diff --git a/ci/cloudbuild/builds/lib/quickstart.sh b/ci/cloudbuild/builds/lib/quickstart.sh
index 6d585b95537b5..73b1b3bcff371 100644
--- a/ci/cloudbuild/builds/lib/quickstart.sh
+++ b/ci/cloudbuild/builds/lib/quickstart.sh
@@ -59,6 +59,7 @@ function quickstart::build_one_quickstart() {
     "-S" "${src_dir}"
     "-B" "${cmake_bin_dir}"
     -DCMAKE_CXX_STANDARD=17
+    -DCMAKE_BUILD_TYPE=Debug
     -DCMAKE_PREFIX_PATH="${prefix}"
   )
   if command -v /usr/local/bin/sccache >/dev/null 2>&1; then
@@ -120,7 +121,11 @@ function quickstart::run_one_quickstart() {
 
   io::log "[ CMake ]"
   local cmake_bin_dir="${PROJECT_ROOT}/cmake-out/quickstart/cmake-${bin_dir_suffix}"
-  io::run "${cmake_bin_dir}/quickstart" "${run_args[@]}"
+  if command -v /usr/bin/valgrind >/dev/null 2>&1; then
+    io::run valgrind --leak-check=full "${cmake_bin_dir}/quickstart" "${run_args[@]}"
+  else
+    io::run env MALLOC_CHECK_=3 "${cmake_bin_dir}/quickstart" "${run_args[@]}"
+  fi
 
   #  echo
   #  io::log "[ Make ]"
diff --git a/ci/cloudbuild/dockerfiles/demo-alpine-stable.Dockerfile b/ci/cloudbuild/dockerfiles/demo-alpine-stable.Dockerfile
index d44f692b2e6ec..99e16943dd1ee 100644
--- a/ci/cloudbuild/dockerfiles/demo-alpine-stable.Dockerfile
+++ b/ci/cloudbuild/dockerfiles/demo-alpine-stable.Dockerfile
@@ -58,7 +58,7 @@ ENV PKG_CONFIG_PATH=/usr/local/lib/pkgconfig:/usr/lib/pkgconfig
 
 # ```bash
 RUN apk update && \
-    apk add abseil-cpp-dev crc32c-dev c-ares-dev curl-dev grpc-dev \
+    apk add abseil-cpp-dev c-ares-dev curl-dev grpc-dev \
         protobuf-dev nlohmann-json openssl-dev re2-dev
 # ```
 
diff --git a/ci/cloudbuild/dockerfiles/demo-debian-bookworm.Dockerfile b/ci/cloudbuild/dockerfiles/demo-debian-bookworm.Dockerfile
index d6c49d263665c..1960179aeff56 100644
--- a/ci/cloudbuild/dockerfiles/demo-debian-bookworm.Dockerfile
+++ b/ci/cloudbuild/dockerfiles/demo-debian-bookworm.Dockerfile
@@ -60,12 +60,12 @@ ENV PKG_CONFIG_PATH=/usr/lib/x86_64-linux-gnu/pkgconfig:/usr/local/lib/pkgconfig
 
 # #### abseil
 WORKDIR /var/tmp/build/abseil-cpp
-RUN curl -fsSL https://github.com/abseil/abseil-cpp/archive/20250127.1.tar.gz | \
+RUN curl -fsSL https://github.com/abseil/abseil-cpp/archive/20250814.1.tar.gz | \
     tar -xzf - --strip-components=1 && \
     cmake \
       -DCMAKE_BUILD_TYPE=Release \
+      -DCMAKE_CXX_STANDARD=17 \
       -DABSL_BUILD_TESTING=OFF \
-      -DABSL_PROPAGATE_CXX_STD=ON \
       -DBUILD_SHARED_LIBS=yes \
       -S . -B cmake-out && \
     cmake --build cmake-out -- -j ${NCPU:-4} && \
diff --git a/ci/cloudbuild/dockerfiles/demo-debian-bullseye.Dockerfile b/ci/cloudbuild/dockerfiles/demo-debian-bullseye.Dockerfile
index d6ae0eaf807a1..5a637bc6a67b2 100644
--- a/ci/cloudbuild/dockerfiles/demo-debian-bullseye.Dockerfile
+++ b/ci/cloudbuild/dockerfiles/demo-debian-bullseye.Dockerfile
@@ -29,20 +29,14 @@ RUN apt-get update && \
 
 # #### Abseil
 
-# Debian 11 ships with Abseil==20200923.3.  Unfortunately, the current gRPC
-# version needs Abseil >= 20210324. Enabling `ABSL_PROPAGATE_CXX_STD`
-# propagates the version of C++ used to compile Abseil to anything that depends
-# on Abseil.
-
 # ```bash
 WORKDIR /var/tmp/build/abseil-cpp
-RUN curl -fsSL https://github.com/abseil/abseil-cpp/archive/20250127.1.tar.gz | \
+RUN curl -fsSL https://github.com/abseil/abseil-cpp/archive/20250814.1.tar.gz | \
     tar -xzf - --strip-components=1 && \
     cmake \
       -DCMAKE_BUILD_TYPE=Release \
       -DCMAKE_CXX_STANDARD=17 \
       -DABSL_BUILD_TESTING=OFF \
-      -DABSL_PROPAGATE_CXX_STD=ON \
       -DBUILD_SHARED_LIBS=yes \
       -S . -B cmake-out && \
     cmake --build cmake-out -- -j ${NCPU:-4} && \
@@ -50,27 +44,6 @@ RUN curl -fsSL https://github.com/abseil/abseil-cpp/archive/20250127.1.tar.gz |
     ldconfig
 # ```
 
