Game Freak and The Pokémon Company have this week rolled out another update for Pokémon Legends Z-A on the Switch and Switch 2.
This bumps the latest build up to Version 1.0.3. It includes some fixes tied to Mega Stone rewards. Below is the full rundown according to the game's official Japanese website.
Keep in mind you'll also have to update to this version if you wish to continue accessing online features. Local communication also requires users to have the same update data.
The following confirmed bugs have been fixed:
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In ranked battles, even if you reach the rank required to receive Mega Stones as rewards, you may not be able to receive them. (This occurred in Season 2.)
Response to players who did not receive the Mega Stone rewa

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