Hi there!
There are 2 topics in #bugs-and-issues that are about this patch:
FPS:
https://forums.flightsimulator.com/t/still-stutters-and-poor-fps-after-the-1-14-6-0-update/384467/63
Performance:
https://forums.flightsimulator.com/t/performance-degradation-with-1-14-5-0-upgrade/376202/1646
To prevent duplicates and votes from splitting, please use one of the above topics.