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

https://github.com/ScrelliCopter/void-packages signal
https://github.com/void-linux/void-packages/pull/26820

Signal-Desktop: update to 1.38.2
"This update fixes a few bugs related to the composition area. Thanks for your bug reports!" - https://github.com/signalapp/Signal-Desktop/releases/tag/v1.38.2

A patch file from https://github.com/void-linux/void-packages/pull/26820.patch is attached