Fast Ctrl+Tab sometimes does nothing

I'm using TabStack 1.2.1, did not try earlier versions. Windows 10 and 11.
Sometimes, when I press Ctrl+Tab fast, just nothing happens. I.e. no tabs switching.
If I disable TabStack, fast Ctrl+Tab always switches tabs.
I assume it has something to do with the timeouts inside of TabStack's code. Could you suggest what exact values I may try to improve the behavior?

Update:
Just observed a strange behavior: after Ctrl+Tab has been pressed with TabStack's popup shown (Ctrl is held), each Tab press goes to the previous item as if Shift is held, but Shift is not actually held. Arrow Down and Arrow Up work as expected. Probably it's something related to synchronization issues? E.g. some state has been preserved or incorrectly changed?

AI suggests to change the line 73 in "session.py":

if state.ctrl_release_poller is not None and not state.ctrl_release_poller.is_ctrl_down():
    state.clear_session()
    return

to the following:

if state.ctrl_release_poller is not None and not state.ctrl_release_poller.is_ctrl_down():
    # A fast tap releases Ctrl before this deadline. Committing here
    # covers the case where the poller's callback has not run yet;
    # clearing instead drops the tab switch.
    _commit_pending_session(window, state)
    return

This seems to fix the quick Ctrl+Tab at least. (I'm still trying to understand how to reproduce the opposite direction Ctrl+Tab behavior. Maybe it was the consequence of the fast Ctrl+Tab issue?)

Thanks for the report. I accidentally fixed this in #12 via 91f7289 already.

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Fast Ctrl+Tab sometimes does nothing #10

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Fast Ctrl+Tab sometimes does nothing #10

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d0vgan commented on Oct 4, 2026

FichteFoll commented on Oct 14, 2026

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