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

https://github.com/Duncaen/void-packages syncthing-1.18.3
https://github.com/void-linux/void-packages/pull/33350

syncthing: update to 1.18.3.
None

A patch file from https://github.com/void-linux/void-packages/pull/33350.patch is attached