Each guide starts with a concrete problem, gives steps you can verify, and clearly separates macOS features from features provided by Input Method Manager.
Mac input source keeps switching? Check these four causes
Check document-specific switching, keyboard shortcuts, Caps Lock, and app context before choosing a fix.
How to lock an input source on Mac
Keep one already-enabled input source active and verify that the lock behaves as expected.
How to use a different input source for each Mac app
Assign input sources to chat, Terminal, browsers, and writing apps, then switch automatically.
How to add, remove, and switch input sources on Mac
Manage the macOS input source list and avoid conflicts between Control-Space, Globe, and Caps Lock.
How to customize the Squirrel candidate window
Preview layout, candidate count, fonts, corners, spacing, and themes before applying changes.
How to back up and restore Squirrel settings
Use local safety snapshots, restore a complete change, and inspect deployment diagnostics.
How these guides are prepared
macOS steps are based on Apple’s Mac User Guide. Product steps reflect the current app. Input Method Manager is not an input method and is not an official Squirrel or Rime project.