It's not an exact drop-in replacement. There are many filtering capabilities that cannot be ported [1] to MV3, filtering lists can only be distributed through e

It's not an exact drop-in replacement. There are many filtering capabilities that cannot be ported [1] to MV3, filtering lists can only be distributed through extension updates [2], and filtering is unreliable. > Injecting content scripts in a non-declarative way is unreliable in MV3 due to fact that extensions are really service workers which can be suspended at any time. [1]: https://github.com/uBlockOrigin/uBOL-home/wiki/Frequently-asked-questions-(FAQ)#filtering-capabilities-which-cant-be-ported-to-mv3 https://github.com/uBlockOrigin/uBOL-home/wiki/Frequently-as... [2]: https://github.com/uBlockOrigin/uBOL-home/wiki/Frequently-asked-questions-(FAQ)#when-do-filter-lists-update https://github.com/uBlockOrigin/uBOL-home/wiki/Frequently-as...