Creating a perk with the favor action does not seem to trigger the cooldown, it is always zero. Forge version 36.2.33, RPG Gods version 16.5.4.

Is there any chance of getting this fixed for 1.16?

Have you confirmed that the favor action runs successfully? If the action cannot run, it will not trigger cooldown.

Yes, the favor adjusts accordingly, it just does not trigger a cooldown.

Can you post the perk JSON?

Here, I just tested it again to make sure and yeah, it's still happening.
{ "icon": { "item": "minecraft:dirt" }, "range": { "deity": "custom:gna", "minlevel": 0, "maxlevel": 10 }, "condition": [ { "type": "random_tick" }, { "type": "structure", "data": "minecraft:village" } ], "action": [ { "type": "favor", "favor": 25, "id": "custom:gna" } ], "cooldown": 12000, "cooldown_category": "village_favor" }

Is there any chance of getting this fixed for 1.16?

No, I don't have time to maintain 1.16.x