Prepare version 2.3.1 (#1102)

Author: maximlt

doc/_static/switcher.json

@@ -1,7 +1,7 @@
 [
   {
     "name": "2.3 (latest)",
-    "version": "2.3.0",
+    "version": "2.3.1",
     "url": "https://param.holoviz.org/en/docs/latest/",
     "preferred": true
   },

doc/conf.py

@@ -113,6 +113,8 @@ def patch_get_import_prefixes_from_env(env) -> list[str | None]:
         "version_match": switcher_version,
     },
     "show_version_warning_banner": True,
+    "announcement": "Param 2.3 has just been released! Check out the <a href='https://blog.holoviz.org/posts/param_release_2.3/'>release blog post</a> and support Param by giving it a 🌟 on <a href='https://github.com/holoviz/param'>Github</a>.",
+
 }
 
 extensions += [  # noqa

doc/releases.md

@@ -1,5 +1,17 @@
 # Releases
 
+## Version 2.3.1
+
+Date: 2025-11-25
+
+This patch release fixes a regression introduced in the `param.parameterized.edit_constant` context manager.
+
+Fixes:
+
+- Fix `edit_constant` to prevent class value mutation when not constant
+
+[*Full Changelog*](https://github.com/holoviz/param/compare/v2.3.0...v2.3.1)
+
 ## Version 2.3.0
 
 Date: 2025-11-13