An update has been released for Unsandboxed.

Full changelog is in the article.

Heartbreaking 💔 a box of sandies were burnt to a crisp by a new feature coming to Unsandboxed 😢

Extensions will be able to use extendable blocks via a simple yet comprehensive API.

Examples will be provided.

Also HOLY CYBERSECURITY RISK, I'm SO glad this never happened!!!

soon

.

ETA: I won't do this. It's not in the spirit of OSS and it'd make me no better than Scratch Team.

I WAS CHASING GHOSTS

your mum

"I mean it's cool but she didn't make an API for extensions to use them"... oh wait I did lmao

Extensions will be able to register custom effects, as well as being able to choose whether or not those effects show up in that looks block menu.