• On June 3rd, Chrome(ium) users will start being informed that their MV2 extensions will soon stop to function. uBlock Origin (and others) will lose the "Featured" badge.
• The remaining MV2 extensions will be gradually disabled in the "coming months", with the last deadline being the beginning of next year. (Expect that uBO will probably not last that long).

What options do you have if you still want to use uBlock Origin?

• Firefox (and up to date forks) have no plans to end support for the webrequest API that uBO requires.
• Brave browser will allow MV2 extensions for now. I still have no info on if they are going to use their own store or require manual installation/updating of MV2 extensions.
• If you use Chrome. By enabling enterprise policy ExtensionManifestV2Availability, you should be able to extend support till June 2025.
• uBlock Origin Lite (uBOL) is a MV3 extension that is much more limited than uBO and is not intended to be a replacement for uBO. These limitations are described in detail in the FAQ for uBOL: https://github.com/uBlockOrigin/uBOL-home/wiki/Frequently-asked-questions-(FAQ)