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Atmosphère 1.5.4
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@SciresM SciresM released this 14 May 10:27
· 186 commits to master since this release
1.5.4
3cb54e2

1.5.4 is Atmosphère's seventy-third official release.

Please be sure to update fusee when upgrading to 1.5.4. fusee-primary no longer exists, and will not work any more.

With thanks to the @switchbrew team, Atmosphère 1.5.4 is bundled with hbl 2.4.3, and hbmenu 3.5.1.

The following was changed since the last release:

  • Experimental new functionality was implemented to prevent crashing when building romfs for certain games with obscene file counts.
    • This includes both Fire Emblem: Engage (~190000 files), and The Legend of Zelda: Tears of the Kingdom (~300000) files.
    • The solution involved adding functionality to ams.mitm/pm to dynamically steal memory from the application (and system) pool as needed when the games have romfs mods.
      • No memory is taken, and there is no cost to this functionality when playing without mods (or with overrides disabled).
    • The Legend of Zelda: Tears of the Kingdom is currently the absolute worst case game, requiring ~48 MB of memory to build a romfs image to play with mods.
      • Right now, the memory is sourced as follows: 32 MB (base ams.mitm heap), 10 MB (stolen from application pool), 8 MB (dynamically stolen from system pool).
      • This is 50 MB, which allows a little overhead in the worst case (prevents crashing due to exhausting the heap for other allocations in ams.mitm).
      • Zelda is remarkably sensitive to memory being stolen from the application pool, tolerating no more than 16 MB on 1.0.0 and 12 MB on 1.1.0. I have chosen to steal 10 MB, to be safe, for now.
        • This may break on a future game update, but I will fix it if and when that happens. There is no perfect solution; the game simply requires too much memory to support mods flawlessly, and I am forced to compromise.
    • As usual, if you encounter a game that exhausts ams.mitm's memory (crashing it) when loading layeredfs mods, please contact SciresM#0524.
      • "I am jinxing myself by saying this, but it's really hard to imagine any game being worse than The Legend of Zelda: Tears of the Kingdom, but if it happens again I will drop everything to fix it as usual".
  • General system stability improvements to enhance the user's experience.

For information on the featureset supported by 1.5, please see the official release notes.

Contributors

switchbrew
Assets 4
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