Mod Name

Flashback

Mod Homepage

https://modrinth.com/mod/flashback

Minecraft version

1.21.1

Describe the bug

flashback used to work with connector in beta.10, now it doesn't in the new beta.11

Steps to reproduce

1. install sinytra connector, forgified fabric api and flashback into a neoforge 1.21.1 profile - everything newest versions (as of 31/10/2025)
2. start the game
3. first connector errors, stating "incompatible fabric mod: failing mixins"
4. start again; crash

Logs

https://gist.github.com/Jacknug/6790bbb772c5d5f861d97e9ff2a2ced4

Additional context

connector + flashback also seemed to have issues prior to the newcoming crash, such as making the player invisible in replays with certain mod combinations.