Nintendo released its Consolidated Results for the Three Months Ended June 30, 2019 and 2020 and it revealed that Pokémon Sword and Shield have now sold a combined 18.22 million units and the DLC sold well.

Consolidated Results for the Three Months Ended June 30, 2019 and 2020

Turning to our digital business for dedicated video game platforms, sales increased as a result of the good momentum of downloadable versions of packaged software for Nintendo Switch, and also the popularity of The Isle of Armor, released on June 17 as part of Pokémon Sword Expansion Pass and Pokémon Shield Expansion Pass, the first-ever add-on content for the Pokémon series.Download-only software and Nintendo Switch Online also sold well, with digital sales reaching 101.0 billion yen (229.9% increase on a year-on-year basis).

Source: https://www.nintendo.co.jp/ir/pdf/2020/200806e.pdf

Pokémon Sales as of June 30, 2020:

Pokémon Sword and Pokémon Shield: 18.22 million
Pokémon X and Y: 16.45 million
Pokémon Omega Ruby and Alpha Sapphire: 14.27 million
Pokémon Sun and Moon: 16.18 million
Pokémon Ultra Sun and Ultra Moon: 8.77 million
Pokémon Let's Go, Pikachu! & Let's Go, Eevee: 12.20 million

Source: https://www.nintendo.co.jp/ir/en/finance/software/index.html

The official Pokémon website has announced the Pokémon Sword and Pokémon Shield Armor Beginnings Online Competition. Our 8th Generation Online Competitions page has been updated with these details.

Armor Beginnings

Information
Region: International Registration Period: Wednesday, July 15th, 2020 at 10:00 p.m. PDT until Thursday, July 23rd, 202 at 4:59 p.m. PDT. Tournament Period: Thursday, July 23rd, 2020 at 5:00 p.m. PDT until Sunday, July 26th, 2020 at 4:59 p.m. PDT Ranking Results Announcement: August 2020 Compatible Games: Pokémon Sword and Pokémon Shield, Isle of Armor DLC Banned Pokémon: Only Pokémon that can be registered to the Isle of Armor Pokédex are eligible for the competition. These Pokémon must have been obtained in Pokémon Sword or Pokémon Shield or have the battle-ready symbol to be eligible. Battle Type: Single Battles Entry Gift: Trainers who complete at least one battle in the Armor Beginnings will earn 50 Battle Points.
Description
Earn Battle Points by testing your skills against other Pokémon Sword and Pokémon Shield players from around the world. To celebrate the release of The Isle of Armor, the first part of the Pokémon Sword Expansion Pass and Pokémon Shield Expansion Pass, you can now challenge Trainers from around the world in the Armor Beginnings Online Competition! Please note that you do not need to own an Expansion Pass to take part in this competition. By competing in at least one battle in Armor Beginnings, you will earn a participation gift of 50 Battle Points. Only Pokémon that can be registered to the Isle of Armor Pokédex are eligible for the competition. These Pokémon must have been obtained in Pokémon Sword or Pokémon Shield (either caught, hatched from Eggs, or received as an official Mystery Gift) or have the battle-ready symbol to be eligible. By speaking with the character next to the door in the center of the Battle Tower, you can make Pokémon from previous games in the Pokémon series forget moves and receive the battle-ready symbol. Pokémon with the battle-ready symbol can participate in Ranked Battles and Online Competitions, which previously only allowed Pokémon obtained in Pokémon Sword or Pokémon Shield. Be aware that moves that cannot be used in Pokémon Sword and Pokémon Shield will be forgotten when the battle-ready symbol is applied to your Pokémon. These moves cannot be remembered. Additionally, all Gigantamax Pokémon that are eligible to participate may be used. You can also bring Legendary Pokémon into battle, but Mythical Pokémon are not allowed.

Source: https://www.pokemon.com/us/pokemon-news/compete-in-the-armor-beginnings-online-competition/

Bandai Namco has announced a new Pokémon 3 Song DLC Pack for Taiko no Tatsujin: Drum ‘n’ Fun called Pokémon Let's Go! Pikachu - Let's Go! Eievui and Pokémon Game Anime Music Pack (ポケモン Let‘s GO! ピカチュウ・Let’s GO! イーブイ』＆ ポケモンアニメミュージックパック ). The DLC pack will be released on February 7th, 2019 for 400yen plus tax and will feature a track from Pokémon: Let's Go, Pikachu! + Let's Go, Eevee! as well as the Pocket Monsters Sun and Moon anime opening themes Aim To Be A Pokémon Master -20th Anniversary- and Future Connection.


Source: https://switch.taiko-ch.net/dlc/