Multi-Second Freezes / Stutters During Short Reproducible Flight in Photogrammetry Heavy Area (Stable System, No Overheating)

[GunStrauss8]

May I get some moderator assistance to move this thread into the release branch of the forum? The issue persist in the release version.

SU4 Beta (1.6.16.0) — Multi-Second Freezes / Stutters During Short Reproducible Flight in Photogrammetry Heavy Area (Stable System, No Overheating)

ISSUE DESCRIPTION During SU4 Beta testing, the simulator experiences multi-second main-thread freezes (1–6 seconds) during flight. The system is fully stable, thermally optimized, and verified under heavy CPU/GPU load with no crashes, no throttling, and no overclocking. Third-party utilities (TrackIR, SPAD.neXt) were disabled to eliminate external influence. Visual symptom: Image freezes mid-frame (motion blur holds if turning viewpoint), then resumes after several seconds. No CTD, no o…