Tombstoning a V12 room to any room version < 12 can lead to loss of powerlevel #18810
Description
Description
If the creator of a V12 room tombstones the room to any other room version below 12, the upgrade api sets the PL of the creator to 0 after creating the room
Steps to reproduce
- make a V12 room
/upgraderoom 11in element- open new room
- have no power anymore
Homeserver
matrix.org
Synapse Version
Synapse 1.136.0 (b=matrix-org-hotfixes-priv,a4db588e87)
Installation Method
Docker (matrixdotorg/synapse)
Database
Postgresql
Workers
Multiple workers
Platform
you know better than me :)
Configuration
No response
Relevant log output
^Anything else that would be useful to know?
No response