0.11.172

• Fix a crash when activating a window menu entry after that window closed
• Fix a crash from notification expiry timers outliving a removed docklet
• Fix shutdown crashes by cancelling renderer, dock window, and drag timers on teardown
• Fix menu memory leaks by destroying dock menus on rebuild and teardown
• Fix a leaked X error trap when generating previews of very small windows
• Trap X errors around icon geometry updates and pointer barrier teardown
• Keep docklets working when the worker pool cannot spawn a thread
• Guard workspace and window lookups against windows closing mid-operation
• Identify docklets by launcher URI in debug logs
• Update the graphics tablet FAQ and docklet development guide