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

https://github.com/daniel-eys/void-packages jbig2dec
https://github.com/void-linux/void-packages/pull/15034

jbig2dec: add patch to restore ABI compatibility
jbig2dec 0.17 breaks ABI resulting in
`mupdf: symbol lookup error: mupdf: undefined symbol: jbig2_ctx_new`
Debian bugreport: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=940605
Patch taken from Debian's Patch Tracker.

A patch file from https://github.com/void-linux/void-packages/pull/15034.patch is attached