef RTC_EXPORT_TEMPLATE_TEST
-diff --git a/src/third_party/abseil-cpp/absl/base/options.h b/src/third_party/abseil-cpp/absl/base/options.h
-index 230bf1e..6e1b9e5 100644
---- a/src/third_party/abseil-cpp/absl/base/options.h
-+++ b/src/third_party/abseil-cpp/absl/base/options.h
-@@ -100,7 +100,7 @@
- // User code should not inspect this macro.  To check in the preprocessor if
- // absl::any is a typedef of std::any, use the feature macro ABSL_USES_STD_ANY.
- 
--#define ABSL_OPTION_USE_STD_ANY 2
-+#define ABSL_OPTION_USE_STD_ANY 0
- 
- 
- // ABSL_OPTION_USE_STD_OPTIONAL
-@@ -127,7 +127,7 @@
- // absl::optional is a typedef of std::optional, use the feature macro
- // ABSL_USES_STD_OPTIONAL.
- 
--#define ABSL_OPTION_USE_STD_OPTIONAL 2
-+#define ABSL_OPTION_USE_STD_OPTIONAL 0
- 
- 
- // ABSL_OPTION_USE_STD_STRING_VIEW
-@@ -154,7 +154,7 @@
- // absl::string_view is a typedef of std::string_view, use the feature macro
- // ABSL_USES_STD_STRING_VIEW.
- 
--#define ABSL_OPTION_USE_STD_STRING_VIEW 2
-+#define ABSL_OPTION_USE_STD_STRING_VIEW 0
- 
- // ABSL_OPTION_USE_STD_VARIANT
- //
-@@ -180,7 +180,7 @@
- // absl::variant is a typedef of std::variant, use the feature macro
- // ABSL_USES_STD_VARIANT.
- 
--#define ABSL_OPTION_USE_STD_VARIANT 2
-+#define ABSL_OPTION_USE_STD_VARIANT 0
- 
- 
- // ABSL_OPTION_USE_INLINE_NAMESPACE
-diff --git a/src/third_party/abseil-cpp/absl/strings/match.cc b/src/third_party/abseil-cpp/absl/strings/match.cc
-index 8127cb0..40a23b6 100644
---- a/src/third_party/abseil-cpp/absl/strings/match.cc
-+++ b/src/third_party/abseil-cpp/absl/strings/match.cc
-@@ -19,22 +19,5 @@
- namespace absl {
- ABSL_NAMESPACE_BEGIN
- 
--bool EqualsIgnoreCase(absl::string_view piece1, absl::string_view piece2) {
--  return (piece1.size() == piece2.size() &&
--          0 == absl::strings_internal::memcasecmp(piece1.data(), piece2.data(),
--                                                  piece1.size()));
--  // memcasecmp uses absl::ascii_tolower().
--}
--
--bool StartsWithIgnoreCase(absl::string_view text, absl::string_view prefix) {
--  return (text.size() >= prefix.size()) &&
--         EqualsIgnoreCase(text.substr(0, prefix.size()), prefix);
--}
--
--bool EndsWithIgnoreCase(absl::string_view text, absl::string_view suffix) {
--  return (text.size() >= suffix.size()) &&
--         EqualsIgnoreCase(text.substr(text.size() - suffix.size()), suffix);
--}
--
- ABSL_NAMESPACE_END
- }  // namespace absl
-diff --git a/src/third_party/abseil-cpp/absl/strings/match.h b/src/third_party/abseil-cpp/absl/strings/match.h
-index 90fca98..53ada13 100644
---- a/src/third_party/abseil-cpp/absl/strings/match.h
-+++ b/src/third_party/abseil-cpp/absl/strings/match.h
-@@ -35,7 +35,9 @@
- 
- #include <cstring>
- 
-+#include "absl/strings/match.h"
- #include "absl/strings/string_view.h"
-+#include "absl/strings/internal/memutil.h"
- 
- namespace absl {
- ABSL_NAMESPACE_BEGIN
-@@ -70,19 +72,30 @@ inline bool EndsWith(absl::string_view text, absl::string_view suffix) {
- //
- // Returns whether given ASCII strings `piece1` and `piece2` are equal, ignoring
- // case in the comparison.
