matrix: Depends: python3-canonicaljson (>= 1.6.2~) but 1.4.0-1 is to be installed (Bullseye)
The following packages have unmet dependencies:
matrix-synapse : Depends: python3-canonicaljson (>= 1.6.2~) but 1.4.0-1 is to be installed
Recommends: python3-pympler but it is not going to be installed
E: Unable to correct problems, you have held broken packages.
Edited by Benedek Nagy