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

https://github.com/ishaanbhimwal/void-packages grex-fix
https://github.com/void-linux/void-packages/pull/38368

grex: update to 1.4.0 and adopt
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@classabbyamp https://github.com/void-linux/void-packages/pull/38305

A patch file from https://github.com/void-linux/void-packages/pull/38368.patch is attached