Under the hood
Useful2 Signal1
Vim mode always knows your cursor now, so some keys no longer silently do nothing.
What's wrong with this entry?
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What
The vim keybinding hook no longer keeps the text buffer in a stored reference; the buffer and cursor are handed into key handling, mode switching, insert-exit and dot-repeat as arguments. Handlers that used to give up when the stored reference was empty always have a cursor now, and entering visual mode uses the caller's offset directly instead of falling back to zero. Insert-mode remap detection and its telemetry are unchanged.
Evidence
cancelPendingRemap: ie,
Strings lifted out of the shipped bundle, so the claim above can be checked against them.