-# #### crc32c
-
-# The project depends on the Crc32c library, we need to compile this from
-# source:
-
-# ```bash
-WORKDIR /var/tmp/build/crc32c
-RUN curl -fsSL https://github.com/google/crc32c/archive/1.1.2.tar.gz | \
-    tar -xzf - --strip-components=1 && \
-    cmake \
-        -DCMAKE_BUILD_TYPE=Release \
-        -DBUILD_SHARED_LIBS=yes \
-        -DCRC32C_BUILD_TESTS=OFF \
-        -DCRC32C_BUILD_BENCHMARKS=OFF \
-        -DCRC32C_USE_GLOG=OFF \
-        -S . -B cmake-out && \
-    cmake --build cmake-out -- -j ${NCPU:-4} && \
-    cmake --build cmake-out --target install -- -j ${NCPU:-4} && \
-    ldconfig
-# ```
-
 # #### nlohmann_json library
 
 # Debian 11 also ships with nlohmann-json==3.9.1, which is recent enough for our needs:
diff --git a/ci/cloudbuild/dockerfiles/demo-fedora.Dockerfile b/ci/cloudbuild/dockerfiles/demo-fedora.Dockerfile
index 75732c47670e1..fbb9eb1d7ef08 100644
--- a/ci/cloudbuild/dockerfiles/demo-fedora.Dockerfile
+++ b/ci/cloudbuild/dockerfiles/demo-fedora.Dockerfile
@@ -31,7 +31,7 @@ RUN dnf makecache && \
 # ```bash
 RUN dnf makecache && \
     dnf install -y protobuf-compiler protobuf-devel grpc-cpp grpc-devel \
-        json-devel libcurl-devel google-crc32c-devel openssl-devel
+        json-devel libcurl-devel openssl-devel
 # ```
 
 # #### Patching pkg-config
@@ -54,14 +54,6 @@ RUN curl -fsSL https://distfiles.ariadne.space/pkgconf/pkgconf-2.2.0.tar.gz | \
     ldconfig && cd /var/tmp && rm -fr build
 # ```
 
-# Older versions of Fedora hard-code RE2 to use C++11. It was fixed starting
-# with Fedora:38. If you using Fedora >= 38 or you are not planning to use
-# `pkg-config(1)` you can ignore this step.  Alternatively, you can install RE2
-# and gRPC from source.
-# ```
-# sed -i 's/-std=c\+\+11 //' /usr/lib64/pkgconfig/re2.pc
-# ```
-
 # The following steps will install libraries and tools in `/usr/local`. By
 # default, pkgconf does not search in these directories. We need to explicitly
 # set the search path.
diff --git a/ci/cloudbuild/dockerfiles/demo-opensuse-leap.Dockerfile b/ci/cloudbuild/dockerfiles/demo-opensuse-leap.Dockerfile
index 8292f720ef64b..b384bd39b5ca5 100644
--- a/ci/cloudbuild/dockerfiles/demo-opensuse-leap.Dockerfile
+++ b/ci/cloudbuild/dockerfiles/demo-opensuse-leap.Dockerfile
@@ -35,7 +35,7 @@ RUN zypper refresh && \
 # ```bash
 RUN zypper refresh && \
     zypper install --allow-downgrade -y abseil-cpp-devel c-ares-devel \
-        libcurl-devel libopenssl-devel libcrc32c-devel nlohmann_json-devel \
+        libcurl-devel libopenssl-devel nlohmann_json-devel \
         grpc-devel libprotobuf-devel
 # ```
 
diff --git a/ci/cloudbuild/dockerfiles/demo-rockylinux-9.Dockerfile b/ci/cloudbuild/dockerfiles/demo-rockylinux-9.Dockerfile
index 9cf4808143165..9abb7c200278d 100644
--- a/ci/cloudbuild/dockerfiles/demo-rockylinux-9.Dockerfile
+++ b/ci/cloudbuild/dockerfiles/demo-rockylinux-9.Dockerfile
@@ -68,20 +68,14 @@ ENV PATH=/usr/local/bin:${PATH}
 
 # #### Abseil
 
-# Rocky Linux 9 includes a package for Abseil, unfortunately, this package is
-# incomplete, as it lacks the CMake support files for it. We need to compile
-# Abseiil from source. Enabling `ABSL_PROPAGATE_CXX_STD` propagates the version
-# of C++ used to compile Abseil to anything that depends on Abseil.
-
 # ```bash
 WORKDIR /var/tmp/build/abseil-cpp
-RUN curl -fsSL https://github.com/abseil/abseil-cpp/archive/20250127.1.tar.gz | \
+RUN curl -fsSL https://github.com/abseil/abseil-cpp/archive/20250814.1.tar.gz | \
     tar -xzf - --strip-components=1 && \
     cmake \
       -DCMAKE_BUILD_TYPE=Release \
         -DCMAKE_CXX_STANDARD=17 \
       -DABSL_BUILD_TESTING=OFF \
-      -DABSL_PROPAGATE_CXX_STD=ON \
       -DBUILD_SHARED_LIBS=yes \
       -S . -B cmake-out && \
     cmake --build cmake-out -- -j ${NCPU:-4} && \
@@ -159,27 +153,6 @@ RUN curl -fsSL https://github.com/grpc/grpc/archive/v1.74.1.tar.gz | \
     ldconfig
 # ```
 
