LibreWolf comes with uBlock Origin. Your LW installation came without it ? Can you give more details ?
LibreWolf
Welcome to the official community for LibreWolf.
LibreWolf is designed to increase protection against tracking and fingerprinting techniques, while also including a few security improvements. LibreWolf also aims to remove all the telemetry, data collection and annoyances, as well as disabling anti-freedom features like DRM. If you have any question please visit our FAQ first: https://librewolf.net/docs/faq/
To learn more or to download the browser visit the website: https://librewolf.net/
If you want to contribute head over to our Codeberg: https://codeberg.org/librewolf
A mozilla root certificate that signs extensions just expired. You need to update to the latest version.
Ublock origin likely is missing.
You'll need to describe "won't let me install" more.
it won’t let me install any add ons or plugins.
what?
just install the plugins like normal. Why does it not work, what is the error?
I had the same and noticed I was still on v121.0, so I downloaded and installed v136.0 from the official LibreWolf site and my plugins came back.
Sounds like something is fucky with your install, sponsorblock and noscript were day-1 addons to librewolf for me.