List of Pokémon forms by release date/2019

January
Spinda pattern 5 was released along with the change of Field Research.

Regular (1) =

January
Shiny Totodile was released at the start of the thirteenth Community Day.

Shiny (3) =

January
Shiny Zigzagoon, Taillow and Groudon were released at the start of Hoenn Celebration 2019.

Shiny (5) =

January
Shiny Feebas was released at the start of the Feebas Limited Research.

Shiny (2) =

January
Shiny Psyduck was released at the start of Pokémon GO Safari Zone Porto Alegre.

Shiny (2) =

January
Palkia was released as a Raid Boss.

Regular (1) =

January
More Sinnoh Region Pokémon became available.

Regular (15) =

Shiny (1) =

February
Shiny Spoink was released at the start of Lunar New Year 2019.

Shiny (2) =

February
Shiny Meltan was released.

Shiny (2) =

February
Happiny and Shiny Cleffa and Smoochum were released at the start of Valentine's Day 2019. Spinda with heart-shaped pattern was released. Later this pattern was registered in the Pokédex as pattern #9, rising up Hoenn-region Pokédex to 149 distinct forms.

Regular (2) =

Shiny (5) =

February
Mamoswine and shiny Swinub were released at the start of the fourteenth Community Day.

Regular (1) =

Shiny (3) =

February
Shiny Latias was released at the start of Special Raid Week.

Shiny (1) =

February
Clamperl was released at the start of the Clamperl Limited Research along with its shiny form.

Regular (3) =

Shiny (3) =

February
Smeargle was released along with GO Snapshot. All Johto-region Pokémon species were released, becoming the second region to be possible to complete the Pokédex.

Regular (1) =

February
Shiny Pidgey and Rattata were released at the start of Pokémon Day 2019.

Shiny (5) =

March
Dialga was released as a Raid Boss. Spinda pattern 2 was released along with the change of Field Research. Sinnoh Gold medal became achievable for the first time.

Regular (2) =

March
Shiny Mankey and Machop were released at the start of Battle Showdown 2019.

Shiny (5) =

March
12 new Spinda forms were added to game files, rising up Hoenn-region Pokédex to 160 distinct forms.

March
Shiny Lunatone and Solrock were released at the start of Equinox 2019.

Shiny (2) =

March
Shiny Treecko was released at the start of the fifteenth Community Day.

Shiny (3) =

March
Deoxys Defense Forme was released as a Raid Boss on EX Raid Battle.

Regular (1) =

March
Shiny Lotad and Castform were released at the start of the Lotad Limited Research.

Shiny (4) =

April
Shiny Scyther was released at the start of Bug Out 2019. Origin Giratina was released as a Raid Boss.

Regular (1) =

Shiny (2) =

April
Shiny Bagon was released at the start of the sixteenth Community Day.

Shiny (3) =

April
Shiny Latios was released at the start of Special Raid Week.

Shiny (1) =

April
Shiny Igglybuff and Buneary were released at the start of Eggstravaganza 2019.

Shiny (5) =

April
Shiny Lapras and Shuckle were released at the start of Pokémon GO Safari Zone Sentosa.

Shiny (2) =

April
Shiny Diglett was released at the start of Earth Day 2019. The Lake Guardians were released in wild.

Regular (3) =

Shiny (2) =

May
Spinda pattern 4 was released along with the change of Field Research. Shiny Seel was released.

Regular (1) =

Shiny (2)=

May
Shiny Aipom was released at the start of Detective Pikachu Celebration.

Shiny (2) =

May
Several Sinnoh-region Pokémon were released, along with new Lure Modules as an evolution method.

Regular (23) =

Shiny (3)=

May
Shiny Torchic was released at the start of the seventeenth Community Day.

Shiny (3) =

May
Shiny Bronzor was released at the start of Extraordinary Raid Week.

Shiny (2) =

May
Shiny Cresselia was released.

Shiny (1) =

June
Shiny Onix, Lileep and Anorith were released at the start of Adventure Week 2019.

Shiny (6) =

June
Shiny Slakoth was released at the start of the eighteenth Community Day.

Shiny (3) =

June
Shiny Horsea was released at the start of Pokémon GO Fest 2019 Chicago. Jirachi was available for attendees.

