13.1.0

The Switch 13.1.0 system update was released on October 26, 2021 (UTC). This Switch update was released for the following regions: ALL, and CHN.

Security flaws fixed: <fill this in manually later, see the updatedetails page from the ninupdates-report page(s) once available for now>.

Change-log

Official ALL change-log:

• Added support for Nintendo Switch Online + Expansion Pack.
• General system stability improvements to enhance the user's experience.

System Titles

• The following sysmodules were updated: bluetooth, bcat, nifm, bsdsocket, hid, ldn, nvservices, account, ns, am, nim, btm, erpt, es, olsc.
• The following SystemData were updated: ErrorMessage, BrowserDll, Help, LocalNews, FirmwareDebugSettings, BootImagePackages, ControllerIcon, ControllerFirmware, SystemVersion/RebootlessSystemUpdateVersion.
• The following applets were updated: qlaunch, playerSelect, web-applets, overlayDisp, photoViewer, myPage.

NPDM changes:

• bcat: Access to ovln:snd and sprof:sp were added.
• olsc: Access to mnpp:sys was added, see Services_API for the service-host change.
• qlaunch: Access to mnpp:sys and spbg:sp were added.
• LibAppletLns: Access to caps:ss and mnpp:web were added.

BootImagePackage

Package2 in RomFS were updated.

Kernel

• SDK version bump from 13.3.0.0 to 13.4.0.0.
• KSchedulerLock::Unlock now performs a data memory barrier (inner shareable) before performing scheduling.
• KScheduler::Scheduler now performs a data memory barrier before returning, when the next thread is the current thread.
  • These changes probably go together, to prevent asynchronous reordering of these operations across cores.

See Also

System update report(s):

• [1]