Pokémon GO's Season of Heritage will be kicking off with a Swinub Incense Day, which will take place on December 5, 2021, from 11:00 a.m. to 5:00 p.m. local time. Swinub will be attracted to Incense more frequently during the entire event hours, with Shiny Swinub appearing rarely.

December marks the start of the Season of Heritage in Pokémon GO, which will run from December 1, 2021, at 10:00 a.m. local, until March 1, 2022, at 10:00 a.m. local time. While visiting a historical cave site, Professor Willow has stumbled on a large door bearing a set of strange unlocking mechanisms. Players must collaborate with both Professor Willow and the team leaders to help uncover this historic site's mysteries.

Niantic has delivered their monthly update of upcoming events in Pokémon GO, detailing a range of bonus days and events that are scheduled to be running over the course of the month.

Pokémon UNITE has been awarded Best Game in Google Play's Best of 2021. Google's announcement stated that the game's win was due to its "dynamic gameplay and cross-platform experience". An in-game promotion to celebrate this achievement is currently running, with players able to receive two login bonuses, each of which awards 2021 Aeos Tickets.

The official Japanese Pokémon Café ReMix website has announced several events that will be running over the Christmas season for Pokémon Café ReMix. Additionally, it has also been announced that Shiny Pokémon will be appearing in future events.

A new update version of the mobile version of Pokémon HOME, version 1.5.2, is now available for download on the App Store for iOS users, and on the Google Play Store for Android users.

Registration for the new Tiny Tourney Online Competition in Pokémon Sword and Pokémon Shield has started, and will remain open until December 9, 2021, at 3:59 p.m. PST. The competition itself will then run from December 9, 2021, at 4:00 p.m. PST until December 12, 2021, at 3:59 p.m. PST.

Players of Pokémon Brilliant Diamond and Pokémon Shining Pearl can obtain a code to redeem a Turtwig Statue ⁂, Chimchar Statue ⁂, and Piplup Statue ⁂ by answering questions on the official Pokémon BDSP Japanese website. The Statue can be placed in your Secret Base in the Grand Underground. The code is 「BDSPUNDERGR0UND」.

DeNA has announced a new monthly event for Pokémon Masters EX, Pokémon Masters Day. This event will take place every month from the 24th at 10:00 p.m. (Pacific Time) to the 25th at 9:59 p.m.

Main Orders 426 to 450 have now been added to Pokémon Café ReMix. Players can attempt these Orders if they have cleared Main Order 425. In addition, Minun can now appear as a customer in the Main Orders after a Menu Development.

Niantic has announced the schedule and details for the upcoming GO Battle League Season 10 in Pokémon GO. The season will start on November 29, 2021, at 1:00 p.m. PST (GMT −8). As previously announced, Trainers who reach Legend rank this season will be able to register early for certain Pokémon GO World Championship Series events.

A new version of the Pokémon Masters EX game, ver. 2.15.0, is now available for download, bringing with it several new features and quality of life changes, including Eggstreme Pass, the new Hall Skip feature, and the addition of Legendary Adventures to the Main Story menu. The producers of Pokémon Masters EX have also revealed details on several new components to the game in their monthly message to players, along with information about upcoming Sync Pairs.

Niantic has announced the Season of Mischief in Pokémon GO will be concluding with the Mischief Unbound event, which will start on November 26, 2021, at 10:00 a.m., and ends on November 29, 2021, at 8:00 p.m. local time.

To celebrate the release of Pokémon Brilliant Diamond and Pokémon Shining Pearl today, a special log-in bonus is now available in Pokémon Masters EX. Players will receive a one-time bonus of 900 Gems, and 30x 5★ Guaranteed Sinnoh Scout Tickets. This bonus will be available for the next 10 days.

To celebrate Eevee Day on November 21, 2021, all of the Eeveelutions will be appearing more frequently in Max Raid Battles in Pokémon Sword and Pokémon Shield through November 29, 2019, at 8:59 a.m. Each Pokémon has a chance to appear in their Shiny variant.

After the date was revealed in the first Pokémon GO Developer Diaries episode, Niantic has announced more details for the Pokémon GO Community Day event in December. The event will be held on Saturday, December 18, 2021, and Sunday, December 19, 2021. Throughout the event, Pokémon featured in Community Day events throughout 2021 will be appearing more frequently in the wild, while Pokémon featured in Community Day events during 2020 will be hatching from Eggs and appearing in raids.

Mirroring the previously announced event in Japan, Niantic has announced that a Pokémon GO Special Weekend will take place exclusively in Mexico from December 10 to 12, 2021, in partnership with 7-Eleven Mexico.

Fans of Jasmine, the Steel-Clad Defense Girl of Johto's Olivine City Gym, returns to Pokémon Masters EX in a special costume as part of a 5★ Guzma Sync Pair together with the Ultra Beast Celesteela, as part of the continuing Poke War Games costume event running through to December 9.

To commemorate the release of the Grammy-winning singer-songwriter Ed Sheeran's newest = studio album, a collaboration event has been announced by Niantic. The event will take place between November 22, 2021, at 11:00 a.m. PST (GMT -8) and November 30, 2021, at 1:00 p.m. PST (GMT -8).

Main Orders 401 to 425 have now been added to Pokémon Café ReMix. Players can attempt these Orders if they have cleared Main Order 400. In addition, Plusle can now appear as a customer in the Main Orders after a Menu Development.