# M-series Mac frame timing issue seems resolved

**URL:** <https://discourse.psychopy.org/t/m-series-mac-frame-timing-issue-seems-resolved/46640>\
**Category:** Builder\
**Tags:** timing\
**Created:** [February 23, 2026, 3:21am UTC](https://discourse.psychopy.org/t/m-series-mac-frame-timing-issue-seems-resolved/46640 "2026-02-23T03:21:19Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![ipsych](https://avatars.discourse-cdn.com/v4/letter/i/e19b73/32.png) [@ipsych](https://discourse.psychopy.org/u/ipsych)\
**Post date:** [February 23, 2026, 3:21am UTC](https://discourse.psychopy.org/t/m-series-mac-frame-timing-issue-seems-resolved/46640/1 "2026-02-23T03:21:20Z")

</div>

Such a good day for mac-using experimenters.  
Thanks to bugfix in [BF: Fix `waitBlanking=True` on MacOS by mdcutone · Pull Request #7502 · psychopy/psychopy · GitHub](https://github.com/psychopy/psychopy/pull/7502) , PsychoPy 2026.1.0 seem to resolved the timing issue.  
Tested in Mac Book Pro 2023, Sequia 15.7.3, and attach both promotion On and Off result. I will update with M1 and M4 mac mini results soon.

Below testing code (seems not included in 2026.1.0) works out of box.

> <https://github.com/psychopy/psychopy/blob/15051871e4160370b4f6140a9c6307d68e689572/psychopy/demos/coder/timing/timeByFrames.py#L4>

 ![Promotion_off_60Hz](https://us1.discourse-cdn.com/flex002/uploads/psychopy/original/3X/9/6/96f96a8594d8249da737511d51b785bfe337bef4.png)

 ![ProMotion_ON](https://us1.discourse-cdn.com/flex002/uploads/psychopy/original/3X/c/3/c398b0da4767a6d54f345eba2f82b5632a857479.png)