diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..2eec736
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,162 @@
+# Changelog
+
+## [Unreleased]
+
+### Added
+- Support for the SuperChis slot 2 card - by @edo9300
+- Most of the remaining SDK 2-4 DMA patches - by @taxicat1
+
+### Fixed
+- Star Wars Jedi Alliance patch - by @taxicat1
+
+## [v1.5.0] - 1 Feb 2026 - Puppy Palace Release 🐶
+> [!IMPORTANT]
+> With this release a new file `patchlist.bin` is introduced that needs to be copied to the `/_pico` folder on your SD card.
+
+### Added
+- AP patch for Last Window: The Secret of Cape West - by @taxicat1
+- Missing CARDi_ReadRomIdCore signature for Top Spin 2 (USA) - by @taxicat1
+    - Fixes Top Spin 2 (USA) on DSTT and slot 2 cards
+- Patch list with misc arm9 patches and metafortress addresses - Implementation by @Gericom, patch list contents by @taxicat1
+    - Puppy Palace (USA), My Puppy Shop (Europe), Machi no Pet-ya-san DS - 200 Piki Wan-chan Daishuugou (Japan)
+    - Castlevania - Portrait of Ruin (USA) and (Europe), Akumajou Dracula - Gallery of Labyrinth (Japan), Akumajou Dracula - Gallery of Labyrinth (Japan) (Rev 1)
+    - Luminous Arc 2 (USA) and (Europe), Luminous Arc 2 - Will (Japan)
+    - Children of Mana (USA) and (Europe), Seiken Densetsu DS - Children of Mana (Japan)
+    - Dementium II (USA) and (Europe), Tozasareta Byoutou - Dementium II (Japan)
+    - Grand Theft Auto - Chinatown Wars (USA), (Europe) and (Japan)
+    - Star Wars - The Clone Wars - Jedi Alliance (USA) and (Europe)
+    - C.O.P. - The Recruit (USA) and (Europe)
+    - Battle of Giants - Dragons (USA) (Rev 1), Combat of Giants - Dragons (Europe)
+    - Battle of Giants - Mutant Insects (USA), Combat of Giants - Mutant Insects (Europe)
+    - Captain America - Super Soldier (USA) and (Europe)
+    - Imagine - Resort Owner (USA), Imagine - Dream Resort (Europe)
+    - Might & Magic - Clash of Heroes (USA) and (Europe)
+    - Prince of Persia - The Forgotten Sands (USA) and (Europe)
+    - Kirby - Mass Attack (USA) and (Europe), Atsumete! Kirby (Japan), Moyeora! Kirby (Korea)
+- Keep a valid stack pointer when booting the arm9
+    - Fixes Battle of Giants - Mutant Insects (USA), Combat of Giants - Mutant Insects (Europe) together with the patch in the patch list
+- System for adjusting addresses for autoload - by @taxicat1
+    - Fixes New Super Mario Bros (USA)
+- Attempt to fix rom hacks that decompress the arm9, but don't set compressedEnd to zero
+    - Fixes Pokemon SoulSilver Deluxe (together with the fix for roms repacked in unusual ways)
+- Support for CARDi_ReadCard signature used by Chou Soujuu Mecha MG - by @taxicat1
+
+### Changed
+- Reduce size of some patch codes - by @edo9300 and @Gericom
+    - Fixes Dragon Quest Heroes - Rocket Slime (USA), Imagine - Fashion Designer (Europe) and Mugen Kouro (Japan)
+- Improve handling of module params and locating of unused libsyscall space to support rom hacks that repack roms in unusual ways
+    - Fixes Coropata (English translation)
+
+### Fixed
+- Ignore rom reads into null pointer destinations - by @taxicat1
+    - Fixes Tony Hawk's Downhill Jam
+
+## [v1.4.0] - 11 Jan 2026
+
+### Added
+- Overlay patch to fix race condition in Kirby Super Star Ultra - by @taxicat1
+- Overlay patch for hombrew AP in Rabbids Go Home - by @taxicat1
+- Bypass region locking on iQue games - by @R-YaTian
+- Properly set MBK9 (twl wram locking) settings - by @R-YaTian
+- Support for SDK variant with a lot of inlining
+    - Fixes Tropix! ...Your Island Getaway and Think - Training für den Kopf - Kids - Spiel Dich Schlau!
+    - Note that these two games don't work yet on platforms that need card id patches (DSTT and slot2 platforms)
+- Support for Slot 2 flashcarts using Compact Flash - by @edo9300
+    - Supercard CF (SUPERCARDCF)
+    - GBA Media Player CF (MPCF)
+    - M3 Adapter CF (M3CF)
+    - Max Media Dock CF (MMCF)
+- Proper detection of DS mode DSiWare
+    - Fixes DS Download Play and Pictochat DSiWare apps
+- Support for the homebrew bootstub that allows to return to the launcher application
+    - The Pico Loader API was updated to v2 for this purpose. The new `launcherPath` field needs to be set to the path of the launcher rom. The bootstub is only inserted when `launcherPath` is specified. As such, you will also need to update your launcher. If you are using Pico Launcher, support was added in v1.1.0.
