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

https://github.com/mhmdanas/void-packages libnice-0.1.21
https://github.com/void-linux/void-packages/pull/43335

libnice: update to 0.1.21.
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#### Testing the changes
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A patch file from https://github.com/void-linux/void-packages/pull/43335.patch is attached