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

https://github.com/TeddyDD/void-packages-1 update-aerc
https://github.com/void-linux/void-packages/pull/46538

aerc: update to 0.16.0.
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#### Testing the changes
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A patch file from https://github.com/void-linux/void-packages/pull/46538.patch is attached