Regular (1) =

Shiny (3) =

June
Shiny Alolan Rattata, Sandshrew, Vulpix, Diglett, Meowth, Geodude, Grimer and Exeggutor were released at the start of the 3rd Anniversary.

Shiny (16) =

June
Shiny Raikou was released at the start of Special Raid Challenge.

Shiny (1) =

July
Deoxys Speed Forme was released as a Raid Boss on EX Raid Battle. Shiny Spinda pattern 8 was released along with the change of Field Research

Regular (1) =

Shiny (1) =

July
Shiny Nidoran♂ was released at the start of Pokémon GO Fest 2019 Dortmund.

Shiny (3) =

July
Shiny Entei was released at the start of Special Raid Challenge.

Shiny (1) =

July
Shiny Mudkip was released at the start of the nineteenth Community Day.

Shiny (3) =

July
Shiny Ekans, Zubat, Koffing and Sneasel were released at the start of Team GO Rocket Disruption.

Shiny (9) =

July
Shiny Rayquaza was released along with its third release.

Shiny (1) =

August
Shiny Ralts was released at the start of the twentieth Community Day.

Shiny (4) =

August
Shiny Bonsly was released at the start of Gift Event.

Shiny (2) =

August
Shiny Poliwag was released at the start of Pokémon GO Fest 2019 Yokohama.

Shiny (4) =

August
Shiny Suicune was released at the start of Special Raid Challenge.

Shiny (1) =

August
Shiny Carvanha and Barboach were released at the start of Water Festival 2019.

Shiny (4) =

September
Shiny Electrike and Shiny Spinda pattern 3 were released along with the change of Field Research.

Shiny (3) =

September
Shiny Sentret and Gligar were released at the start of Johto Journey.

Shiny (4) =

September
Shiny Farfetch'd, Kangaskhan, Mr. Mime and Tauros were released at the start of Global Challenge, Global Hatches.

Shiny (4) =

September
Shiny Turtwig was released at the start of the twenty-first Community Day.

Shiny (3) =

September
Main release of Unova Region on A Unova Unveiling. Shiny Mewtwo was released. Unova-region Pokédex introduced 156 new Pokémon species and 175 distinct forms. Unova Bronze medal became achievable for the first time.

Regular (46) =

Shiny (9) =

September
Shiny Yanma was released at the start of Pokémon GO Safari Zone Montreal.

Shiny (2) =

September
Shiny Altered Forme Giratina was released.

Shiny (1) =

September
Shiny Zangoose, Seviper and Mime Jr. were released at the start of World Tourism Day.

Regular (1) =

Shiny (3) =

October
Shiny Oddish was released at the start of Pokémon GO Safari Zone New Taipei City.

Shiny (4) =

October
Shiny Trapinch was released at the start of the twenty-second Community Day.

Shiny (3) =

October
Darkrai and Yamask were released at the start of Halloween 2019.

Regular (3) =

Shiny (2) =

November
Shiny Skarmory, Regirock, Regice and Registeel were released at the start of A Colossal Discovery. Shiny Spinda pattern 1 was released along with the change of Field Research.

Shiny (5) =

November
Regigigas was released at the start of A Colossal Discovery Special Research.

Regular (1) =

November
Cobalion was released as a Raid Boss.

Regular (1) =

November
Shiny Meowth was released at the start of Team GO Rocket Leaders Disruption.

Shiny (2) =

November
Galar-region forms (Weezing, Zigzagoon and Linoone) were added to game files, rising up Kanto-region Pokédex to 170 distinct forms and Hoenn-region Pokédex to 162 distinct forms. Shiny Chimchar was released at the start of the twenty-third Community Day. Galarian Weezing was released to celebrate the release of Pokémon Sword and Shield on Galarian Weezing Event.

Regular (1) =

Shiny (3) =

November
Shiny Tentacool was released at the start of Supereffective Week.

Shiny (2) =

November
Terrakion was released as a Raid Boss. Unova Silver medal became achievable for the first time.

Regular (1) =

December
Shiny Burmy was released at the start of Evolution Event.

Shiny (7) =

December
Shiny Gible was released along with the egg shuffle, without any prior announcement.

Shiny (3) =

December
Virizion was released as a Raid Boss.

Regular (1) =

December
Cubchoo and Cryogonal were released at the start of Holiday 2019. Shiny Snover and Stantler were released. For Stantler case, normal shiny version is only available after the event ended.

Regular (3) =

Shiny (3) =