--bool EqualsIgnoreCase(absl::string_view piece1, absl::string_view piece2);
-+inline bool EqualsIgnoreCase(absl::string_view piece1, absl::string_view piece2) {
-+  return (piece1.size() == piece2.size() &&
-+          0 == absl::strings_internal::memcasecmp(piece1.data(), piece2.data(),
-+                                                  piece1.size()));
-+  // memcasecmp uses absl::ascii_tolower().
-+}
- 
- // StartsWithIgnoreCase()
- //
- // Returns whether a given ASCII string `text` starts with `prefix`,
- // ignoring case in the comparison.
--bool StartsWithIgnoreCase(absl::string_view text, absl::string_view prefix);
-+inline bool StartsWithIgnoreCase(absl::string_view text, absl::string_view prefix) {
-+  return (text.size() >= prefix.size()) &&
-+         EqualsIgnoreCase(text.substr(0, prefix.size()), prefix);
-+}
- 
- // EndsWithIgnoreCase()
- //
- // Returns whether a given ASCII string `text` ends with `suffix`, ignoring
- // case in the comparison.
--bool EndsWithIgnoreCase(absl::string_view text, absl::string_view suffix);
-+inline bool EndsWithIgnoreCase(absl::string_view text, absl::string_view suffix) {
-+  return (text.size() >= suffix.size()) &&
-+         EqualsIgnoreCase(text.substr(text.size() - suffix.size()), suffix);
-+}
- 
- ABSL_NAMESPACE_END
- }  // namespace absl
 diff --git a/src/third_party/openh264/src/codec/common/src/WelsThreadLib.cpp b/src/third_party/openh264/src/codec/common/src/WelsThreadLib.cpp
 index 8aa67f1..5c2b6e1 100644
 --- a/src/third_party/openh264/src/codec/common/src/WelsThreadLib.cpp
diff --git a/media-libs/tg_owt/tg_owt-0.0.20210915.recipe b/media-libs/tg_owt/tg_owt-0.0.20210915.recipe
index c4c390061..103aa0539 100644
--- a/media-libs/tg_owt/tg_owt-0.0.20210915.recipe
+++ b/media-libs/tg_owt/tg_owt-0.0.20210915.recipe
@@ -3,7 +3,7 @@ DESCRIPTION="Telegram Desktop's fork of Google's WebRTC."
 HOMEPAGE="https://github.com/desktop-app/tg_owt"
 COPYRIGHT="2013-2021 Telegram"
 LICENSE="BSD (3-clause)"
-REVISION="3"
+REVISION="2"
 srcGitRev="575fb17d2853c43329e45f6693370f5e41668055"
 SOURCE_URI="https://github.com/desktop-app/tg_owt/archive/$srcGitRev.tar.gz"
 SOURCE_DIR="tg_owt-$srcGitRev"
@@ -29,6 +29,7 @@ PROVIDES="
 	"
 REQUIRES="
 	haiku$secondaryArchSuffix
+	lib:libabsl_strings$secondaryArchSuffix
 	lib:libavcodec$secondaryArchSuffix
 	lib:libavformat$secondaryArchSuffix
 	lib:libavutil$secondaryArchSuffix
@@ -43,6 +44,7 @@ REQUIRES="
 
 BUILD_REQUIRES="
 	haiku${secondaryArchSuffix}_devel
+	devel:libabsl_strings$secondaryArchSuffix
 	devel:libcrypto$secondaryArchSuffix
 	devel:libavcodec$secondaryArchSuffix
 	devel:libavformat$secondaryArchSuffix