There is an updated pull request by skmpz against master on the void-packages repository

https://github.com/skmpz/void-packages mate-desktop-1.26.1
https://github.com/void-linux/void-packages/pull/43615

mate-desktop: update to 1.26.1.
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#### Testing the changes
- I tested the changes in this PR: **NO**

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A patch file from https://github.com/void-linux/void-packages/pull/43615.patch is attached