docs: add provisional changelog for ams 1.9.0

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Michael Scire 2025-05-02 20:35:41 -07:00 committed by SciresM
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# Changelog
## 1.9.0
+ Basic support was added for 20.0.0.
+ The console should boot and atmosphère should be fully functional. However, not all modules have been fully updated to reflect the latest changes.
+ There shouldn't be anything user visible resulting from this, but it will be addressed in a future atmosphère update.
+ The same action item from 18.0.0 remains, and I believe in my heart of hearts that it will be addressed eventually. Someone has told me they're working on it.
+ There aren't (to my knowledge) outstanding 19.0.0 items any more.
+ **Please note**: As a result of changes made to nintendo's software in 20.0.0, there is roughly 10MB less memory available for custom system modules.
+ We can only steal a maximum of 14MB from the applet pool, down from 40MB.
+ To compensate for this, `ams.mitm`'s heap usage has been reduced by 20MB.
+ To facilitate this, a new helper module (`memlet`) was added, so that memory may be temporarily stolen during the romfs building process.
+ Hopefully, this results in relatively little breakage, however it is possible that user mods which replace extremely large numbers of files in The Legend of Zelda: Tears of the Kingdom may no longer function.
+ If you are affected by this, you will see "Data abort (0x101)" when trying to launch the game with mods.
+ Please reach out to `sciresm` on discord if this occurs to share your error report binary. However, some issues may be impossible to fix.
+ I apologize sincerely if the issue is impossible to resolve, but I have been forced unavoidably to make compromises here, and I think this is the best balance to be struck.
+ `exosphère` was updated to reflect the latest official secure monitor behavior.
+ `mesosphère` was updated to reflect the latest official kernel behavior.
+ `loader` was updated to reflect the latest official behavior.
+ `pm` was updated to reflect the latest official behavior.
+ `ncm` was partially updated to reflect the latest official behavior.
+ `erpt` was updated to reflect the latest official behavior.
+ A number of improvements were made to the dmnt cheat engine.
+ New instructions were added, and instructions were updated for improved/new functionality.
+ Please see the documents for details -- thanks @tomvita!
+ General system stability improvements to enhance the user's experience.
## 1.8.0
+ Basic support was added for 19.0.0.
+ The console should boot and atmosphère should be fully functional. However, not all modules have been fully updated to reflect the latest changes.