21.1.0

The Switch 21.1.0 system update was released on December 9, 2025 (UTC). This Switch update was released for the following regions: ALL.

Security flaws fixed: <fill this in manually>.

Change-log

Official ALL change-log:

• General system stability improvements to enhance the user's experience.

System Titles

• The following titles were updated:
  • Sysmodules: bcat, nifm, ns, psc, nim, pctl, creport, migration, olsc.
  • SystemData (non-sysver): BrowserDll, ClientCertData.
  • Applets: qlaunch, LibAppletWeb, LibAppletShop, LibAppletOff, LibAppletLns, LibAppletAuth.

creport

The code which terminates the process when the enable_jit_debug argument is true is now duplicated. Before, the process was terminated before the screenshot attachment was submitted to erpt. Now, if the process is not an application, termination occurs prior to screenshot attachment is submitted; otherwise, application processes are terminated after the screenshot attachment is submitted.

RomFs changes:

• BrowserDll: "/buildinfo/buildinfo.dat" updated, "/nro/netfront/core_3/Default/cfi_nncfi/oss_wkc.nro.lz4" updated, "/nro/netfront/core_3/Default/cfi_nncfi/peer_wkc.nro.lz4" updated, "/nro/netfront/core_3/Default/cfi_nncfi/webkit_wkc.nro.lz4" updated
• SystemVersion: All files updated.
• LibAppletOff/LibAppletWeb/LibAppletShop/LibAppletLns/LibAppletAuth: All files updated.

See Also

System update report(s):

• [1]