Pi3 stuttering with August update

I think it is related. On previous freezing I had also high CPU usage, but it was possible stop the movie. In last case the Kodi not responding for stop movie command - maybe not working and it is reason for low CPU figures.
Overclocking of Pi is some tested config setting for HEVC by Millhouse on Pi3B+:

I´m using this also for Pi2 and it is working much better then without overclocking.
Part of these settings is depend the Popcornmix recommendation:

Jan