Although not having an easy path for security researchers to report vulnerabilities is not exactly great, what is commendable here is the speed at which these were addressed.

>2021-11-03 11:51 - I reported my bypass to uBlock Origin

>2021-11-03 12:52 - uBlock Origin patched my bypass on master

>2021-11-08 13:25 - Reported bug in cosmetic filter

>2021-11-08 14:19 - uBlock Origin patched my cosmetic bypass

>2021-11-08 15:35 - I bypassed the patch without using comments

>2021-11-08 16:18 - uBlock Origin patched the cosmetic filter bypass

61 minutes, 54 minutes, 43 minutes. Pretty quick!