v6 release notes (#932)

Author: FZambia

misc/release/notes.md

@@ -6,21 +6,15 @@ Several official client SDKs for browser and mobile development wrap the bidirec
 
 For details, go to the [Centrifugo documentation site](https://centrifugal.dev).
 
-## What's changed
+## Centrifugo v6 released 💻✨🔮✨💻
 
-### Improvements
-
-* Change Dockerfile to run `centrifugo` under non-root user [#922](https://github.com/centrifugal/centrifugo/pull/922) by @dmeremyanin
-* Update `alpine` base image from 3.18 to 3.21 in Centrifugo Dockerfile
+We are excited to announce Centrifugo v6 – a new major release that is now live. This release includes fundamental improvements in the configuration to simplify working with Centrifugo from both user and core development perspectives. It also adds several useful features and enhances observability for both Centrifugo OSS and Centrifugo PRO.
 
-### Fixes
+### Improvements
 
-* Fix a deadlock during pub/sub and recovery sync when using Redis engine and server-side subscriptions, fixes [#925](https://github.com/centrifugal/centrifugo/issues/925)
-* Fix pause/resume race in Kafka async consumer [#927](https://github.com/centrifugal/centrifugo/pull/927) – the race could lead to a partition non being processed, while in normal condition the chance of the race is minimal, this was observed in a real system under CPU throttling conditions.
-* Fix flaky `TestHandleRefreshWithoutProxyServerStart` test [#920](https://github.com/centrifugal/centrifugo/pull/920) by @makhov
+See the details in the [Centrifugo v6 release blog post](https://centrifugal.dev/blog/2025/01/16/centrifugo-v6-released)
 
 ### Miscellaneous
 
 * This release is built with Go 1.23.4.
-* Check out the [Centrifugo v6 roadmap](https://github.com/centrifugal/centrifugo/issues/832). It outlines important changes planned for the next major release. We have already started working on v6 and are sharing updates in the issue and our community channels.
-* See also the corresponding [Centrifugo PRO release](https://github.com/centrifugal/centrifugo-pro/releases/tag/v5.4.10).
+* See also the corresponding [Centrifugo PRO release](https://github.com/centrifugal/centrifugo-pro/releases/tag/v6.0.0).