We are testing a new anti cheat solution on our test servers this week and it is to block cheats more effectively. This will also block 3rd party programs that modify the gameplay or visuals in an invasive way. Reshade is one of the programs that will be blocked by this measure.
We are first testing the anti-cheat solution on our test servers. Patch Notes Launch/Crash reporting
When this is implemented on the live servers, such programs will be blocked. We will provide more updates when they become available.