Blender Version
Broken : dff7f55cd069 (2.8 HEAD)
Worked : unknown
Short description of error
The Scene strip preview always use the last updated scene - updating the a scene (changing a scene setting) breaks the sequencer preview and makes this scene render instead of the one specified in the Scene Strip.
Exact steps for others to reproduce the error
You can recreate this file from scratch by adding a new scene, and adding a scene strip in the VSE.
- Tweak scene exposure
- Change current frame
Extra notes
Surprisingly, the render engine is always the one from the Scene Strip scene, even if another scene is rendered.