Add date to changelog headings, add 'v' prefix

Fixes #1337

CHANGELOG.md

@@ -18,7 +18,7 @@ JetBrains:
   - Add mSL (mIRC Scripting Language) support (custom pygls-based language server; symbols, references, definitions)
   - Fix initialisation issues in Vue language server #1333
 
-# 1.1.1
+# v1.1.1 (2026-04-12)
 
 * General:
   - Enable cert verification for HTTPS request to oraios-software.de #1320
@@ -30,7 +30,7 @@ JetBrains:
   - Fix Dart LSP returning only symbol name as body instead of full method body.
 
 
-# 1.1.0
+# v1.1.0 (2026-04-11)
 
 * General:
   - **Major**: Add commands for hooks and documentation of recommended setup. Consider setting up the [recommended hooks](https://oraios.github.io/serena/02-usage/030_clients.html) !
@@ -53,7 +53,7 @@ JetBrains:
     Some clients would terminate the MCP server in a way that did not ensure proper termination.
   - Fix: Manual server shutdown triggered by GUI tool/dashboard not cleaning everything up.
 
-# 1.0.0
+# v1.0.0 (2026-04-03)
 
 * General:
     * Add monorepo/multi-language support
@@ -134,7 +134,7 @@ JetBrains:
   * **C/C++ alternate LS (ccls)**: Add experimental, opt-in support for ccls as an alternative backend to clangd. Enable via `cpp_ccls` in project configuration. Requires `ccls` installed and ideally a `compile_commands.json` at repo root.
   * **Add support for Solidity** via the Nomic Foundation `@nomicfoundation/solidity-language-server` (automatically installed via npm)
 
-# 0.1.4
+# v0.1.4 (2025-08-15)
 
 ## Summary
 
@@ -178,7 +178,7 @@ Fixes:
   default shell reconfiguration imposed by Claude Code)
 * Additional wait for initialization in C# language server before requesting references, allowing cross-file references to be found.
 
-# 0.1.3
+# v0.1.3 (2025-07-22)
 
 ## Summary
 

scripts/bump_version.py

@@ -3,6 +3,7 @@ from __future__ import annotations
 import logging
 import os
 import re
+from datetime import datetime
 from pathlib import Path
 from typing import Literal
 
@@ -185,7 +186,9 @@ def update_changelog(changelog_text: str, new_version: str) -> str:
     unreleased_body = unreleased_section[len(_UNRELEASED_HEADER) :]
     intro, unreleased_entries = split_unreleased_body(unreleased_body)
 
-    updated_section = _UNRELEASED_HEADER + intro + f"# {new_version}\n"
+    date_str = datetime.now().strftime("%Y-%m-%d")
+    updated_section = _UNRELEASED_HEADER + intro + f"# v{new_version} ({date_str})\n"
+
     if unreleased_entries.strip():
         updated_section += "\n" + unreleased_entries.lstrip("\n")
     else: