This patch should solve a performance issue that popped up in v1.12.0.
Have a great weekend!

v1.12.5f1
General
- Fixed: instanced rendering was not working properly, reducing performance
- Fixed: vapor cone was missing for certain aircraft (mostly players)
Units
- Fixed: F/A-26, EF-24, and F-45 AI units swapped to team B didn't have corresponding radar RWR symbols (FA, EF, FS)