There is a new pull request by jnbr against master on the void-packages repository

https://github.com/jnbr/void-packages firefox84
https://github.com/void-linux/void-packages/pull/27189

firefox: update to 84.0.
depends on #27119 

[ci skip]

A patch file from https://github.com/void-linux/void-packages/pull/27189.patch is attached