-# #### crc32c
-
-# The project depends on the Crc32c library, we need to compile this from
-# source:
-
-# ```bash
-WORKDIR /var/tmp/build/crc32c
-RUN curl -fsSL https://github.com/google/crc32c/archive/1.1.2.tar.gz | \
-    tar -xzf - --strip-components=1 && \
-    cmake \
-        -DCMAKE_BUILD_TYPE=Release \
-        -DBUILD_SHARED_LIBS=yes \
-        -DCRC32C_BUILD_TESTS=OFF \
-        -DCRC32C_BUILD_BENCHMARKS=OFF \
-        -DCRC32C_USE_GLOG=OFF \
-        -S . -B cmake-out && \
-    cmake --build cmake-out -- -j ${NCPU:-4} && \
-    cmake --build cmake-out --target install -- -j ${NCPU:-4} && \
-    ldconfig
-# ```
-
 # #### nlohmann_json library
 
 # The project depends on the nlohmann_json library. We use CMake to
diff --git a/ci/cloudbuild/dockerfiles/demo-ubuntu-24.04.Dockerfile b/ci/cloudbuild/dockerfiles/demo-ubuntu-24.04.Dockerfile
index dbf368f57a9b3..43ca5f0adc81e 100644
--- a/ci/cloudbuild/dockerfiles/demo-ubuntu-24.04.Dockerfile
+++ b/ci/cloudbuild/dockerfiles/demo-ubuntu-24.04.Dockerfile
@@ -64,12 +64,11 @@ RUN ln -s /usr/bin/pkgconf /usr/bin/pkg-config
 
 # #### abseil
 WORKDIR /var/tmp/build/abseil-cpp
-RUN curl -fsSL https://github.com/abseil/abseil-cpp/archive/20250127.1.tar.gz | \
+RUN curl -fsSL https://github.com/abseil/abseil-cpp/archive/20250814.1.tar.gz | \
     tar -xzf - --strip-components=1 && \
     cmake \
       -DCMAKE_BUILD_TYPE=Release \
       -DABSL_BUILD_TESTING=OFF \
-      -DABSL_PROPAGATE_CXX_STD=ON \
       -DBUILD_SHARED_LIBS=yes \
       -S . -B cmake-out && \
     cmake --build cmake-out -- -j ${NCPU:-4} && \
diff --git a/ci/cloudbuild/dockerfiles/demo-ubuntu-focal.Dockerfile b/ci/cloudbuild/dockerfiles/demo-ubuntu-focal.Dockerfile
index a22d83f75bdd0..6df4af569dce0 100644
--- a/ci/cloudbuild/dockerfiles/demo-ubuntu-focal.Dockerfile
+++ b/ci/cloudbuild/dockerfiles/demo-ubuntu-focal.Dockerfile
@@ -30,19 +30,14 @@ RUN apt-get update && \
 
 # #### Abseil
 
-# We need a recent version of Abseil. Enabling `ABSL_PROPAGATE_CXX_STD` 
-# propagates the version of C++ used to compile Abseil to anything that depends
-# on Abseil.
-
 # ```bash
 WORKDIR /var/tmp/build/abseil-cpp
-RUN curl -fsSL https://github.com/abseil/abseil-cpp/archive/20250127.1.tar.gz | \
+RUN curl -fsSL https://github.com/abseil/abseil-cpp/archive/20250814.1.tar.gz | \
     tar -xzf - --strip-components=1 && \
     cmake \
       -DCMAKE_BUILD_TYPE=Release \
       -DCMAKE_CXX_STANDARD=17 \
       -DABSL_BUILD_TESTING=OFF \
-      -DABSL_PROPAGATE_CXX_STD=ON \
       -DBUILD_SHARED_LIBS=yes \
       -S . -B cmake-out && \
     cmake --build cmake-out -- -j ${NCPU:-4} && \
@@ -117,27 +112,6 @@ RUN curl -fsSL https://github.com/grpc/grpc/archive/v1.74.1.tar.gz | \
     ldconfig
 # ```
 
-# #### crc32c
-
-# The project depends on the Crc32c library, we need to compile this from
-# source:
-
-# ```bash
-WORKDIR /var/tmp/build/crc32c
-RUN curl -fsSL https://github.com/google/crc32c/archive/1.1.2.tar.gz | \
-    tar -xzf - --strip-components=1 && \
-    cmake \
-        -DCMAKE_BUILD_TYPE=Release \
-        -DBUILD_SHARED_LIBS=yes \
-        -DCRC32C_BUILD_TESTS=OFF \
-        -DCRC32C_BUILD_BENCHMARKS=OFF \
-        -DCRC32C_USE_GLOG=OFF \
-        -S . -B cmake-out && \
-    cmake --build cmake-out -- -j ${NCPU:-4} && \
-    cmake --build cmake-out --target install -- -j ${NCPU:-4} && \
-    ldconfig
-# ```
-
 # #### nlohmann_json library
 
