message: size_t to int32_t typecast in objectsbucket.cpp
  Compilation error due to unsafe assignment. Typecast fixes this.
diff: @@ -501,7 +501,7 @@ void ObjectsBucket::updatePushBlock(ObjectsBucket::UboPush& push, ObjectsBucket:
  uint64_t time = (scene.tickCount+v.timeShift);
  const int32_t samplesPerFrame = int32_t(anim.samplesPerFrame);
  - push.indexOffset = anim.index;
  + push.indexOffset = int32_t(anim.index);
  push.morphFrameSample[0] = int32_t((time/anim.tickPerFrame+0)%anim.numFrames) * samplesPerFrame;
  push.morphFrameSample[1] = int32_t((time/anim.tickPerFrame+1)%anim.numFrames) * samplesPerFrame;
  push.morphAlpha = float(time%anim.tickPerFrame)/float(anim.tickPerFrame);
  