diff --git a/CHANGELOG.md b/CHANGELOG.md
index c3c69c18f..0d964980d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,9 +2,22 @@
 
 ## [Unreleased]
 
+### ADD
+
+- PHP/8.3.21 [David Zuelke]
+- PHP/8.4.7 [David Zuelke]
+- ext-phalcon/5.9.3 [David Zuelke]
+- ext-grpc/1.72.0 [David Zuelke]
+- ext-newrelic/11.9.0.23 [David Zuelke]
+- ext-uuid/1.3.0 [David Zuelke]
+
 ### CHG
 
 - Remove support for heroku-20 [David Zuelke]
+- Default to stable "snapshots" of platform package repositories [David Zuelke]
+- librdkafka/2.10.0 [David Zuelke]
+- Nginx/1.28.0 [David Zuelke]
+- Composer/2.8.9 [David Zuelke]
 
 ## [v265] - 2025-04-11
 
diff --git a/bin/compile b/bin/compile
index ba641c96b..9b6763ad6 100755
--- a/bin/compile
+++ b/bin/compile
@@ -263,7 +263,7 @@ fi
 mkdir -p $build_dir/.heroku/php-min
 ln -s $build_dir/.heroku/php-min /app/.heroku/php-min
 
-curl_retry_on_18 --retry-connrefused --retry 3 --connect-timeout 10 --fail --silent --location -o $build_dir/.heroku/php-min.tar.gz "${s3_url}php-min-8.3.20.tar.gz" || {
+curl_retry_on_18 --retry-connrefused --retry 3 --connect-timeout 10 --fail --silent --location -o $build_dir/.heroku/php-min.tar.gz "${s3_url}php-min-8.3.21.tar.gz" || {
 	mcount "failures.bootstrap.download.php-min"
 	error <<-EOF
 		Failed to download minimal PHP for bootstrapping!
@@ -276,7 +276,7 @@ curl_retry_on_18 --retry-connrefused --retry 3 --connect-timeout 10 --fail --sil
 tar xzf $build_dir/.heroku/php-min.tar.gz -C $build_dir/.heroku/php-min
 rm $build_dir/.heroku/php-min.tar.gz
 
-curl_retry_on_18 --retry-connrefused --retry 3 --connect-timeout 10 --fail --silent --location -o $build_dir/.heroku/composer.tar.gz "${s3_url}composer-2.8.8.tar.gz" || {
+curl_retry_on_18 --retry-connrefused --retry 3 --connect-timeout 10 --fail --silent --location -o $build_dir/.heroku/composer.tar.gz "${s3_url}composer-2.8.9.tar.gz" || {
 	mcount "failures.bootstrap.download.composer"
 	error <<-EOF
 		Failed to download Composer for bootstrapping!
diff --git a/support/build/composer-2.8.8 b/support/build/composer-2.8.9
similarity index 100%
rename from support/build/composer-2.8.8
rename to support/build/composer-2.8.9
diff --git a/support/build/extensions/no-debug-non-zts-20210902/grpc-1.71.0 b/support/build/extensions/no-debug-non-zts-20210902/grpc-1.72.0
similarity index 100%
rename from support/build/extensions/no-debug-non-zts-20210902/grpc-1.71.0
rename to support/build/extensions/no-debug-non-zts-20210902/grpc-1.72.0
diff --git a/support/build/extensions/no-debug-non-zts-20210902/mongodb-2.0.0 b/support/build/extensions/no-debug-non-zts-20210902/mongodb-2.0.0
index 8e046fb9a..5b1f84b1a 100755
--- a/support/build/extensions/no-debug-non-zts-20210902/mongodb-2.0.0
+++ b/support/build/extensions/no-debug-non-zts-20210902/mongodb-2.0.0
@@ -2,4 +2,4 @@
 # Build Path: /app/.heroku/php
 # Build Deps: php-8.1.*
 