 # The project depends on the nlohmann_json library. We use CMake to
diff --git a/ci/cloudbuild/dockerfiles/demo-ubuntu-jammy.Dockerfile b/ci/cloudbuild/dockerfiles/demo-ubuntu-jammy.Dockerfile
index b977fc72ab615..7c36db76923a4 100644
--- a/ci/cloudbuild/dockerfiles/demo-ubuntu-jammy.Dockerfile
+++ b/ci/cloudbuild/dockerfiles/demo-ubuntu-jammy.Dockerfile
@@ -30,19 +30,14 @@ RUN apt-get update && \
 
 # #### Abseil
 
-# We need a recent version of Abseil. Enabling `ABSL_PROPAGATE_CXX_STD` 
-# propagates the version of C++ used to compile Abseil to anything that depends
-# on Abseil.
-
 # ```bash
 WORKDIR /var/tmp/build/abseil-cpp
-RUN curl -fsSL https://github.com/abseil/abseil-cpp/archive/20250127.1.tar.gz | \
+RUN curl -fsSL https://github.com/abseil/abseil-cpp/archive/20250814.1.tar.gz | \
     tar -xzf - --strip-components=1 && \
     cmake \
       -DCMAKE_BUILD_TYPE=Release \
       -DCMAKE_CXX_STANDARD=17 \
       -DABSL_BUILD_TESTING=OFF \
-      -DABSL_PROPAGATE_CXX_STD=ON \
       -DBUILD_SHARED_LIBS=yes \
       -S . -B cmake-out && \
     cmake --build cmake-out -- -j ${NCPU:-4} && \
@@ -98,27 +93,6 @@ RUN curl -fsSL https://github.com/grpc/grpc/archive/v1.74.1.tar.gz | \
     ldconfig
 # ```
 
-# #### crc32c
-
-# The project depends on the Crc32c library, we need to compile this from
-# source:
-
-# ```bash
-WORKDIR /var/tmp/build/crc32c
-RUN curl -fsSL https://github.com/google/crc32c/archive/1.1.2.tar.gz | \
-    tar -xzf - --strip-components=1 && \
-    cmake \
-        -DCMAKE_BUILD_TYPE=Release \
-        -DBUILD_SHARED_LIBS=yes \
-        -DCRC32C_BUILD_TESTS=OFF \
-        -DCRC32C_BUILD_BENCHMARKS=OFF \
-        -DCRC32C_USE_GLOG=OFF \
-        -S . -B cmake-out && \
-    cmake --build cmake-out -- -j ${NCPU:-4} && \
-    cmake --build cmake-out --target install -- -j ${NCPU:-4} && \
-    ldconfig
-# ```
-
 # #### nlohmann_json library
 
 # The project depends on the nlohmann_json library. We use CMake to
diff --git a/ci/cloudbuild/dockerfiles/fedora-latest-cmake.Dockerfile b/ci/cloudbuild/dockerfiles/fedora-latest-cmake.Dockerfile
index d020a1a95bdda..fc9969d9ba776 100644
--- a/ci/cloudbuild/dockerfiles/fedora-latest-cmake.Dockerfile
+++ b/ci/cloudbuild/dockerfiles/fedora-latest-cmake.Dockerfile
@@ -42,6 +42,8 @@ RUN dnf makecache && dnf debuginfo-install -y libstdc++
 # These are used by the docfx tool.
 RUN dnf makecache && dnf install -y pugixml-devel yaml-cpp-devel
 
+RUN dnf install -y valgrind
+
 # Sets root's password to the empty string to enable users to get a root shell
 # inside the container with `su -` and no password. Sudo would not work because
 # we run these containers as the invoking user's uid, which does not exist in
@@ -70,7 +72,7 @@ ENV PKG_CONFIG_PATH=/usr/local/lib64/pkgconfig:/usr/local/lib/pkgconfig:/usr/lib
 # We disable the inline namespace because otherwise Abseil LTS updates break our
 # `check-api` build.
 WORKDIR /var/tmp/build
-RUN curl -fsSL https://github.com/abseil/abseil-cpp/archive/20250127.1.tar.gz | \
+RUN curl -fsSL https://github.com/abseil/abseil-cpp/archive/20250814.1.tar.gz | \
     tar -xzf - --strip-components=1 && \
     cmake \
       -DCMAKE_BUILD_TYPE="Release" \
@@ -102,19 +104,6 @@ RUN curl -fsSL https://github.com/google/benchmark/archive/v1.9.2.tar.gz | \
     cmake --build cmake-out --target install && \
     ldconfig && cd /var/tmp && rm -fr build
 
-WORKDIR /var/tmp/build
-RUN curl -fsSL https://github.com/google/crc32c/archive/1.1.2.tar.gz | \
-    tar -xzf - --strip-components=1 && \
-    cmake \
-      -DCMAKE_BUILD_TYPE=Release \
-      -DBUILD_SHARED_LIBS=yes \
-      -DCRC32C_BUILD_TESTS=OFF \
-      -DCRC32C_BUILD_BENCHMARKS=OFF \
-      -DCRC32C_USE_GLOG=OFF \
-      -GNinja -S . -B cmake-out && \
-    cmake --build cmake-out --target install && \
-    ldconfig && cd /var/tmp && rm -fr build
-
 WORKDIR /var/tmp/build
 RUN curl -fsSL https://github.com/nlohmann/json/archive/v3.11.3.tar.gz | \
     tar -xzf - --strip-components=1 && \
diff --git a/ci/cloudbuild/dockerfiles/fedora-latest-cxx20.Dockerfile b/ci/cloudbuild/dockerfiles/fedora-latest-cxx20.Dockerfile
index 36d0c5430e660..55484f4c40e66 100644
--- a/ci/cloudbuild/dockerfiles/fedora-latest-cxx20.Dockerfile
+++ b/ci/cloudbuild/dockerfiles/fedora-latest-cxx20.Dockerfile
@@ -73,13 +73,12 @@ ENV PKG_CONFIG_PATH=/usr/local/lib64/pkgconfig:/usr/local/lib/pkgconfig:/usr/lib
 # with fewer layers).
 
