Patch version bump for Ask AI close button crash fix

Author: kovidgoyal

Changelog.txt

@@ -23,7 +23,7 @@
 # - title by author
 # }}}
 
-{{{ 8.16.1 2025-12-04
+{{{ 8.16.2 2025-12-04
 
 :: new features
 
@@ -51,6 +51,8 @@
 
 - [2133932] Fix a bug in 8.16.0 that prevented the Ask AI what to read next feature from working
 
+- [2133992] Fix a crash in 8.16.0 that caused using the "Close" button in Ask AI to crash calibre on some systems
+
 }}}
 
 {{{ 8.15.0 2025-11-21

src/calibre/constants.py

@@ -12,7 +12,7 @@
 from polyglot.builtins import environ_item, hasenv
 
 __appname__   = 'calibre'
-numeric_version = (8, 16, 1)
+numeric_version = (8, 16, 2)
 __version__   = '.'.join(map(str, numeric_version))
 git_version   = None
 __author__    = 'Kovid Goyal <[email protected]>'