The Pixelmon Modpack

Additions:

• NPC trainers can now Terastallize, toggled in the NPC editor.
• Showdown pastes now import and export Tera Types.
• /pokebattle can start wild battles again.
• Pokémon now spawn in biomes from Vanilla Backport, Regions Unexplored and Nature's Spirit.

New Pokémon:

• Added Mega Clefable.
• Added Mega Chimecho and a Festival palette.
• Added Mega Drampa.
• Added Mega Eelektross.
• Added Mega Zeraora.
  • All five can also appear as Mega Bosses.
• Added a Halloween palette for Bloodmoon Ursaluna, found in swamps on full moon nights.

Changes:

• Galarian Articuno, Zapdos and Moltres now spawn in the wild once their research is complete.
  • Articuno appears in Freezing Mountains in the air at night.
  • Moltres in Mesas and Volcanic biomes in the air at night.
  • Zapdos in Savannas on land during the day.
• Bloodmoon Ursaluna now spawns once The Crimson Moon research is complete. It appears in swamps on full moon nights with a group of Ursaring, and in the Ultra Forest at night.
• Type towns are now much more common. This only affects newly generated chunks.
• Mega Starmie now has Huge Power with lower Attack, and Mega Chandelure has Infiltrator, matching Pokémon Champions.
• 23489 Updated movesets for Pikachu, Raichu, Alolan Raichu, Deoxys, Shellos, Gastrodon, Rotom, Giratina, Deerling, Sawsbuck, Eternal Floette, Minior, Sinistea and Polteageist to match Scarlet & Violet.
• Lucario and Mewtwo have been remodelled with new textures.
• The Max Mushroom has a new look. It also bounces you like a bed, stops fall damage, and can now spread at any height.
• Benches, Cash Registers, Relic Statues, Movement Plates and other decorative blocks can now be waterlogged.
• Middle-clicking an NPC gives you its editor item again, and Dens now give the right item for their raid type.
• Players joining a Pixelmon server without Pixelmon installed now get a clear message telling them which version they need.
• Using /wiki is no longer announced to operators.

Fixes:

• 23543 Fixed Ogerpon spawning without The Masked Wanderer research being completed.
• 23544 23247 Fixed NPCs losing their AI and standing still after a chunk reload or restart. NPCs already affected need their preset re-applied in the editor.
• Fixed PCs and /pc not opening for some players, mostly those with near-empty PCs.
• Fixed swapping or taking held items between your party and PC doing nothing.
• Fixed the PC search getting stuck partway through typing searches like move:thunderbolt.
• 23532 Fixed the Cancel button on the Move Tutor not closing it properly.
• 23442 Fixed /pokebattle not working with NPCs.
• 23253 Fixed the Hidden Power icon appearing in the corner of the Pokémon Editor in languages other than English.
• Fixed the Pokémon Editor not showing an error when a PokéPaste had a bad value.
• 23550 Fixed Aegislash's arms being invisible from behind, and Shield Forme Aegislash not holding its shield properly.
• Fixed Tera Crowns sitting in the wrong place on Arcanine, Dondozo and Espeon.
• Fixed Zygarde Cells spawning across chunk borders and leaving broken blocks behind.
• 23116 Fixed flowing water breaking Movement Plates and Stick Plates.
• 23333 Fixed break particles on the Fossil Machine, Trash Can, Zygarde Cell and Zygarde Core.
• Fixed server errors when a player clicked in the raid screen just after leaving the raid.
• Fixed several spawn rules that never worked, including Meowth's snowy village bonus.
• Fixed a couple of rare spawning crashes.
• Fixed a drop that gave nothing instead of Dragon's Breath.

Battle Fixes:

• Horde Pokémon now hold their spot when a neighbour faints instead of shuffling along.
• Added battle rules to turn off Dynamax and Terastallization.
• 23495 Battle animation speed has been increased.
• 23501 23524 Fixed attacks in horde battles hitting the wrong Pokémon after one was knocked out.
• 23545 Fixed big hits, like Judgment with a Legend Plate, knocking out raid bosses before their shields went up.
• 23539 Fixed caught raid bosses not keeping the perfect IVs, shiny or ability they had in the raid.
• 23493 Fixed Eject Pack not activating when its holder lowered its own stats, like with Overheat or Close Combat.
• Fixed players getting stuck on the team select screen after confirming without picking any Pokémon.
• Fixed a crash when a battle ended while someone was spectating it.
• 23554 Fixed a crash during Dynamax raid cheers that could end the raid battle.
• Fixed multi-turn moves like Rollout hitting twice and ending the battle when called by Metronome, Mirror Move or Copycat.
• Fixed damaging moves failing against Dark types after Trace copied Prankster.

Datapack:

• Blank imprint rates can now be changed for TMs of every generation, not just Gen 8.
• Tera Types added by datapacks can now be set in the Pokémon Editor.
• Pokémon specs with a missing value, like move: or gender:, now give a parse error instead of throwing.
• Added a pixelmon:testfor_command condition for NPC interactions and research, which passes when a command like /execute if ... succeeds.

Developer:

• Spectators now keep a reference to the battle they're watching. The old Spectator constructor is deprecated.