Key Sequence breaks after moving from sequoia to Tahoe

Bugs or Unexpected Behavior
1

Describe the bug
After updating to macOS Tahoe 26.0.1 (25A362) on Apple M1 Pro, I noticed an issue with a key sequence I previously mapped. I had set the sequence cmd + shift to trigger ctrl + space, which I use for changing the input language.
Since the update, pressing cmd + shift no longer switches the language immediately. Instead, the language only changes after I press another non-alphanumeric key. I have not tested all possible keys, but so far, keys like caps lock, shift, ctrl, cmd, and option work to trigger the change, as well as probably others.

Steps to reproduce:

  1. On macOS Tahoe 26.0.1 (25A362) on M1 Pro, map cmd + shift to trigger ctrl + space (input language switch).

  2. Press cmd + shift.

  3. Notice that the language does not change until an additional non-alphanumeric key is pressed.

Affected input device:
Ergo K860 Bluetooth connected

Screenshots
If applicable, add screenshots to help explain your problem. (You can just paste or drag them here)

Device information:

  • Type of Mac: Apple M1 Pro

  • macOS version: 26.0.1 (25A362) Tahoe

  • BetterTouchTool version: (You are currently running version 5.739.)

Additional information (e.g. crash logs, related issues, etc.):

exported_triggers.bttpreset (2.1 KB)

2

Your key sequence works fine here (macOS 26.1 RC right now).

One note: the sequence is set to trigger when releasing both the cmd and the shift key. If you would like to have it trigger on "key down" you'd need to delete these or make them optional:

image
image2446×1566 333 KB

3

Ok I did what you asked and it worked thnx :slight_smile: