It is possible to write your own extension and still use it in Chrome as long as it's not bundled. It would be a huge pain to get the source for uBlock origin and implement it locally yourself, but it might be worth the pain to block ads.
The original uBO relies on Manifest V2, the API Chrome no longer supports. It's impossible to run full UBO (not Lite MV3 version) on current versions on Chrome.
The original uBO relies on Manifest V2, the API Chrome no longer supports. It's impossible to run full UBO (not Lite MV3 version) on current versions on Chrome.