 WORKDIR /var/tmp/build
-RUN curl -fsSL https://github.com/abseil/abseil-cpp/archive/20250127.1.tar.gz | \
+RUN curl -fsSL https://github.com/abseil/abseil-cpp/archive/20250814.1.tar.gz | \
     tar -xzf - --strip-components=1 && \
     cmake \
       -DCMAKE_CXX_STANDARD=20 \
       -DCMAKE_BUILD_TYPE=Release \
       -DABSL_BUILD_TESTING=OFF \
-      -DABSL_PROPAGATE_CXX_STD=ON \
       -DBUILD_SHARED_LIBS=yes \
       -GNinja -S . -B cmake-out && \
     cmake --build cmake-out && cmake --install cmake-out && \
@@ -111,21 +110,6 @@ RUN curl -fsSL https://github.com/google/benchmark/archive/v1.9.2.tar.gz | \
     ldconfig && \
     cd /var/tmp && rm -fr build
 
-WORKDIR /var/tmp/build
-RUN curl -fsSL https://github.com/google/crc32c/archive/1.1.2.tar.gz | \
-    tar -xzf - --strip-components=1 && \
-    cmake \
-      -DCMAKE_CXX_STANDARD=20 \
-      -DCMAKE_BUILD_TYPE=Release \
-      -DBUILD_SHARED_LIBS=yes \
-      -DCRC32C_BUILD_TESTS=OFF \
-      -DCRC32C_BUILD_BENCHMARKS=OFF \
-      -DCRC32C_USE_GLOG=OFF \
-      -GNinja -S . -B cmake-out && \
-    cmake --build cmake-out && cmake --install cmake-out && \
-    ldconfig && \
-    cd /var/tmp && rm -fr build
-
 WORKDIR /var/tmp/build
 RUN curl -fsSL https://github.com/nlohmann/json/archive/v3.11.3.tar.gz | \
     tar -xzf - --strip-components=1 && \
diff --git a/ci/cloudbuild/dockerfiles/fedora-latest-publish-docs.Dockerfile b/ci/cloudbuild/dockerfiles/fedora-latest-publish-docs.Dockerfile
index fa0945ee79d52..c9aead6fb3e8a 100644
--- a/ci/cloudbuild/dockerfiles/fedora-latest-publish-docs.Dockerfile
+++ b/ci/cloudbuild/dockerfiles/fedora-latest-publish-docs.Dockerfile
@@ -27,7 +27,6 @@ RUN dnf makecache && \
     dnf install -y \
         gmock-devel \
         google-benchmark-devel \
-        google-crc32c-devel \
         grpc-devel \
         gtest-devel \
         json-devel \
diff --git a/ci/cloudbuild/dockerfiles/fedora-m32.Dockerfile b/ci/cloudbuild/dockerfiles/fedora-m32.Dockerfile
index 6435028d58989..29d7f9efeabe2 100644
--- a/ci/cloudbuild/dockerfiles/fedora-m32.Dockerfile
+++ b/ci/cloudbuild/dockerfiles/fedora-m32.Dockerfile
@@ -36,7 +36,6 @@ RUN dnf makecache && \
         glibc-devel.i686 \
         gmock-devel.i686 \
         google-benchmark-devel.i686 \
-        google-crc32c-devel.i686 \
         grpc-devel.i686 \
         gtest-devel.i686 \
         libcurl-devel.i686 \
diff --git a/ci/cloudbuild/dockerfiles/gcc-oldest.Dockerfile b/ci/cloudbuild/dockerfiles/gcc-oldest.Dockerfile
index ea44c79c90ef1..daaa346f90561 100644
--- a/ci/cloudbuild/dockerfiles/gcc-oldest.Dockerfile
+++ b/ci/cloudbuild/dockerfiles/gcc-oldest.Dockerfile
@@ -32,7 +32,6 @@ RUN curl -fsSL https://github.com/abseil/abseil-cpp/archive/20250127.1.tar.gz |
       -DCMAKE_CXX_STANDARD=17 \
       -DCMAKE_BUILD_TYPE=Release \
       -DABSL_BUILD_TESTING=OFF \
-      -DABSL_PROPAGATE_CXX_STD=ON \
       -DBUILD_SHARED_LIBS=yes \
       -GNinja -S . -B cmake-out && \
     cmake --build cmake-out && cmake --install cmake-out && \
diff --git a/ci/cloudbuild/dockerfiles/ubuntu-20.04-install.Dockerfile b/ci/cloudbuild/dockerfiles/ubuntu-20.04-install.Dockerfile
index 2c6d761f16513..d6d0b67baff00 100644
--- a/ci/cloudbuild/dockerfiles/ubuntu-20.04-install.Dockerfile
+++ b/ci/cloudbuild/dockerfiles/ubuntu-20.04-install.Dockerfile
@@ -59,13 +59,12 @@ RUN apt update && apt install -y openjdk-13-jre
 # image smaller (and with fewer layers)
 
