diff --git a/CHANGELOG.md b/CHANGELOG.md
index 90cf42ccc0a..10feb9519fb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,97 @@
+# [MongooseIM 6.3.0](https://github.com/esl/MongooseIM/releases/tag/6.3.0) - 2024-10-22
+
+## Highlights
+- Improved instrumentation with better configurability, Prometheus support and user-friendly features
+- Docker images are smaller and free of reported vulnerabilities
+- Improved WebSocket's stream management support
+- Erlang 27 compatibility
+- Added support for CockroachDB as a new RDBMS
+- Various improvements and fixes
+
+## Added
+- Instrumentation (#4223, #4226)
+  - Modules:
+    - `mod_mam` (#4224, #4253, #4265, #4352)
+    - `mod_muc` (#4268)
+    - `mod_bosh` (#4281)
+    - `mod_csi` (#4284)
+    - `mod_event_pusher` (#4285)
+    - `mod_ping` (#4288)
+    - `mod_global_distrib` (#4292)
+    - `mod_pubsub` (#4297)
+    - `mod_websoctkets` (#4299)
+  - Hooks (#4289):
+     - Privacy (#4298)
+     - Authentication (#4301)
+     - Session (#4305)
+     - C2S (#4310)
+     - Roster (#4295)
+     - Unified names (#4287)
+  - Tests:
+     - Unit (#4227)
+     - CETS (#4296)
+     - Prometheus endpoint (#4335)
+     - More specific assertions for events (#4312)
+  - `async_pools` (#4337)
+  - `mongoose_wpool` (#4306)
+  - `mongoose_backend` (#4282)
+  - `mongoose_user_cache` (#4323)
+  - Router, S2S and component (#4319)
+  - Probes (#4272)
+  - Logging support (#4238)
+  - Dynamic handlers (#4247)
+  - C2S TCP/TLS listener (#4304)
+  - Authentication events (#4311)
+  - Session management (#4313)
+  - Global probes and counters (#4317)
+  - Documentation (#4355, #4358, #4360, #4382)
+  - Misc (#4228, #4249, #4324, #4368)
+- Erlang doctor utilities (#4264)
+- Error text when message with given ID is not found (#4302)
+- Error IQ when SQL query fails in MAM (#4308)
+- Erlang 27 support (#4334, #4331, #4338, #4348, #4345)
+- CockroachDB support (#4378)
+
+## Changed
+- Upgraded CETS to the latest version (#4271)
+- Optimized node cleanup for `mod_last` (#4274)
+- Upgraded test dependencies (#4275)
+- Moved Exometer reporters config to `mongooseim.toml` (#4326)
+- Upgraded `fast_tls` (#4330)
+- Privacy IQs sent to users are treated as regular stanzas (#4361)
+- Renaming `c2s_state_timeout` option (#4363)
+- Moved docker repository to 'erlangsolutions' organization (#4372)
+- Docker image to the one based on Ubuntu 24.10 (#4375)
+
+## Fixed
+- Starting CETS for `persistent_cluster_id` (#4245)
+- Package building scripts (#4273)
+- S2S DNS discovery (#4278)
+- Timestamps for MUC legacy messages (#4294)
+- Improved stream management support for WebSockets (#4303)
+- GraphQL SSE crash with large stanza payloads (#4364)
+- Double message in MAM bug (#4374)
+- Building docker image locally (#4377)
+
+## Removed
+- CentOS support (#4314)
+- geas dependency of GraphQL (#4332)
+- Old `mongoose_metrics` module (#4353)
+
+## Other
+- Documentation improvements (#4266, #4277, #4327, #4341, #4354, #4356, #4376, #4383)
+- Testing improvements/fixes (#4267, #4270, #4279, #4286, #4307, #4315, #4321, #4339, #4342, #4351, #4357, #4362, #4373)
+- CI improvements/fixes (#4276, #4329, #4346, #4350, #4365, #4366, #4367, #4369, #4370)
+
+## Commits, merged PRs and closed issues
+- [List of merged PRs](https://github.com/esl/MongooseIM/pulls?q=is%3Apr+is%3Amerged+milestone%3A6.3.0)
+
+- [List of closed issues](https://github.com/esl/MongooseIM/issues?q=is%3Aissue+is%3Aclosed+closed%3A2024-04-12..2024-10-22)
+
+- [Repository history for this release](https://github.com/esl/MongooseIM/graphs/contributors?from=2024-04-12&to=2024-10-22&type=c)
+
+- [List of merged PRs based on merge date](https://github.com/esl/MongooseIM/pulls?q=is%3Apr+is%3Amerged+milestone%3A6.3.0+sort%3Aupdated-desc)
+
 # [MongooseIM 6.2.1](https://github.com/esl/MongooseIM/releases/tag/6.2.1) - 2024-04-12
 
