Add support for system version 21.2.0

Author: kinnay

README.md

@@ -3,7 +3,7 @@
 
 This package implements a client for various 3DS, Wii U and Switch servers. Check out the [documentation](https://nintendoclients.readthedocs.io) for the list of servers that are currently supported.
 
-For Switch servers, the latest system version that is currently supported is **21.1.0**.
+For Switch servers, the latest system version that is currently supported is **21.2.0**.
 
 For talk about research, feel free to join the [Discord server](https://discord.gg/x8np6Hhxwk) or open a [discussion](https://github.com/kinnay/NintendoClients/discussions) on GitHub.
 

docs/changelog.md

@@ -1,12 +1,19 @@
 
 ## Changelog
 
+### 4.3.0
+* Added support for Switch system version 21.2.0.
+
+*Released on 2026-01-15*
+
 ### 4.2.0
 * **Bug fix:** fix `MatchmakeSession` structure being parsed incorrectly on Nintendo Switch.
 * **Bug fix:** make a distinction between `AnyDataHolder` and `GatheringHolder` structures in NEX.
 * Added support for Switch system version 20.5.0 up to 21.1.0.
 * Added names for previously unknown fields in the `SimpleSearchObject` structure of MK8D.
 
+*Released on 2026-01-02*
+
 ### 4.1.0
 * Added support for Switch system version 20.2.0 up to 20.4.0.
 * Added support for the matchmaking protocol of Monster Hunter XX (3DS).

docs/reference/switch/aauth.md

@@ -46,7 +46,7 @@ The error can be inspected using the following attributes:
 <span class="docs">Changes the content of the `X-Nintendo-PowerState` header. The default is `"FA"`.
 
 <code>**def set_system_version**(version: int) -> None</code></br>
-<span class="docs">Changes the system version that is emulated by the client. The system version should be given as a decimal integer. For example, `1002` indicates system version `10.0.2`. All system versions from `9.0.0` up to `20.4.0` are supported.</span>
+<span class="docs">Changes the system version that is emulated by the client. The system version should be given as a decimal integer. For example, `1002` indicates system version `10.0.2`. All system versions from `9.0.0` up to `21.2.0` are supported.</span>
 
 <code>**async def get_time**() -> tuple[int, str]</code><br>
 <span class="docs">Requests the current server time with `/v1/time`. Returns a tuple that contains the current server time and your public IP address.</span>

docs/reference/switch/atumn.md

@@ -23,7 +23,7 @@ Provides a client for the [system update content server](https://github.com/kinn
 </span>
 
 <code>**def set_system_version**(version: int) -> None</code></br>
-<span class="docs">Changes the system version that is emulated by the client. The system version should be given as a decimal integer. For example, `1002` indicates system version `10.0.2`. All system versions from `9.0.0` up to `20.4.0` are supported.</span>
+<span class="docs">Changes the system version that is emulated by the client. The system version should be given as a decimal integer. For example, `1002` indicates system version `10.0.2`. All system versions from `9.0.0` up to `21.2.0` are supported.</span>
 
 <code>**async def download_content_metadata**(title_id: int, title_version: int, *, system_update: bool = False) -> bytes</code><br>
 <span class="docs">Downloads the metadata NCA for the given title id and version. The `system_update` parameter should only be set to `True` for the system update title (`0100000000000816`).</span>

docs/reference/switch/baas.md

@@ -45,7 +45,7 @@ Provides a client for the [BaaS server](https://github.com/kinnay/nintendo/wiki/
 <span class="docs">Changes the content of the `X-Nintendo-PowerState` header. The default is `"FA"`.
 
 <code>**def set_system_version**(version: int) -> None</code></br>
-<span class="docs">Changes the system version that is emulated by the client. The system version should be given as a decimal integer. For example, `1002` indicates system version `10.0.2`. All system versions from `9.0.0` up to `20.4.0` are supported.</span>
+<span class="docs">Changes the system version that is emulated by the client. The system version should be given as a decimal integer. For example, `1002` indicates system version `10.0.2`. All system versions from `9.0.0` up to `21.2.0` are supported.</span>
 
 <code>**async def authenticate**(device_token: str, penne_id: str = None) -> dict</code><br>
 <span class="docs">Requests an authorization token with `/1.0.0/application/token`. This method must be called before any other requests can be made. The device token can be obtained from the [`dauth server`](dauth.md).<br><br>

docs/reference/switch/dauth.md

@@ -73,7 +73,7 @@ The error can be inspected using the following attributes:
 <span class="docs">Changes the server to which the HTTP requests are sent. The default is `dauth-lp1.ndas.srv.nintendo.net`.
 