-source $(dirname $0)/../no-debug-non-zts-20180731/mongodb
+source $(dirname $0)/../no-debug-non-zts-20210902/mongodb
diff --git a/support/build/extensions/no-debug-non-zts-20210902/newrelic-11.7.0.21 b/support/build/extensions/no-debug-non-zts-20210902/newrelic-11.9.0.23
similarity index 100%
rename from support/build/extensions/no-debug-non-zts-20210902/newrelic-11.7.0.21
rename to support/build/extensions/no-debug-non-zts-20210902/newrelic-11.9.0.23
diff --git a/support/build/extensions/no-debug-non-zts-20210902/phalcon-5.9.2 b/support/build/extensions/no-debug-non-zts-20210902/phalcon-5.9.3
similarity index 100%
rename from support/build/extensions/no-debug-non-zts-20210902/phalcon-5.9.2
rename to support/build/extensions/no-debug-non-zts-20210902/phalcon-5.9.3
diff --git a/support/build/extensions/no-debug-non-zts-20210902/uuid-1.2.1 b/support/build/extensions/no-debug-non-zts-20210902/uuid-1.3.0
similarity index 100%
rename from support/build/extensions/no-debug-non-zts-20210902/uuid-1.2.1
rename to support/build/extensions/no-debug-non-zts-20210902/uuid-1.3.0
diff --git a/support/build/extensions/no-debug-non-zts-20220829/grpc-1.71.0 b/support/build/extensions/no-debug-non-zts-20220829/grpc-1.72.0
similarity index 100%
rename from support/build/extensions/no-debug-non-zts-20220829/grpc-1.71.0
rename to support/build/extensions/no-debug-non-zts-20220829/grpc-1.72.0
diff --git a/support/build/extensions/no-debug-non-zts-20220829/newrelic-11.7.0.21 b/support/build/extensions/no-debug-non-zts-20220829/newrelic-11.9.0.23
similarity index 100%
rename from support/build/extensions/no-debug-non-zts-20220829/newrelic-11.7.0.21
rename to support/build/extensions/no-debug-non-zts-20220829/newrelic-11.9.0.23
diff --git a/support/build/extensions/no-debug-non-zts-20220829/phalcon-5.9.2 b/support/build/extensions/no-debug-non-zts-20220829/phalcon-5.9.3
similarity index 100%
rename from support/build/extensions/no-debug-non-zts-20220829/phalcon-5.9.2
rename to support/build/extensions/no-debug-non-zts-20220829/phalcon-5.9.3
diff --git a/support/build/extensions/no-debug-non-zts-20220829/uuid-1.2.1 b/support/build/extensions/no-debug-non-zts-20220829/uuid-1.3.0
similarity index 100%
rename from support/build/extensions/no-debug-non-zts-20220829/uuid-1.2.1
rename to support/build/extensions/no-debug-non-zts-20220829/uuid-1.3.0
diff --git a/support/build/extensions/no-debug-non-zts-20230831/grpc-1.71.0 b/support/build/extensions/no-debug-non-zts-20230831/grpc-1.72.0
similarity index 100%
rename from support/build/extensions/no-debug-non-zts-20230831/grpc-1.71.0
rename to support/build/extensions/no-debug-non-zts-20230831/grpc-1.72.0
diff --git a/support/build/extensions/no-debug-non-zts-20230831/newrelic-11.7.0.21 b/support/build/extensions/no-debug-non-zts-20230831/newrelic-11.9.0.23
similarity index 100%
rename from support/build/extensions/no-debug-non-zts-20230831/newrelic-11.7.0.21
rename to support/build/extensions/no-debug-non-zts-20230831/newrelic-11.9.0.23
diff --git a/support/build/extensions/no-debug-non-zts-20230831/phalcon-5.9.2 b/support/build/extensions/no-debug-non-zts-20230831/phalcon-5.9.3
similarity index 100%
rename from support/build/extensions/no-debug-non-zts-20230831/phalcon-5.9.2
rename to support/build/extensions/no-debug-non-zts-20230831/phalcon-5.9.3
diff --git a/support/build/extensions/no-debug-non-zts-20230831/uuid-1.2.1 b/support/build/extensions/no-debug-non-zts-20230831/uuid-1.3.0
similarity index 100%
rename from support/build/extensions/no-debug-non-zts-20230831/uuid-1.2.1
rename to support/build/extensions/no-debug-non-zts-20230831/uuid-1.3.0
diff --git a/support/build/extensions/no-debug-non-zts-20240924/grpc-1.71.0 b/support/build/extensions/no-debug-non-zts-20240924/grpc-1.72.0
similarity index 100%
rename from support/build/extensions/no-debug-non-zts-20240924/grpc-1.71.0
rename to support/build/extensions/no-debug-non-zts-20240924/grpc-1.72.0
diff --git a/support/build/extensions/no-debug-non-zts-20240924/newrelic-11.7.0.21 b/support/build/extensions/no-debug-non-zts-20240924/newrelic-11.9.0.23
similarity index 100%
rename from support/build/extensions/no-debug-non-zts-20240924/newrelic-11.7.0.21
rename to support/build/extensions/no-debug-non-zts-20240924/newrelic-11.9.0.23
diff --git a/support/build/extensions/no-debug-non-zts-20240924/phalcon-5.9.2 b/support/build/extensions/no-debug-non-zts-20240924/phalcon-5.9.3
similarity index 100%
rename from support/build/extensions/no-debug-non-zts-20240924/phalcon-5.9.2
rename to support/build/extensions/no-debug-non-zts-20240924/phalcon-5.9.3
diff --git a/support/build/extensions/no-debug-non-zts-20240924/uuid-1.2.1 b/support/build/extensions/no-debug-non-zts-20240924/uuid-1.3.0
similarity index 58%
rename from support/build/extensions/no-debug-non-zts-20240924/uuid-1.2.1
rename to support/build/extensions/no-debug-non-zts-20240924/uuid-1.3.0
index 2fb9738b4..195d6ae98 100755
--- a/support/build/extensions/no-debug-non-zts-20240924/uuid-1.2.1
+++ b/support/build/extensions/no-debug-non-zts-20240924/uuid-1.3.0
@@ -2,4 +2,4 @@
 # Build Path: /app/.heroku/php
 # Build Deps: php-8.4.*
 