 WORKDIR /var/tmp/build/abseil-cpp
-RUN curl -fsSL https://github.com/abseil/abseil-cpp/archive/20250127.1.tar.gz | \
+RUN curl -fsSL https://github.com/abseil/abseil-cpp/archive/20250814.1.tar.gz | \
     tar -xzf - --strip-components=1 && \
     cmake \
       -DCMAKE_BUILD_TYPE="Release" \
       -DCMAKE_CXX_STANDARD=17 \
       -DABSL_BUILD_TESTING=OFF \
-      -DABSL_PROPAGATE_CXX_STD=ON \
       -DBUILD_SHARED_LIBS=yes \
       -S . -B cmake-out -GNinja && \
     cmake --build cmake-out --target install && \
@@ -96,20 +95,6 @@ RUN curl -fsSL https://github.com/google/benchmark/archive/v1.9.2.tar.gz | \
     ldconfig && \
     cd /var/tmp && rm -fr build
 
-WORKDIR /var/tmp/build/crc32c
-RUN curl -fsSL https://github.com/google/crc32c/archive/1.1.2.tar.gz | \
-    tar -xzf - --strip-components=1 && \
-    cmake \
-      -DCMAKE_BUILD_TYPE="Release" \
-      -DBUILD_SHARED_LIBS=yes \
-      -DCRC32C_BUILD_TESTS=OFF \
-      -DCRC32C_BUILD_BENCHMARKS=OFF \
-      -DCRC32C_USE_GLOG=OFF \
-      -S . -B cmake-out -GNinja && \
-    cmake --build cmake-out --target install && \
-    ldconfig && \
-    cd /var/tmp && rm -fr build
-
 WORKDIR /var/tmp/build/nlohmann-json
 RUN curl -fsSL https://github.com/nlohmann/json/archive/v3.11.3.tar.gz | \
     tar -xzf - --strip-components=1 && \
diff --git a/doc/packaging.md b/doc/packaging.md
index b2bd8cb7f5221..78d9a35c50c3b 100644
--- a/doc/packaging.md
+++ b/doc/packaging.md
@@ -188,7 +188,7 @@ development packages
 
 ```bash
 apk update && \
-    apk add abseil-cpp-dev crc32c-dev c-ares-dev curl-dev grpc-dev \
+    apk add abseil-cpp-dev c-ares-dev curl-dev grpc-dev \
         protobuf-dev nlohmann-json openssl-dev re2-dev
 ```
 
@@ -256,7 +256,7 @@ dependencies of `google-cloud-cpp`.
 ```bash
 sudo dnf makecache && \
 sudo dnf install -y protobuf-compiler protobuf-devel grpc-cpp grpc-devel \
-        json-devel libcurl-devel google-crc32c-devel openssl-devel
+        json-devel libcurl-devel openssl-devel
 ```
 
