Because the repack is a bit-for-bit copy of the official Steam build (post-patch 1.4, usually), it inherits the same bugs—but also the same fixes. By the time xatab released his v2 and v3 updates, the game had received patches addressing:
Xatab, a well-known Russian game publisher, has secured the exclusive rights to distribute Uncharted: Legacy of Thieves Collection in certain regions. This partnership allows Xatab to provide gamers with a unique gaming experience, complete with localized support and exclusive content. uncharted legacy of thieves collection xatab exclusive
However, I couldn't find more detailed information on what specific exclusive content is included in the Xatab version. It's possible that the Xatab exclusive may include some region-specific content or bonuses, but I couldn't verify this. Introduction Because the repack is a bit-for-bit copy