The devs promised an update shortly after the new games' release and they have kept their word! PKHeX now sports experimental support for the latest Pokémon titles on the Nintendo Switch, Sword and Shield: not only all your usual Pokémon genning and modification functions are in, but Pokédex, Item and Trainer Info editing are there as well. An initial legality checker for 8th gen species is also included!
People who have already messed around with their Pokémon likely need no introduction to PKHeX, however, if it's the first time you hear about it, this tool can be described as a PC based general-purpose save editor for the series' games. All mainline titles are supported, from Gen I all the way to VIII, including LGPE. Its usage is simple: you only need to obtain your game's save file (emulators and consoles are both supported, you will need to use a dumper if playing on the former) and open it in the program, then you'll be greeted with a UI that can be described as an amped-up Pokémon Storage Box. After that, the sky is the limit: you can either modify your own creatures or generate new ones from thin air! You can also export your Pokémon as individual files that can be shared to other users and get re-imported later, making PKHeX also a sort of free homebrew bank, transfer and cloning service. And, as hinted before, it doesn't stop there: many more features are also available, such as legality checking, bag editing as well as other game-specific ones (ribbon editing, mystery gift injection and so on)!
Other minor improvements for earlier games have also been added. Here are the official release notes:
Quoted from release notes:
19/11/15 - New Update:
- Introducing Sword/Shield support! Thanks @SciresM and @sora10pls for troubleshooting prior to release!
- - Initial Legality Checking is provided. Please refer to the forums when reporting legality issues for Generation 8 parsing.
- - Bag editing, Pokédex, and Trainer Info editing is provided.
- Changed: PKHeX.Core.dll is now merged in with the main executable.
- Changed: PKHeX.WinForms spriting has now been split into a separate project. On build, it is merged into the main executable.
- Changed: .NET Core 3 support added for WinForms builds. .NET Framework 4.6 build is still the main build option.
- Changed: Project internals now use C# language version 8, the latest. Nullable compiler checks enabled for PKHeX.Core.
- Removed: Mono build no longer required due to font loading rework. No platform specific code remains!
- Changed: Slot grids are now generated instead of manually created. Party and Battle Box now appear differently.
- Changed: Encounter Slot generators now use game-specific logic to yield slots.
- Fixed: Gen6 Fashion for females now exposes the remaining fields.
- Fixed: Legality parsing for misc things fixed. Thanks @Rayqo, @steph9009, @iiippppk!
- Fixed: Mystery Gift received flags are now set correctly. Thanks tsubasa830!
- Fixed: Loading box data binaries now applies it to the current box. Thanks @PKMWM1!
- Fixed: Gen4 Poketch now behaves correctly in the editor, no longer deleting itself.
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However, as it's been said from the get-go, keep in mind Sword/Shield support should be considered experimental
for the time being. Even if PKHeX offers automatic backups, it's always a good idea to make your own if you care about your save file - so it should be twice
as important to keep an original, unedited copy somewhere when even the devs tell you there may be unexpected results. Be sure to warn them if anything's not right: reporting issues on their GitHub repo (linked below) is encouraged!
Keep your game progress safe - one pre-emptive backup can solve a million headaches later!