diff --git a/chromium-131-qt-ui.patch b/chromium-131-qt-ui.patch
deleted file mode 100644
index a8343477..00000000
--- a/chromium-131-qt-ui.patch
+++ /dev/null
@@ -1,12 +0,0 @@
-diff -up chromium-131.0.6778.85/ui/qt/qt_shim.cc.me chromium-131.0.6778.85/ui/qt/qt_shim.cc
---- chromium-131.0.6778.85/ui/qt/qt_shim.cc.me	2024-11-23 10:04:16.789121846 +0100
-+++ chromium-131.0.6778.85/ui/qt/qt_shim.cc	2024-11-23 11:40:02.905064702 +0100
-@@ -265,7 +265,7 @@ FontRenderParams QtShim::GetFontRenderPa
- FontDescription QtShim::GetFontDescription() const {
-   QFont font = app_.font();
-   return {
--      .family = String(font.family().toStdString().c_str()),
-+      .family = String(font.family().toUtf8().constData()),
-       .size_pixels = font.pixelSize(),
-       .size_points = font.pointSize(),
-       .is_italic = IsStyleItalic(font.style()),
diff --git a/chromium-134-clang-unknown-option.patch b/chromium-134-clang-unknown-option.patch
new file mode 100644
index 00000000..fcf82b4b
--- /dev/null
+++ b/chromium-134-clang-unknown-option.patch
@@ -0,0 +1,14 @@
+Fix warning: unknown warning option '-Wno-nontrivial-memcall'
+
+diff -up chromium-134.0.6998.23/build/config/compiler/BUILD.gn.than chromium-134.0.6998.23/build/config/compiler/BUILD.gn
+--- chromium-134.0.6998.23/build/config/compiler/BUILD.gn.than	2025-02-24 09:59:50.096821901 +0100
++++ chromium-134.0.6998.23/build/config/compiler/BUILD.gn	2025-02-24 10:01:12.160253620 +0100
+@@ -1982,7 +1982,7 @@ config("default_warnings") {
+         cflags_cc += [ "-Wno-missing-template-arg-list-after-template-kw" ]
+ 
+         # TODO(crbug.com/376641662): Fix and re-enable.
+-        cflags += [ "-Wno-nontrivial-memcall" ]
++        # cflags += [ "-Wno-nontrivial-memcall" ]
+       }
+     }
+ 
diff --git a/chromium.spec b/chromium.spec
index 7310c8d1..8e2a5310 100644
--- a/chromium.spec
+++ b/chromium.spec
@@ -141,12 +141,6 @@
 %global __provides_exclude_from ^(%{chromium_path}/.*\\.so|%{chromium_path}/.*\\.so.*)$
 %global __requires_exclude ^(%{chromium_path}/.*\\.so|%{chromium_path}/.*\\.so.*)$
 
-# enable|disable use_custom_libcxx
-%global use_custom_libcxx 0
-%if 0%{?rhel} || 0%{?fedora} == 40
-%global use_custom_libcxx 1
-%endif
-
 # enable|disable control flow integrity support
 %global cfi 0
 %ifarch x86_64 aarch64
@@ -267,7 +261,7 @@
 %endif
 
 Name:	chromium
-Version: 133.0.6943.126
+Version: 133.0.6943.141
 Release: 1%{?dist}
 Summary: A WebKit (Blink) powered web browser that Google doesn't want you to use
 Url: http://www.chromium.org/Home
@@ -317,7 +311,6 @@ Patch141: chromium-118-dma_buf_export_sync_file-conflict.patch
 
 # add correct path for Qt6Gui header and libs
 Patch150: chromium-124-qt6.patch
-Patch151: chromium-131-qt-ui.patch
 
 # revert, it causes ramdom crash on aarch64
 Patch300: chromium-131-revert-decommit-pooled-pages-by-default.patch
@@ -340,6 +333,9 @@ Patch312: chromium-123-fstack-protector-strong.patch
 # build error stdarch_arm_crc32
 Patch313: chromium-133-rust-crc32fast.patch
 
+# warning: unknown warning option '-Wno-nontrivial-memcall'
+Patch314: chromium-134-clang-unknown-option.patch
+
 # add -ftrivial-auto-var-init=zero and -fwrapv
 Patch316: chromium-122-clang-build-flags.patch
 
@@ -353,12 +349,12 @@ Patch353: chromium-127-aarch64-duplicate-case-value.patch
 # remove flag split-threshold-for-reg-with-hint, it's not supported in clang <= 17
 Patch354: chromium-126-split-threshold-for-reg-with-hint.patch
 
-# fix build error with new pipewire in f43
-Patch356: chromium-133-pipewire-cast.patch
-
 # fix build error: no member named 'hardware_destructive_interference_size' in namespace 'std'
 Patch355: chromium-130-hardware_destructive_interference_size.patch
 
+# fix build error with new pipewire in f43
+Patch356: chromium-133-pipewire-cast.patch
+
 # set clang_lib path
 Patch358: chromium-127-rust-clanglib.patch
 
@@ -608,10 +604,6 @@ BuildRequires: libappstream-glib
 BuildRequires: libstdc++-static
 %endif
 
-%if ! %{use_custom_libcxx}
-BuildRequires: libcxx-devel
-%endif
-
 # Fedora tries to use system libs whenever it can.
 BuildRequires:	bzip2-devel
 BuildRequires:	dbus-glib-devel
@@ -1012,10 +1004,7 @@ Qt6 UI for chromium.
 %patch -P141 -p1 -b .dma_buf_export_sync_file-conflict
 %endif
 
-%if 0%{?rhel} > 9 || 0%{?fedora} > 39
 %patch -P150 -p1 -b .qt6
-%patch -P151 -p1 -b .qt-ui
-%endif
 
 %ifarch aarch64 ppc64le
 %patch -P300 -p1 -R -b .revert-decommit-pooled-pages-by-default
@@ -1039,10 +1028,11 @@ Qt6 UI for chromium.
 
