rh-hideout/pokeemerald-expansion expansion/1.15.1

Expansion 1.15.1

on GitHub

## How to update
- If you haven't set up a remote, run the command `git remote add RHH https://github.com/rh-hideout/pokeemerald-expansion`.
- Once you have your remote set up, run the command `git pull RHH expansion/1.15.1
`.

🧬 General 🧬

Changed

• Make trainerproc-generated files depend on trainerproc by @rayrobdod in #9414
• Update event_objects.h hex values by @shachar700 in #9418
• Remove need to run make clean when switching between frlg and emerald by @grintoul1 in #9406
• Parallelize CI jobs and cache build tools by @TrevorEdris in #9528
• fix(preproc): Remove unused private field m_scriptData by @lhearachel in #9581
• fix(learnset_helpers): Harden regex-patterns for preproc directives by @lhearachel in #9582
• Silence Makefile map_version message by @grintoul1 in #9590
• docs: added note about BoxPokemon encryption works test by @pkmnsnfrn in #9619
• Pret merge (29th of March, 2026) by @hedara90 in #9658

Fixed

• Fix FRLG party menu Oak support message window by @montmoguri in #9412
• Fix free match call compile fail by @FosterProgramming in #9416
• Fix GetSpeciesPreEvolution triggering assertf with disabled species by @hedara90 in #9455
• Adds missing include in intro_frlg.c by @grintoul1 in #9483
• Fix battle type doubles for debug battle by @FosterProgramming in #9486
• Fix trailing newline failing tests by @cawtds in #9495
• Fix newlines not working with sprite printing by @hedara90 in #9502
• Fix money amount printed on whiteout by @FosterProgramming in #9517
• Fix assert hits when species are disabled by @cawtds in #9520
• Fix Some HGSS Dex Visuals by @HashtagMarky in #9534
• Fix assert failure on disabled species in Sprite Visualizer by @hedara90 in #9422
• Fix FREE_ENIGMA_BERRY breaking GF Rom Header by @AsparagusEduardo in #9599
• Fix tile allocation for unique egg and species sprite in PC by @hedara90 in #9613
• Split region map layouts by map by @AsparagusEduardo in #9580
• Fix flipped FakeRTC check by @hedara90 in #9597
• Allow make release and check for FRLG by using the BUILD variable by @FosterProgramming in #9465
• Fix dex absences for cross gen configs by @luuma in #9337
• fix: set printer type for AddTextPrinterParameterized6 by @mudskipper13 in #9628
• Fix all-contributors by @hedara90 in #9659

🗺️ Overworld 🗺️

Fixed

• Fix tutor_moves.h files containing duplicates by @FosterProgramming in #9423
• Version specific tweaks of post whiteout script by @FosterProgramming in #9521
• Fix Berry Mutation Chance by @ghoulslash in #9530
• Fixes debug menu Fly Flags toggle by @grintoul1 in #9607
• Corrects music for FRLG maps and some functions by @grintoul1 in #9606
• Fix fateful encounter starting battle with 0 hp by @FosterProgramming in #9621
• Fix timing and structure of Apricorn Tree messages by @BluSunrize in #9650

🐉 Pokémon 🐉

Changed

• Adds Cherrim Overworld sprite by @luuma in #9442

Fixed

• Fix custom eggs displaying as regular eggs on Storage System by @AsparagusEduardo in #9603
• Fix shininess of form changed battle mon after reshowing battle screen by @cawtds in #9524
• Fixed Kanto dex cross-gen evolutions by @fdeblasio in #9617
• Fix disabled species appearing in evolution struct by @hedara90 in #9574

⚔️ Battle General ⚔️

Changed

• Clean unused function from header by @AsparagusEduardo in #9541
• Fallthrough instead break after ordering by speed by @AlexOn1ine in #9633