 #### Patching pkg-config
@@ -279,15 +279,6 @@ sudo make install && \
 sudo ldconfig && cd /var/tmp && rm -fr build
 ```
 
-Older versions of Fedora hard-code RE2 to use C++11. It was fixed starting with
-Fedora:38. If you using Fedora >= 38 or you are not planning to use
-`pkg-config(1)` you can ignore this step. Alternatively, you can install RE2 and
-gRPC from source.
-
-```
-sed -i 's/-std=c\+\+11 //' /usr/lib64/pkgconfig/re2.pc
-```
-
 The following steps will install libraries and tools in `/usr/local`. By
 default, pkgconf does not search in these directories. We need to explicitly set
 the search path.
@@ -365,7 +356,7 @@ Install some of the dependencies for `google-cloud-cpp`.
 ```bash
 sudo zypper refresh && \
 sudo zypper install --allow-downgrade -y abseil-cpp-devel c-ares-devel \
-        libcurl-devel libopenssl-devel libcrc32c-devel nlohmann_json-devel \
+        libcurl-devel libopenssl-devel nlohmann_json-devel \
         grpc-devel libprotobuf-devel
 ```
 
@@ -478,12 +469,11 @@ ln -s /usr/bin/pkgconf /usr/bin/pkg-config
 #### abseil
 
 mkdir -p $HOME/Downloads/abseil-cpp && cd $HOME/Downloads/abseil-cpp curl -fsSL
-https://github.com/abseil/abseil-cpp/archive/20250127.1.tar.gz | \
+https://github.com/abseil/abseil-cpp/archive/20250814.1.tar.gz | \
 tar -xzf - --strip-components=1 && \
 cmake \
 -DCMAKE_BUILD_TYPE=Release \
 -DABSL_BUILD_TESTING=OFF \
--DABSL_PROPAGATE_CXX_STD=ON \
 -DBUILD_SHARED_LIBS=yes \
 -S . -B cmake-out && \
 cmake --build cmake-out -- -j ${NCPU:-4} && \
@@ -553,18 +543,14 @@ sudo apt-get --no-install-recommends install -y apt-transport-https apt-utils \
 
 #### Abseil
 
-We need a recent version of Abseil. Enabling `ABSL_PROPAGATE_CXX_STD` propagates
-the version of C++ used to compile Abseil to anything that depends on Abseil.
-
 ```bash
 mkdir -p $HOME/Downloads/abseil-cpp && cd $HOME/Downloads/abseil-cpp
-curl -fsSL https://github.com/abseil/abseil-cpp/archive/20250127.1.tar.gz | \
+curl -fsSL https://github.com/abseil/abseil-cpp/archive/20250814.1.tar.gz | \
     tar -xzf - --strip-components=1 && \
     cmake \
       -DCMAKE_BUILD_TYPE=Release \
       -DCMAKE_CXX_STANDARD=17 \
       -DABSL_BUILD_TESTING=OFF \
-      -DABSL_PROPAGATE_CXX_STD=ON \
       -DBUILD_SHARED_LIBS=yes \
       -S . -B cmake-out && \
     cmake --build cmake-out -- -j ${NCPU:-4} && \
@@ -620,26 +606,6 @@ sudo cmake --build cmake-out --target install -- -j ${NCPU:-4} && \
 sudo ldconfig
 ```
 
-#### crc32c
-
-The project depends on the Crc32c library, we need to compile this from source:
-
-```bash
-mkdir -p $HOME/Downloads/crc32c && cd $HOME/Downloads/crc32c
-curl -fsSL https://github.com/google/crc32c/archive/1.1.2.tar.gz | \
-    tar -xzf - --strip-components=1 && \
-    cmake \
-        -DCMAKE_BUILD_TYPE=Release \
-        -DBUILD_SHARED_LIBS=yes \
-        -DCRC32C_BUILD_TESTS=OFF \
-        -DCRC32C_BUILD_BENCHMARKS=OFF \
-        -DCRC32C_USE_GLOG=OFF \
-        -S . -B cmake-out && \
-    cmake --build cmake-out -- -j ${NCPU:-4} && \
-sudo cmake --build cmake-out --target install -- -j ${NCPU:-4} && \
-sudo ldconfig
-```
-
 #### nlohmann_json library
 
 The project depends on the nlohmann_json library. We use CMake to install it as
@@ -725,18 +691,14 @@ sudo apt-get --no-install-recommends install -y apt-transport-https apt-utils \
 
 #### Abseil
 
-We need a recent version of Abseil. Enabling `ABSL_PROPAGATE_CXX_STD` propagates
-the version of C++ used to compile Abseil to anything that depends on Abseil.
-
 ```bash
 mkdir -p $HOME/Downloads/abseil-cpp && cd $HOME/Downloads/abseil-cpp
-curl -fsSL https://github.com/abseil/abseil-cpp/archive/20250127.1.tar.gz | \
+curl -fsSL https://github.com/abseil/abseil-cpp/archive/20250814.1.tar.gz | \
     tar -xzf - --strip-components=1 && \
     cmake \
       -DCMAKE_BUILD_TYPE=Release \
       -DCMAKE_CXX_STANDARD=17 \
       -DABSL_BUILD_TESTING=OFF \
-      -DABSL_PROPAGATE_CXX_STD=ON \
       -DBUILD_SHARED_LIBS=yes \
       -S . -B cmake-out && \
     cmake --build cmake-out -- -j ${NCPU:-4} && \
@@ -811,26 +773,6 @@ sudo cmake --build cmake-out --target install -- -j ${NCPU:-4} && \
 sudo ldconfig
 ```
 
-#### crc32c
-
-The project depends on the Crc32c library, we need to compile this from source:
-
-```bash
-mkdir -p $HOME/Downloads/crc32c && cd $HOME/Downloads/crc32c
-curl -fsSL https://github.com/google/crc32c/archive/1.1.2.tar.gz | \
-    tar -xzf - --strip-components=1 && \
-    cmake \
-        -DCMAKE_BUILD_TYPE=Release \
-        -DBUILD_SHARED_LIBS=yes \
-        -DCRC32C_BUILD_TESTS=OFF \
-        -DCRC32C_BUILD_BENCHMARKS=OFF \
-        -DCRC32C_USE_GLOG=OFF \
-        -S . -B cmake-out && \
-    cmake --build cmake-out -- -j ${NCPU:-4} && \
-sudo cmake --build cmake-out --target install -- -j ${NCPU:-4} && \
-sudo ldconfig
