Just confirming that i have troubles with offline rendering too. Hadn’t experienced this before. Using 2.39 now, but i don’t know which update caused the trouble. My problem is that the beginning of a vocal track falls away every time. Realtime-rendering fixes this.
2.40 beta1 is available with fixes for rendering latency-compensated plugins. Please post your test results in the 2.40 preview topic in the future forum. Sorry it took so long. I had started on some code restructuring that I needed to finish before I could make a release build.