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Atmosphere v1.12.0 released, adds support for Switch firmware 23.0.0

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It's that time again. Prepare your Switch updates! Or prepare to forgive your sister's nephew's dog for updating your Switch a few weeks ago. Atmosphere v1.12.0 has just released, with the headline feature of course being the initial support for Switch firmware 23.0.0.

You can find the full release notes below:

Release Notes said:
1.12.0 is Atmosphère's ninety-third official release.

Please be sure to update fusee when upgrading to 1.12.0. fusee-primary no longer exists, and will not work any more.

With thanks to the @switchbrew team, Atmosphère 1.12.0 is bundled with hbl 2.4.5, and hbmenu 3.6.1.

The following was changed since the last release:
  • Support was added for 23.0.0.
  • Special thanks to @alula for handling the implementation of several kernel changes.
    • The console should boot and atmosphère should be fully functional.
    • Please note: As a result of changes made to nintendo's software in 23.0.0, there is even less memory available for custom system modules.
      • The amount of memory we can steal from the applet pool has been reduced beyond 7MB and we can no longer launch browser applets (e.g.: eshop) without crashing.
      • To compensate for this, a set of patches for the browser applets has been introduced.
        • Thanks to the redesign of the browser applets in 22.0.0 there are only 3 applets we need to worry about: systemWeb, openWeb and LibAppletOff.
        • With the added burden of maintaining patches for these applets, we can reclaim around 9MB of reserved memory by patching out their allocations.
        • This memory is provably unused and stealing it should not affect the browser applets in any way as the applets themselves tag it as reserved and never access it.
        • As a result, the memory available for custom system modules has been experimentally increased to 16MB.
        • Preliminary testing has seemingly shown no downsides to the overall functioning of the OS and the browser applets in particular.
        • Nonetheless, please report any issues you may face to ensure no edge cases have been missed and to determine if the memory amount needs to be adjusted.
        • These patches may be deprecated at any point in the future if a better solution is devised.
    • exosphère was updated to reflect the latest official secure monitor behavior.
      • A new ConfigItem was added to the secure monitor for the first time since firmware 5.0.0.
    • mesosphère was updated to reflect the latest official kernel behavior.
      • The kernel now supports a 42bit wide address space.
      • A new memory region dubbed ShadowStack has been introduced.
      • Kernel RNG was changed to CTR-DRBG.
    • boot was updated to reflect the latest official behavior and to implement a previously missing change.
      • The way battery i2c shutdown was being enabled changed in firmware 18.0.0 and we missed it.
      • It is possible this might have been related to a known battery draining issue reported to have started around firmware 18.0.0. Further testing will be needed to confirm.
    • loader was updated to reflect the latest official behavior.
    • erpt was updated to reflect the latest official behavior.
    • pgl was updated to reflect the latest official behavior.
    • ro was updated to reflect the latest official behavior.
      • NROs can now be lz4 frame compressed.
  • ZBIC compresison/decompression has been properly implemented. Applications using it should now launch and work properly.
  • A dockerfile has been added to atmosphère (thanks @alula).
  • R_DISCARD macro has been adopted across the entire codebase where applicable. This finishes the work started in version 1.10.0 and eliminates the nodiscard warnings during compilation.
  • General system stability improvements to enhance the user's experience.
For information on the featureset supported by 1.12, please see the official release notes.
Click to expand...

As always you can find the GitHub releases page linked below.

:arrow: Atmosphere Download
 
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SnowStormAkikaze said:
Yeahh less "memory available for custom system modules " I won't bother update to this version, 22.5.0 is already enough.

almost no new game SWITCH 1 anymore.
Click to expand...
New updates will require it though, also with the new patches giving back 9MB (16MB total) it should be plenty as long as there are no reported issues.
 
SnowStormAkikaze said:
Yeahh less "memory available for custom system modules " I won't bother update to this version, 22.5.0 is already enough.

and btw almost no new game come for SWITCH 1 anymore.
Click to expand...
You should read the whole changelog before commenting…

  • To compensate for this, a set of patches for the browser applets has been introduced.
  • As a result, the memory available for custom system modules has been experimentally increased to 16MB.
 
I got a System Update prompt when I wanted to update Mario Kart 8 Deluxe via Match local version using another Switch. So this is welcoming to me.
 
Yeah, the reduced memory has been a thing for a while. It only really matters if you're doing heavy modding for games like ToTK or loads of overlay stuff anyway.

You can also use the latest Atmosphere without updating the Switch firmware, since the memory limitation is on Nintendo's end and it sounds like this new Atmosphere version could help with battery life.
 
That took a while longer than usual (not trying to criticise anyone, just an observation).
Did the switch update change a lot this time behind the scenes?
 
fabianon said:
That took a while longer than usual (not trying to criticise anyone, just an observation).
Did the switch update change a lot this time behind the scenes?
Click to expand...
The patch notes indicate some fairly significant changes to multiple system modules that were implemented this time, as well as the aforementioned new applet patching system to recover more memory for sysmodules.

TL;DR yes.
 
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