 ## Highlights
diff --git a/README.md b/README.md
index e004b061c72..cec1e25667c 100644
--- a/README.md
+++ b/README.md
@@ -63,6 +63,7 @@ Check out our test results:
 See the documentation for the latest releases:
 
 * [Master](https://esl.github.io/MongooseDocs/latest/)
+* [6.3.0](https://esl.github.io/MongooseDocs/6.3.0/)
 * [6.2.1](https://esl.github.io/MongooseDocs/6.2.1/)
 * [6.2.0](https://esl.github.io/MongooseDocs/6.2.0/)
 * [6.1.0](https://esl.github.io/MongooseDocs/6.1.0/)
diff --git a/VERSION b/VERSION
index 024b066c0bb..798e38995c4 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-6.2.1
+6.3.0
diff --git a/doc/History.md b/doc/History.md
index 714eca8ac20..e7035b7701a 100644
--- a/doc/History.md
+++ b/doc/History.md
@@ -1,6 +1,6 @@
 # MongooseIM history
 
-## 2023-2024: C2S and CETS
+## 2023-2024: C2S, CETS and Instrumentation
 
 Created an alternative to Mnesia RAM-only tables - CETS.
 It allows to run MongooseIM without Mnesia completely in RDBMS+CETS setup.
@@ -10,8 +10,11 @@ Added Docker image for arm64.
 
 Enhanced CETS, configurable pools, and traffic shaping updates.
 
+Improved instrumentation with enhanced configurability, Prometheus support and a more user-friendly experience.
+
 Releases:
 
+* [MongooseIM 6.3.0](https://github.com/esl/MongooseIM/releases/tag/6.3.0) in October 2024.
 * [MongooseIM 6.2.1](https://github.com/esl/MongooseIM/releases/tag/6.2.1) in April 2024.
 * [MongooseIM 6.2.0](https://github.com/esl/MongooseIM/releases/tag/6.2.0) in December 2023.
 * [MongooseIM 6.1.0](https://github.com/esl/MongooseIM/releases/tag/6.1.0) in May 2023.
diff --git a/doc/index.md b/doc/index.md
index 0aca0ca2ccb..e45b9a71b9b 100644
--- a/doc/index.md
+++ b/doc/index.md
@@ -80,6 +80,7 @@ Check out our test results:
 See the documentation for the latest releases:
 
 * [Master](https://esl.github.io/MongooseDocs/latest/)
+* [6.3.0](https://esl.github.io/MongooseDocs/6.3.0/)
 * [6.2.1](https://esl.github.io/MongooseDocs/6.2.1/)
 * [6.2.0](https://esl.github.io/MongooseDocs/6.2.0/)
 * [6.1.0](https://esl.github.io/MongooseDocs/6.1.0/)
diff --git a/doc/migrations/6.2.1_x.x.x.md b/doc/migrations/6.2.1_6.3.0.md
similarity index 96%
rename from doc/migrations/6.2.1_x.x.x.md
rename to doc/migrations/6.2.1_6.3.0.md
index aac70bc2cc2..19a50eeb27c 100644
--- a/doc/migrations/6.2.1_x.x.x.md
+++ b/doc/migrations/6.2.1_6.3.0.md
@@ -63,7 +63,7 @@ The simplest configuration to have it available on port `9090` on the `/metrcis`
     ```toml
     [[listen.http]]
       port = 9090
-      
+
       [[listen.http.handlers.mongoose_prometheus_handler]]
         host = "_"
         path = "/metrics"
@@ -122,5 +122,3 @@ To configure CockroachDB, update the connection settings in your configuration f
 ```
 
 Refer to the [Outgoing connections configuration doc](../configuration/outgoing-connections.md) for more information.
-
-The migration script for CockroachDB , `cockroachdb.sql` is located in the [`priv/migrations`](https://github.com/esl/MongooseIM/tree/master/priv/migrations) directory.
\ No newline at end of file
diff --git a/mkdocs.yml b/mkdocs.yml
index 6e9ebf878cb..948b59a4adf 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -213,7 +213,7 @@ nav:
       - '6.0.0 to 6.1.0': 'migrations/6.0.0_6.1.0.md'
       - '6.1.0 to 6.2.0': 'migrations/6.1.0_6.2.0.md'
       - '6.2.0 to 6.2.1': 'migrations/6.2.0_6.2.1.md'
-      - '6.2.1 to x.x.x': 'migrations/6.2.1_x.x.x.md'
+      - '6.2.1 to 6.3.0': 'migrations/6.2.1_6.3.0.md'
       - 'MAM MUC migration helper': 'migrations/jid-from-mam-muc-script.md'
   - 'Contributions to the Ecosystem': 'Contributions.md'
   - 'MongooseIM History': 'History.md'