Along with the Chromebook's simplicity and overall ease ... Shift in particular has an extra sticky keys function. When you hit the Shift key twice, the modifier should stay active — its name ...
To customize the Chromebook keyboard ... From here, you can change the function of certain keys. For example, select the Ctrl drop-down menu and choose one of the options listed.
The chromeOS.dev team has shared notes on upcoming features for the ChromeOS 134 update, which is set to release on Monday.