If you marry a villager with a diamond wedding ring, it wont count. You can notice this because the achievement till death do us part doesn't trigger. Marriages work properly with a normal gold ring.
Steps to reproduce the behavior:
Marry a villager using a diamond wedding ring
You get a marriage acceptance reaction
You can't use any features that require marriage like working or checking inventory
If you marry a villager with a diamond wedding ring, it wont count. You can notice this because the achievement till death do us part doesn't trigger. Marriages work properly with a normal gold ring.
Steps to reproduce the behavior:
mca 7.5.5, game version 1.19.2, fabric 0.11.2
latest.log