+
+### Changed
+- Duplicate entries removed from save list and missing title added - by @synthic
+    - Fixes Disney Two Pack - Frozen Olaf's Quest + Big Hero 6 - Battle in the Bay (USA)
+- Improve nocash print support detection to also detect melon ds - by @synthic
+- Lock scfg9 when switching from DSi to DS mode
+    - Fixes homebrew with a DS mode header that tries to detect DSi mode. This for example fixes touch in DSCraft.
+
+### Fixed
+- DATEL: Make read sector function vram safe - by @edo9300
+    - Fixes some games that read directly to vram and fixes games that use OS_ResetSystem on the DATEL platform
+- Proper handling of blx branches in CardiTryReadCardDmaPatch - by @taxicat1
+    - Fixes Ninja Gaiden - Dragon Sword (USA)
+- Fix sCARDiTryReadCardDmaPatternSdk3017530 matching multiple variants - by @taxicat1
+    - Fixes Unou no Tatsujin - Soukai! Machigai Museum 2 (Japan), Trioncube (Europe) (En,Fr,De,Es,It), Tetris DS (Korea), Original Frisbee Disc Sports - Ultimate & Golf (USA) and LifeSigns - Surgical Unit (USA)
+- Fix Shaberu! DS Oryouri Navi (Japan) (rev 0 and 1) by accounting for a spurious CARDi_ReadCard match
+
+## [v1.3.1] - 29 Dec 2025
+
+### Fixed
+- DATEL: Put back the full spi cycle routine when sending commands - by @edo9300
+    - Fixes issues with some SD cards on the DATEL platform
+
+## [v1.3.0] - 28 Dec 2025
+
+### Added
+- Properly set the supported language, user language, and region based on the ROM's region - by @R-YaTian
+    - This bypasses the region lock or language lock in some dsiware games.
+- Missing OS_ResetSystem signature - by @taxicat1
+    - Fixes crashes in Tetris DS and other games that have this signature.
+- Support for roms with a writable NAND chip.
+    - Fixes WarioWare D.I.Y., Face Training, Jam with the Band and Nintendo DS Guide.
+- Special save initialization for Jam with the Band and Daigassou! Band-Brothers DX
+- New supported platform: Datel (Games n' Music and Action Replay DS(i)) - by @edo9300
+- New supported platform: Stargate 3DS - by @lifehackerhansol
+
+### Changed
+- Optimized space usage of supercard platform - by @edo9300
+- Check in CardiTaskThreadPatch that the required slot is actually mapped to arm7.
+    - Fixes Power Rangers - Samurai.
+
+### Fixed
+- Fix CardiTaskThreadPatch to apply the right patch for all signatures
+    - This fixes various games, including Chibi Robo! Park Patrol, Rainbow Islands Revolution, MechAssault - Phantom War and Diddy Kong Racing DS (USA).
+
+## [v1.2.0] - 22 Dec 2025
+
+### Added
+- Support for DSProtect patches in static arm9 - by @taxicat1
+- Support for unusual DSProtect configurations - by @taxicat1
+    - Fixes Dragon Ball: Origins 2 and Puyo Puyo 7
+- Proper implementation of save verification
+    - Fixes Madagascar, Bleach: Dark Souls and Final Fantasy Crystal Chronicles: Echoes of Time
+
+### Changed
+- Improve Pokémon IR sensor AP patches - by @taxicat1
+    - Fixes Pokémon HeartGold and SoulSilver
+- Always boot roms with slot 1 and 2 mapped to arm7
+    - Fixes FastVideoDSPlayer homebrew
+- Improve Sdk5DsiSdCardRedirectPatch
+
+### Fixed
+- Fix some retail roms being detected as homebrew
+    - Fixes Scooby Doo! - Unmasked and Kim Possible - Kimmunicator
+- Fix some system tool DSi roms being misdetected as DSiWare
+
+## [v1.1.0] - 4 Dec 2025
+
+### Added
+- Support for EZ-Flash Parallel platform - by @lifehackerhansol
+- Add a few more games to the DLDI patch blacklist
+    - Fixes Final Fantasy Crystal Chronicles - Ring of Fates (EU and US) and Nanashi no Geemu
+- Clear all arm9 CPU registers before booting a game
+    - Fixes the Cake Ninja DSiWare titles
+
+## Changed
+- Simplified and improved DSProtect patches - by @taxicat1
+    - Fixes Saga 3: Shadow or Light and Solatorobo: Red the Hunter
+
+## [v1.0.1] - 29 Nov 2025
+
+### Added
+- Add Mario vs. Donkey Kong - Mini-Land Mayhem! US rev 2 (V2GE) to the AP list - by @IceKareemCheese
+
+### Fixed
+- Fix the DSProtect v2.03 patch (thanks @taxicat1)
+    - Fixes Professor Layton and the Last Specter among others
+
+## [v1.0.0] - 25 Nov 2025
+- Initial release