Fixed in Flashback v0.3.0 1.21.9 & 1.21.10
Flashback uses spectator mode to render videos, which causes block outlines to appear when the camera passes through container blocks. This mod fixes that issue.

| Version | Minecraft | Loader | Download |
|---|---|---|---|
|
FlashbackOutlineFix 1.0.0 1.0.0 |
1.21, 1.21.1, 1.21.2, 1.21.3, 1.21.4, 1.21.5, 1.21.6, 1.21.7, 1.21.8
|
fabric
|
Download |