-```
-
 #### nlohmann_json library
 
 The project depends on the nlohmann_json library. We use CMake to install it as
@@ -947,12 +889,12 @@ export PKG_CONFIG_PATH=/usr/lib/x86_64-linux-gnu/pkgconfig:/usr/local/lib/pkgcon
 #### abseil
 
 mkdir -p $HOME/Downloads/abseil-cpp && cd $HOME/Downloads/abseil-cpp curl -fsSL
-https://github.com/abseil/abseil-cpp/archive/20250127.1.tar.gz | \
+https://github.com/abseil/abseil-cpp/archive/20250814.1.tar.gz | \
 tar -xzf - --strip-components=1 && \
 cmake \
 -DCMAKE_BUILD_TYPE=Release \
+-DCMAKE_CXX_STANDARD=17 \
 -DABSL_BUILD_TESTING=OFF \
--DABSL_PROPAGATE_CXX_STD=ON \
 -DBUILD_SHARED_LIBS=yes \
 -S . -B cmake-out && \
 cmake --build cmake-out -- -j ${NCPU:-4} && \
@@ -1022,19 +964,14 @@ sudo apt-get --no-install-recommends install -y apt-transport-https apt-utils \
 
 #### Abseil
 
-Debian 11 ships with Abseil==20200923.3. Unfortunately, the current gRPC version
-needs Abseil >= 20210324. Enabling `ABSL_PROPAGATE_CXX_STD` propagates the
-version of C++ used to compile Abseil to anything that depends on Abseil.
-
 ```bash
 mkdir -p $HOME/Downloads/abseil-cpp && cd $HOME/Downloads/abseil-cpp
-curl -fsSL https://github.com/abseil/abseil-cpp/archive/20250127.1.tar.gz | \
+curl -fsSL https://github.com/abseil/abseil-cpp/archive/20250814.1.tar.gz | \
     tar -xzf - --strip-components=1 && \
     cmake \
       -DCMAKE_BUILD_TYPE=Release \
       -DCMAKE_CXX_STANDARD=17 \
       -DABSL_BUILD_TESTING=OFF \
-      -DABSL_PROPAGATE_CXX_STD=ON \
       -DBUILD_SHARED_LIBS=yes \
       -S . -B cmake-out && \
     cmake --build cmake-out -- -j ${NCPU:-4} && \
@@ -1042,26 +979,6 @@ sudo cmake --build cmake-out --target install -- -j ${NCPU:-4} && \
 sudo ldconfig
 ```
 
-#### crc32c
-
-The project depends on the Crc32c library, we need to compile this from source:
-
-```bash
-mkdir -p $HOME/Downloads/crc32c && cd $HOME/Downloads/crc32c
-curl -fsSL https://github.com/google/crc32c/archive/1.1.2.tar.gz | \
-    tar -xzf - --strip-components=1 && \
-    cmake \
-        -DCMAKE_BUILD_TYPE=Release \
-        -DBUILD_SHARED_LIBS=yes \
-        -DCRC32C_BUILD_TESTS=OFF \
-        -DCRC32C_BUILD_BENCHMARKS=OFF \
-        -DCRC32C_USE_GLOG=OFF \
-        -S . -B cmake-out && \
-    cmake --build cmake-out -- -j ${NCPU:-4} && \
-sudo cmake --build cmake-out --target install -- -j ${NCPU:-4} && \
-sudo ldconfig
-```
-
 #### nlohmann_json library
 
 Debian 11 also ships with nlohmann-json==3.9.1, which is recent enough for our
@@ -1238,20 +1155,14 @@ export PATH=/usr/local/bin:${PATH}
 
 #### Abseil
 
-Rocky Linux 9 includes a package for Abseil, unfortunately, this package is
-incomplete, as it lacks the CMake support files for it. We need to compile
-Abseiil from source. Enabling `ABSL_PROPAGATE_CXX_STD` propagates the version of
-C++ used to compile Abseil to anything that depends on Abseil.
-
 ```bash
 mkdir -p $HOME/Downloads/abseil-cpp && cd $HOME/Downloads/abseil-cpp
-curl -fsSL https://github.com/abseil/abseil-cpp/archive/20250127.1.tar.gz | \
+curl -fsSL https://github.com/abseil/abseil-cpp/archive/20250814.1.tar.gz | \
     tar -xzf - --strip-components=1 && \
     cmake \
       -DCMAKE_BUILD_TYPE=Release \
         -DCMAKE_CXX_STANDARD=17 \
       -DABSL_BUILD_TESTING=OFF \
-      -DABSL_PROPAGATE_CXX_STD=ON \
       -DBUILD_SHARED_LIBS=yes \
       -S . -B cmake-out && \
     cmake --build cmake-out -- -j ${NCPU:-4} && \
@@ -1329,26 +1240,6 @@ sudo cmake --build cmake-out --target install -- -j ${NCPU:-4} && \
 sudo ldconfig
 ```
 
-#### crc32c
-
-The project depends on the Crc32c library, we need to compile this from source:
-
-```bash
-mkdir -p $HOME/Downloads/crc32c && cd $HOME/Downloads/crc32c
-curl -fsSL https://github.com/google/crc32c/archive/1.1.2.tar.gz | \
-    tar -xzf - --strip-components=1 && \
-    cmake \
-        -DCMAKE_BUILD_TYPE=Release \
-        -DBUILD_SHARED_LIBS=yes \
-        -DCRC32C_BUILD_TESTS=OFF \
-        -DCRC32C_BUILD_BENCHMARKS=OFF \
-        -DCRC32C_USE_GLOG=OFF \
-        -S . -B cmake-out && \
-    cmake --build cmake-out -- -j ${NCPU:-4} && \
-sudo cmake --build cmake-out --target install -- -j ${NCPU:-4} && \
-sudo ldconfig
-```
-
 #### nlohmann_json library
 
 The project depends on the nlohmann_json library. We use CMake to install it as
diff --git a/google/cloud/storage/config-grpc.cmake.in b/google/cloud/storage/config-grpc.cmake.in
index 4a205b397ec52..ed7cab8090484 100644
--- a/google/cloud/storage/config-grpc.cmake.in
+++ b/google/cloud/storage/config-grpc.cmake.in
@@ -18,6 +18,5 @@ find_dependency(google_cloud_cpp_googleapis)
 find_dependency(google_cloud_cpp_grpc_utils)
 find_dependency(google_cloud_cpp_opentelemetry)
 find_dependency(absl)
-find_dependency(Crc32c)
 
 include("${CMAKE_CURRENT_LIST_DIR}/storage_grpc-targets.cmake")