Pokémon Brilliant Diamond and Pokémon Shining Pearl - Version 1.2

Create a Pokemon Brilliant Diamond/Shining Pearl Version Exclusives Tier List - TierMaker

Brilliant Diamond & Shining Pearl's 1.2.0 Update Now Live

Pokémon Brilliant Diamond and Shining Pearl Finally Add Colosseum Mode - IGN

Pokémon Brilliant Diamond and Shining Pearl - Bulbapedia, the community-driven Pokémon encyclopedia

Pokémon Brilliant Diamond & Shining Pearl has received a new patch. Updates to Version 1.2. : r/NintendoSwitch

Pokemon Presents 2021: Everything Announced Including Pokemon Brilliant Diamond and Shining Pearl - IGN

Pokemon Brilliant Diamond & Shining Pearl 1.2 update: Clones banned, Colosseum battles added - Dexerto

Lucas, Pokémon Wiki

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Here's the Pokemon Brilliant Diamond and Shining Pearl 1.2.0 patch notes