Yes—with one nuance. While v1.5 is the final official patch, recent community mods (like or Eternal X ) often require v1.5 as a base. However, these mods further patch the game into "v1.6" or "v2.0" unofficially.
: Most modern save file editors (like PKHeX) and online server workarounds (like Pretendo) require the game to be on its final official version (1.5) to maintain data integrity. pokemon x update 15 cia top