Fixed 1.5.3 CHANGELOG.

(cherry picked from commit 3c1bfab74b0ca37a574124be0bd7816eda2355b4)
diff --git a/CHANGELOG b/CHANGELOG
index 0cf63a0..42e9ef6 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,14 +1,27 @@
-Release Notes - Mesos - Version 1.5.3 (WIP)
--------------------------------------------
+Release Notes - Mesos - Version 1.5.3
+-------------------------------------
 * This is a bug fix release.
 
 ** Bug
+  * [MESOS-7474] - Mesos fetcher cache doesn't retry when missed.
   * [MESOS-8887] - Unreachable tasks are not GC'ed when unreachable agent is GC'ed.
-  * [MESOS-9210] - Mesos v1 scheduler library does not properly handle SUBSCRIBE retries.
+  * [MESOS-8907] - Docker image fetcher fails with HTTP/2.
+  * [MESOS-9210] - Mesos v1 scheduler library does not properly handle SUBSCRIBE retries
+  * [MESOS-9317] - Some master endpoints do not handle failed authorization properly.
+  * [MESOS-9332] - Nested container should run as the same user of its parent container by default.
+  * [MESOS-9334] - Container stuck at ISOLATING state due to libevent poll never returns.
+  * [MESOS-9362] - Test `CgroupsIsolatorTest.ROOT_CGROUPS_CreateRecursively` is flaky.
+  * [MESOS-9411] - Validation of JWT tokens using HS256 hashing algorithm is not thread safe.
+  * [MESOS-9492] - Persist CNI working directory across reboot.
   * [MESOS-9507] - Agent could not recover due to empty docker volume checkpointed files.
+  * [MESOS-9518] - CNI_NETNS should not be set for orphan containers that do not have network namespace.
   * [MESOS-9532] - ResourceOffersTest.ResourceOfferWithMultipleSlaves is flaky.
   * [MESOS-9533] - CniIsolatorTest.ROOT_CleanupAfterReboot is flaky.
   * [MESOS-9555] - Allocator CHECK failure: reservationScalarQuantities.contains(role).
+  * [MESOS-9581] - Mesos package naming appears to be undeterministic.
+
+** Improvement:
+  * [MESOS-9305] - Create cgoup recursively to workaround systemd deleting cgroups_root.
 
 
 Release Notes - Mesos - Version 1.5.2