EDIT: Apologies. Updated with a link to what gorhill REALLY said:
Manifest v2 uBO will not be automatically replaced by Manifest v3 uBOL[ight]. uBOL is too different from uBO for it to silently replace uBO – you will have to explicitly make a choice as to which extension should replace uBO according to your own prerogatives.
Ultimately whether uBOL is an acceptable alternative to uBO is up to you, it’s not a choice that will be made for you.
Will development of uBO continue? Yes, there are other browsers which are not deprecating Manifest v2, e.g. Firefox.
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In case it matters https://vivaldi.com/blog/manifest-v3-update-vivaldi-is-future-proofed-with-its-built-in-functionality/
Vivaldi does have it’s own built in adblocker. You can add sources. It’s not as robust at uBO, but than nothing
Floorp is an excellent browser. I mainly use it for the first class vertical tab support, but it’s ability to pin websites to open in a sidebar is great. I use it for stuff like Proton mail and drive.
I will say in case anyone here saw it in the past, it had a bit of drama around the author making part of it closed source, but that was fortunately resolved before it was ever released with any proprietary code.
Tell us more of the Floorp. (as long as its not based on chrome)
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Any issues with not being set up in Japanese?
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Neat, thanks for letting us know. Will have to try it.