Fixed

• Fix ability reference in Steadfast message by @PhallenTree in #9389
• Fixes U-turn not reseting targetsDone flag by @AlexOn1ine in #9411
• Fix Unseen Fist triggering protection move side effects by @Cle-bit in #9428
• Partial fix to incorrect Throat Spray behaviour, with a fix to summary_screen config that no longer works by @luuma in #9426
• Fix ally targeting moves crashing in single battles by @PhallenTree in #9433
• Fix weatherform change when primal weather leaves the field by @AlexOn1ine in #9424
• Fixes Trump Card's power calculation using its own PP when called by another move by @PhallenTree in #9445
• Missing shouldAbilityTrigger by @AlexOn1ine in #9447
• Fix Lightning Rod activation on fainted mon by @AlexOn1ine in #9434
• Fixes abilities that grant type immunities not outputting battle messages by @LinathanZel in #9470
• Fix order of failure for spread moves by @AlexOn1ine in #9472
• Fixes Knock Off / Ogerpon behavior by @AlexOn1ine in #9478
• Fixes Critical Hit message being printed on fixed damage moves by @AlexOn1ine in #9489
• Fixes Secret Power Terrain effects not being applied by @PhallenTree in #9492
• Fix various stuff not working when hitting substitutes by @hedara90 in #9487
• Fix Magic Bounce reflecting Hazards from a semi-invulnerable position by @AlexOn1ine in #9501
• Fixes Lock On by @AlexOn1ine in #9496
• Fix Magic Coat activation if in Semi-Invulnerable state by @AlexOn1ine in #9503
• Fixes Dancer original attacker/target being overwritten by @PhallenTree in #9515
• Fix Magic Guard activation against Rough Skin by @AlexOn1ine in #9516
• Fix visual glicth during critical capture by @FosterProgramming in #9538
• Fix SafeguardProtected script by @AlexOn1ine in #9559
• Fix duplicate Trick Room end message when used again by @Cle-bit in #9546
• Fix Commander cleanup to only clear STATE_COMMANDER semi-invulnerability for partners by @Cle-bit in #9598
• Fix Commander forced-switch blocking after swallowed Tatsugiri faints, plus Commander tests cleanup by @Cle-bit in #9609
• Fix Mirror Move failing when the target is immune to the copied move by @Cle-bit in #9604
• Fix Wind Power and Electromorphosis triggering before fainting and Tailwind absent-battler ability activation by @Cle-bit in #9635
• Fixed Meteor Beam and Electro Shot being callable via Sleep Talk and Instruct by @LinathanZel in #9631
• Fix ability history recording ownership for Infiltrator, Punk Rock, and Ice Scales by @Cle-bit in #9639
• Fix Ability Shield interaction for Receiver and Power of Alchemy by @Cle-bit in #9649
• Fix Gorilla Tactics Dynamax behavior by @Cle-bit in #9643

🧶 Items 🧶

Changed

• Add better Strange Ball sprite by @kittenchilly in #9556

Fixed

• Fix negative friendship modifiers not working properly by @FosterProgramming in #9622

🤖 Battle AI 🤖

Fixed

• Fix missing AI handling for partnerProtecting and Well-Baked Body by @Cle-bit in #9385
• Fix AI's inability to use Acupressure on its ally by @Pawkkie in #9437
• Fixes Bide's AI scoring being boosted by being able to boost offensive stats by @PhallenTree in #9435
• Fix for trap effect groundedness being seen incorrectly by @Meister-anon in #9396
• Fix AI_CompareDamagingMoves reading incorrect move indexes by @Pawkkie in #9454
• Rage fist fix by @MaximeGr00 in #9405
  • Rage Fist now sees stacks properly for switch logic.
• Retaliate post ko bug fix by @MaximeGr00 in #9561
  • Retaliate damage is now seen correctly for both post-ko and on field damage calculations.
• Fix AI debug timers by @Pawkkie in #9585
• Fix AI using Yawn into Flame/Toxic Orb self-status targets by @Cle-bit in #9626

🧹 Other Cleanup 🧹

• Update event_objects.h hex values by @shachar700 in #9418
• Remove need to run make clean when switching between frlg and emerald by @grintoul1 in #9406
• Clean unused function from header by @AsparagusEduardo in #9541
• docs(tutorials): clean up mon_generation tutorial for readability by @kildemal in #9531
• fix(preproc): Remove unused private field m_scriptData by @lhearachel in #9581
• fix(learnset_helpers): Harden regex-patterns for preproc directives by @lhearachel in #9582
• Silence Makefile map_version message by @grintoul1 in #9590
• Fallthrough instead break after ordering by speed by @AlexOn1ine in #9633

🧪 Test Runner 🧪

Changed

• Add tests for Taunt by @Cle-bit in #9386
• PARAMETRIZE_LABEL now supports multiple args by @AsparagusEduardo in #9206
• Parallelize CI jobs and cache build tools by @TrevorEdris in #9528
• preproc: generate .size in script_data sections by @mrgriffin in #9233

Fixed

• Fix partner difficulty and rework tests by @FosterProgramming in #9419
• Fix Magic Guard activation against Rough Skin by @AlexOn1ine in #9516
• Fix test ROM running out of space at 90%+ usage by @hedara90 in #9623
  • All mon cries in tests now use a single shared cry

📚 Documentation 📚

• docs(tutorials): clean up mon_generation tutorial for readability by @kildemal in #9531
• docs: added note about BoxPokemon encryption works test by @pkmnsnfrn in #9619

New Contributors

• @TrevorEdris made their first contribution in #9528
• @BluSunrize made their first contribution in #9650

Full Changelog: expansion/1.15.0...expansion/1.15.1