 %ifarch aarch64
 %if 0%{?rhel} == 8 || 0%{?rhel} == 9
-%patch -P313 -p1 -b .rust-crc32fast.patch
+%patch -P313 -p1 -b .rust-crc32fast
 %endif
 %endif
 
+%patch -P314 -p1 -b .clang-unknown-option
 %patch -P316 -p1 -b .clang-build-flags
 
 %if %{disable_bti}
@@ -1208,24 +1198,10 @@ CFLAGS="$FLAGS"
 CXXFLAGS="$FLAGS"
 %endif
 
-%if ! %{use_custom_libcxx}
-CXXFLAGS="$FLAGS -stdlib=libc++"
-LDFLAGS="$LDFLAGS -stdlib=libc++"
-%endif
-
 %ifarch ppc64le
 CXXFLAGS+=' -faltivec-src-compat=mixed -Wno-deprecated-altivec-src-compat'
 %endif
 
-# reduce the size of relocations
-%if 0%{?fedora} || 0%{?rhel} > 9
-LDFLAGS="$LDFLAGS -Wl,-z,pack-relative-relocs"
-RUSTFLAGS=${RUSTFLAGS/--cap-lints/-Clink-arg=-Wl,-z,pack-relative-relocs --cap-lints}
-%if ! %{enable_debug}
-RUSTFLAGS=${RUSTFLAGS/debuginfo=?/debuginfo=0}
-%endif
-%endif
-
 export CC=clang
 export CXX=clang++
 export AR=llvm-ar
@@ -1233,8 +1209,6 @@ export NM=llvm-nm
 export READELF=llvm-readelf
 export CFLAGS
 export CXXFLAGS
-export LDFLAGS
-export RUSTFLAGS
 
 # need for error: the option `Z` is only accepted on the nightly compiler
 export RUSTC_BOOTSTRAP=1
@@ -1309,9 +1283,6 @@ CHROMIUM_CORE_GN_DEFINES+=' icu_use_data_file=true'
 CHROMIUM_CORE_GN_DEFINES+=' target_os="linux"'
 CHROMIUM_CORE_GN_DEFINES+=' current_os="linux"'
 CHROMIUM_CORE_GN_DEFINES+=' treat_warnings_as_errors=false'
-%if ! %{use_custom_libcxx}
-CHROMIUM_CORE_GN_DEFINES+=' use_custom_libcxx=false'
-%endif
 CHROMIUM_CORE_GN_DEFINES+=' enable_iterator_debugging=false'
 CHROMIUM_CORE_GN_DEFINES+=' enable_vr=false'
 CHROMIUM_CORE_GN_DEFINES+=' build_dawn_tests=false enable_perfetto_unittests=false'
@@ -1781,6 +1752,9 @@ fi
 %endif
 
 %changelog
+* Wed Feb 26 2025 Than Ngo <than@redhat.com> - 133.0.6943.141-1
+- Update to 133.0.6943.141
+
 * Wed Feb 19 2025 Than Ngo <than@redhat.com> - 133.0.6943.126-1
 - Update to 133.0.6943.126
   * CVE-2025-0999: Heap buffer overflow in V8
diff --git a/sources b/sources
index 8901a96c..ca2a4a00 100644
--- a/sources
+++ b/sources
@@ -2,4 +2,4 @@ SHA512 (node-v20.6.1-linux-arm64.tar.xz) = adfcaf2c22614797fd69fb46d94c1cbf64dea
 SHA512 (node-v20.6.1-linux-x64.tar.xz) = 7e15c05041a9a50f0046266aadb2e092a5aefbec19be1c7c809471add520cb57c7df3c47d88b1888b29bf2979dca3c92adddfd965370fa2a9da4ea02186464fd
 SHA512 (linux-arm64-0.19.2.tgz) = 8a0d8fec6786fffcd6954d00820037a55d61e60762c74300df0801f8db27057562c221a063bedfb8df56af9ba80abb366336987e881782c5996e6f871abd3dc6
 SHA512 (linux-x64-0.19.2.tgz) = a31cc74c4bfa54f9b75d735a1cfc944d3b5efb7c06bfba9542da9a642ae0b2d235ea00ae84d3ad0572c406405110fe7b61377af0fd15803806ef78d20fc6f05d
-SHA512 (chromium-133.0.6943.126-clean.tar.xz) = 7c818a6fa2ffed20ca1c11eee8d7fc8e09e53efbf6f21c40f67b781f0737a8b7dd1ee09a79f823b28fe0dd234c2faf920680db387fd3caa5c8db0699c170b100
+SHA512 (chromium-133.0.6943.141-clean.tar.xz) = 3e9a04b9168db93a523d538bdff0b9f35dc697b0006dd0e74e897f5f2df5a9e461e9c6067fadbb6ec907ee31edcf80f3f95ef19750bf12961b3f20436f91fe46