I wonder whether dispatching widget events instead of native events (from the OS) can lower the amount of work mentioned in comment #3.
Bug 1773393 Comment 5 Edit History
Note: The actual edited comment in the bug view page will always show the original commenter’s name and original timestamp.
I wonder whether dispatching widget events (still within Firefox) instead of native events (from the OS) can lower the amount of work mentioned in comment #3.