When comparing frames in the COMPARISON VIEW mode, during the display of two frames during playback, the Playhead does not stop and continues to play further in v. 23 Premiere.
This situation is also observed after deleting the cache and restarting Premiere. Fix it.

[Moderator note: bugs can be totally dependent on small detials, so for ALL bug posts, please give enough details to make the post worth posting. OS/CPU/RAM/GPU, media used, any third-party plugins or effects used for starters.]