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

https://github.com/leahneukirchen/void-packages tz2020d
https://github.com/void-linux/void-packages/pull/25941

tzdata 2020d
Use the (as of 2020b non-default) `fat` option, else Go parses DST wrong.

A patch file from https://github.com/void-linux/void-packages/pull/25941.patch is attached