-source $(dirname $0)/../no-debug-non-zts-20180731/uuid
+source $(dirname $0)/../no-debug-non-zts-20210902/uuid
diff --git a/support/build/libraries/librdkafka-2.5.0 b/support/build/libraries/librdkafka-2.10.0
similarity index 100%
rename from support/build/libraries/librdkafka-2.5.0
rename to support/build/libraries/librdkafka-2.10.0
diff --git a/support/build/nginx b/support/build/nginx
index cc19bf952..4ba66272e 100755
--- a/support/build/nginx
+++ b/support/build/nginx
@@ -45,7 +45,7 @@ VAR=${OUT_PREFIX}/var
 	--http-uwsgi-temp-path=${VAR}/run/nginx/uwsgi_temp \
 	--http-scgi-temp-path=${VAR}/run/nginx/scgi_temp \
 	--http-log-path=${VAR}/log/nginx/access.log \
-	--error-log-path=${VAR}/log/nginx/error.log \
+	--error-log-path=stderr \
 	--with-http_auth_request_module \
 	--with-http_realip_module \
 	--with-http_ssl_module \
diff --git a/support/build/nginx-1.26.3 b/support/build/nginx-1.28.0
similarity index 100%
rename from support/build/nginx-1.26.3
rename to support/build/nginx-1.28.0
diff --git a/support/build/php-8.3.20 b/support/build/php-8.3.21
similarity index 100%
rename from support/build/php-8.3.20
rename to support/build/php-8.3.21
diff --git a/support/build/php-8.4.6 b/support/build/php-8.4.7
similarity index 100%
rename from support/build/php-8.4.6
rename to support/build/php-8.4.7
diff --git a/support/build/php-min-8.3.20 b/support/build/php-min-8.3.21
similarity index 100%
rename from support/build/php-min-8.3.20
rename to support/build/php-min-8.3.21