Gallery Still Playback Sticking on Last Still Played

Overall, really enjoying the performance of Resolve 14. Just one problem that happens from time to time: The function of "Play Still" will stick and only show the last still that way played, no matter what gallery still you select.

Shutting down Resolve and going back in seems to be the only fix to get it working correctly again.

This is happening on my 2014 iMac 5K - OS High Sierra, 32 GB Memory.

Thanks,

MTO.