How to permanently turn-off annoying blue dot with arrow in OS 14.
I found an answer in a google search that worked well: To disable the blue arrow (caps lock indicator) in macOS Sonoma on your MacBook, open the Terminal app, type defaults write - kCFPreferencesAnyApplication TSMLanguageIndicatorEnabled 0 - press Return, and then restart your Mac.
MacBook Pro (M3, 2023)