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

https://github.com/steinex/void-packages flatpak
https://github.com/void-linux/void-packages/pull/35116

flatpak: update to 1.12.4.
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#### Testing the changes
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A patch file from https://github.com/void-linux/void-packages/pull/35116.patch is attached