 <code>**def set_system_version**(version: int) -> None</code></br>
-<span class="docs">Changes the system version that is emulated by the client. The system version should be given as a decimal integer. For example, `1002` is system version `10.0.2`. All system versions from `9.0.0` up to `20.4.0` are supported.</span>
+<span class="docs">Changes the system version that is emulated by the client. The system version should be given as a decimal integer. For example, `1002` is system version `10.0.2`. All system versions from `9.0.0` up to `21.2.0` are supported.</span>
 
 <code>**async def challenge**() -> dict</code><br>
 <span class="docs">Requests a challenge from the `dauth` server.</span>

docs/reference/switch/dragons.md

@@ -40,7 +40,7 @@ If present, the `invalid_params` field contains a list of dictionaries, each of
 </span>
 
 <code>**def set_system_version**(version: int) -> None</code></br>
-<span class="docs">Changes the system version that is emulated by the client. The system version should be given as a decimal integer. For example, `1002` indicates system version `10.0.2`. All system versions from `9.0.0` up to `20.4.0` are supported.</span>
+<span class="docs">Changes the system version that is emulated by the client. The system version should be given as a decimal integer. For example, `1002` indicates system version `10.0.2`. All system versions from `9.0.0` up to `21.2.0` are supported.</span>
 
 <code>**async def publish_device_linked_elicenses**(device_token: str) -> dict</code><br>
 <span class="docs">Requests all elicenses that are linked to the given device. The device token can be obtained from the [`dauth server`](dauth.md).</span>

docs/reference/switch/five.md

@@ -37,7 +37,7 @@ The error can be inspected using the following attributes:
 <span class="docs">Changes the server to which the HTTP requests are sent. The default is `app.lp1.five.nintendo.net`.
 
 <code>**def set_system_version**(version: int) -> None</code></br>
-<span class="docs">Changes the system version that is emulated by the client. The system version should be given as a decimal integer. For example, `1002` indicates system version `10.0.2`. All system versions from `9.0.0` up to `20.4.0` are supported.</span>
+<span class="docs">Changes the system version that is emulated by the client. The system version should be given as a decimal integer. For example, `1002` indicates system version `10.0.2`. All system versions from `9.0.0` up to `21.2.0` are supported.</span>
 
 <code>**async def get_unread_invitation_count**(access_token: str, user_id: int) -> int</code><br>
 <span class="docs">Requests the number of unread invitations with `/v1/users/<id>/invitations/inbox?fields=count&read=false`.</span>

docs/reference/switch/sun.md

@@ -31,7 +31,7 @@ Provides a client for the [system update meta server](https://github.com/kinnay/
 </span>
 
 <code>**def set_system_version**(version: int) -> None</code></br>
-<span class="docs">Changes the system version that is emulated by the client. The system version should be given as a decimal integer. For example, `1002` indicates system version `10.0.2`. All system versions from `9.0.0` up to `20.4.0` are supported.</span>
+<span class="docs">Changes the system version that is emulated by the client. The system version should be given as a decimal integer. For example, `1002` indicates system version `10.0.2`. All system versions from `9.0.0` up to `21.2.0` are supported.</span>
 
 <code>**async def system_update_meta**() -> dict</code><br>
 <span class="docs">Requests the latest system update metadata.</span>

examples/switch/animalcrossing.py

@@ -8,7 +8,7 @@
 logging.basicConfig(level=logging.INFO)
 
 
-SYSTEM_VERSION = 2110 # 21.1.0
+SYSTEM_VERSION = 2120 # 21.2.0
 
 # You can get your user id and password from
 # su/baas/<guid>.dat in save folder 8000000000000010.