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

https://github.com/newbluemoon/void-packages synfig
https://github.com/void-linux/void-packages/pull/26410

synfig/synfigstudio/ETL: update to 1.4.0
New stable release, supersedes #24755, tested briefly on x86_64-musl with some examples, no segfault anymore on startup. Also successfully built for x86_64, armv7l, i686.

@Vaelatern @diogoleal 

A patch file from https://github.com/void-linux/void-packages/pull/26410.patch is attached