On multilingual wikis like commons or Wikidata, link to wikis in the user language instead of linking to English wikis.
I think that the way the issue is described here is incorrect. See the correct and more detailed description in T154181
Now I can see that the description IS correct, but the issues are quite different. This is why I doubt that merging these was a good idea.
On the other hand, as can be seen from the Ukrainian main page on Wikimedia Commons (there are only 4 links to sister projects, while the English version has 11), solving one issue would eventually solve the other, so the merger might be OK.