I enjoyed ABP pre-quantum; but my current experience is intensely disappointing. I'm keeping ABP for its ability to block elements--but I'll quit it as soon as I can find another means of doing that. (This ABP ability is markedly less than pre-quantum, but I'm willing to assume that ABP is doing the best it can with this feature under quantum.)

I frequently use Amazon's site. I find now that Amazon's site (at least) is replete with very annoying ads--despite ABP's assurance here that it "blocks all annoying ads." Note that my ABP settings have all ABP's listed filters "active," and my instructions to ABP are to block even so-called "acceptable" ads. Note also that ABP will apparently revert to the default setting to "allow" such ads should you remove and reinstall the add-on.