diff --git a/trunk/auto/options.sh b/trunk/auto/options.sh
index e3829ba90..039b9e57d 100755
--- a/trunk/auto/options.sh
+++ b/trunk/auto/options.sh
@@ -69,7 +69,7 @@ SRS_LOG_LEVEL_V2=YES
 # Experts options.
 SRS_USE_SYS_SSL=NO # Use system ssl(-lssl) if required.
 SRS_VALGRIND=NO
-SRS_SANITIZER=NO
+SRS_SANITIZER=RESERVED
 SRS_SANITIZER_STATIC=NO
 SRS_SANITIZER_LOG=NO
 SRS_BUILD_TAG= # Set the object files tag name.
@@ -518,7 +518,7 @@ function apply_auto_options() {
 
     # Enable asan, but disable for Centos
     # @see https://github.com/ossrs/srs/issues/3347
-    if [[ $SRS_SANITIZER == NO && $OS_IS_CENTOS != YES ]]; then
+    if [[ $SRS_SANITIZER == RESERVED && $OS_IS_CENTOS != YES ]]; then
         echo "Enable asan by auto options."
         SRS_SANITIZER=YES
     fi
@@ -591,6 +591,8 @@ function apply_detail_options() {
     if [[ $SRS_HTTP_API == NO ]]; then SRS_HTTP_API=YES; echo -e "${YELLOW}[WARN] Always enable HTTP API.${BLACK}"; fi
     if [[ $SRS_HLS == NO ]]; then SRS_HLS=YES; echo -e "${YELLOW}[WARN] Always enable HLS.${BLACK}"; fi
     if [[ $SRS_DVR == NO ]]; then SRS_DVR=YES; echo -e "${YELLOW}[WARN] Always enable DVR.${BLACK}"; fi
+
+    if [[ $SRS_SANITIZER == RESERVED ]]; then SRS_SANITIZER == NO; fi
 }
 apply_detail_options
 
diff --git a/trunk/doc/CHANGELOG.md b/trunk/doc/CHANGELOG.md
index 48bea3f87..a6bab0507 100644
--- a/trunk/doc/CHANGELOG.md
+++ b/trunk/doc/CHANGELOG.md
@@ -7,7 +7,7 @@ The changelog for SRS.
 <a name="v5-changes"></a>
 
 ## SRS 5.0 Changelog
-
+* v5.0, 2023-07-26, Merge [#3699](https://github.com/ossrs/srs/pull/3699): Bugfix: Eliminate the redundant declaration of the _srs_rtc_manager variable.. v5.0.168 (#3699)
 * v5.0, 2023-07-21, Merge [#3695](https://github.com/ossrs/srs/pull/3695): API: Fix HTTPS callback issue using SNI in TLS client handshake. v5.0.168 (#3695)
 * v5.0, 2023-07-18, Merge [#3515](https://github.com/ossrs/srs/pull/3515): WebRTC: Support config the bitrate of transcoding AAC to Opus. v5.0.167 (#3515)
 * v5.0, 2023-07-09, Merge [#3615](https://github.com/ossrs/srs/pull/3615): Compile: Fix typo for 3rdparty. v5.0.166 (#3615)
@@ -168,7 +168,6 @@ The changelog for SRS.
 <a name="v4-changes"></a>
 
 ## SRS 4.0 Changelog
-
 * v4.0, 2023-07-21, Merge [#3695](https://github.com/ossrs/srs/pull/3695): API: Fix HTTPS callback issue using SNI in TLS client handshake. v4.0.270 (#3695)
 * v4.0, 2022-12-24, For [#296](https://github.com/ossrs/srs/issues/296): MP3: Fix bug for TS or HLS with mp3 codec. v4.0.269
 * v4.0, 2022-11-22, Pick [#3079](https://github.com/ossrs/srs/issues/3079): WebRTC: Fix no audio and video issue for Firefox. v4.0.268
@@ -411,7 +410,6 @@ The changelog for SRS.
 <a name="v3-changes"></a>
 
 ## SRS 3.0 Changelog
-
 * v3.0, 2021-05-12, Fix [#2311](https://github.com/ossrs/srs/issues/2311), Copy the request for stat client. 3.0.162
 * <strong>v3.0, 2021-04-28, [3.0 release5(3.0.161)](https://github.com/ossrs/srs/releases/tag/v3.0-r5) released. 122750 lines.</strong>
 * v3.0, 2021-04-28, Upgrade players. 3.0.161
@@ -616,7 +614,6 @@ The changelog for SRS.
 <a name="v2-changes"></a>
 
 ## SRS 2.0 Changelog
-
 * <strong>v2.0, 2020-01-25, [2.0 release8(2.0.272)](https://github.com/ossrs/srs/releases/tag/v2.0-r8) released. 87292 lines.</strong>
 * v2.0, 2020-01-08, Merge [#1554](https://github.com/ossrs/srs/issues/1554), support logrotate copytruncate. 2.0.272
 * v2.0, 2020-01-05, Merge [#1551](https://github.com/ossrs/srs/issues/1551), fix memory leak in RTSP stack. 2.0.270
diff --git a/trunk/src/app/srs_app_threads.cpp b/trunk/src/app/srs_app_threads.cpp
index bbf2a40b7..d1d14bfce 100644
--- a/trunk/src/app/srs_app_threads.cpp
+++ b/trunk/src/app/srs_app_threads.cpp
@@ -64,16 +64,11 @@ extern SrsStageManager* _srs_stages;
 extern SrsRtcBlackhole* _srs_blackhole;
 extern SrsResourceManager* _srs_rtc_manager;
 
-extern SrsResourceManager* _srs_rtc_manager;
 extern SrsDtlsCertificate* _srs_rtc_dtls_certificate;
 #endif
 
 #include <srs_protocol_kbps.hpp>
 
-extern SrsPps* _srs_pps_snack2;
-extern SrsPps* _srs_pps_snack3;
-extern SrsPps* _srs_pps_snack4;
-
 SrsPps* _srs_pps_aloss2 = NULL;
 
 extern SrsPps* _srs_pps_ids;
diff --git a/trunk/src/core/srs_core.hpp b/trunk/src/core/srs_core.hpp
index 9aaa0ded8..03fbdf3f8 100644
--- a/trunk/src/core/srs_core.hpp
+++ b/trunk/src/core/srs_core.hpp
@@ -29,7 +29,7 @@
 #define RTMP_SIG_SRS_DOMAIN "ossrs.net"
 
 // The current stable release.
-#define VERSION_STABLE 4
+#define VERSION_STABLE 5
 #define VERSION_STABLE_BRANCH SRS_XSTR(VERSION_STABLE) ".0release"
 
 // For platform specified headers and defines.
diff --git a/trunk/src/core/srs_core_version5.hpp b/trunk/src/core/srs_core_version5.hpp
index 908552475..8e8863f5a 100644
--- a/trunk/src/core/srs_core_version5.hpp
+++ b/trunk/src/core/srs_core_version5.hpp
@@ -9,6 +9,6 @@
 
 #define VERSION_MAJOR       5
 #define VERSION_MINOR       0
-#define VERSION_REVISION    168
+#define VERSION_REVISION    169
 
 #endif