Backport PR #546 on branch 3.x (PR: Update changelog for 3.0.5) (#547)

Author: meeseeksmachine

CHANGELOG.md

@@ -1,5 +1,15 @@
 # History of changes
 
+## Version 3.0.5 (2025/05/21)
+
+### Pull Requests Merged
+
+* [PR 544](https://github.com/spyder-ide/spyder-kernels/pull/544) - PR: Add minimal required version of `traitlets`, by [@ccordoba12](https://github.com/ccordoba12)
+
+In this release 1 pull request was closed.
+
+----
+
 ## Version 3.0.4 (2025-05-13)
 
 ### Pull Requests Merged

RELEASE.md

@@ -1,13 +1,19 @@
-To release a new version of spyder-kernels on PyPI:
+# Instructions to release a new Spyder-kernels version
+
+## Before starting the release
+
+* Create a PR against `master` to update the Changelog with the following command:
+
+    `loghub spyder-ide/spyder-kernels -m vX.X.X`
+
+## To release a new version on PyPI
 
 * Close the respective milestone on Github
 
 * git checkout 3.x
 
 * git fetch upstream && get merge upstream/3.x
 
-* Update CHANGELOG.md with `loghub spyder-ide/spyder-kernels -m vX.X.X`
-
 * git clean -xfdi
 
 * Update `_version.py` (set release version, remove 'dev0')