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Install, reinstall or upgrade code of a canister controlled by the NNS.

# Frontend Canister Upgrade

Further improvements on the app session minting, introduces a test suite and updates on translations.

## What's Changed
_Since `proposal-frontend-143906`_

* chore(fe): update translations (de, es, fr, id, it, nl, pl, ru, uk, ur) (#4350)
* test(fe): run the coming-back session scenarios in a browser (#4293)
* test(fe): run the owner-view session scenario in a browser (#4292)
* test(fe): run the browser-cap session scenario in a browser (#4291)
* test(fe): run the session-ending scenarios in a browser (#4290)
* test(fe): run the tab and sibling-subdomain session scenarios in a browser (#4289)
* test(fe): run the staying-signed-in session scenarios in a browser (#4288)
* test(fe): run the signing-in session scenarios in a browser (#4287)
* test(fe): give the e2e a test app that holds a session (#4286)

[Full release notes](https://github.com/dfinity/internet-identity/releases/tag/release-2026-09-18)

## Wasm Verification

To build the wasm modules yourself and verify their hashes, run the following commands from the root of the [Internet Identity repository](https://github.com/dfinity/internet-identity):

```
git pull  # to ensure you have the latest changes.
git checkout 5a2544495d70bd2c722cd38a4d6ecd37b02a4cdf
./scripts/verify-hash --iife-hash e0c6b903e9c867f6496a1b5efcf59886b4c70bf88f62668b5910b9c1b04090f4
```

## Frontend Argument Verification

Run the following command to verify the frontend upgrade argument hash:

```
didc encode -d ./src/internet_identity_frontend/internet_identity_frontend.did -t '(InternetIdentityFrontendInit)' '(record {
  backend_canister_id = principal "rdmx6-jaaaa-aaaaa-aaadq-cai";
  backend_origin = "https://backend.id.ai";
  related_origins = opt vec {
    "https://id.ai";
    "https://identity.ic0.app";
    "https://identity.internetcomputer.org";
    "https://identity.icp0.io";
    "https://identity.icp.net";
  };
  analytics_config = opt opt variant {
    Plausible = record {
      domain = opt "identity.internetcomputer.org";
    }
  };
  featured_dashboard_apps = opt vec {
    "https://caffeine.ai";
    "https://oisy.com";
    "https://oc.app";
    "https://multidex.ai";
    "https://opencloud.org";
  };
})' | xxd -r -p | sha256sum
```

The output should match the argument hash.


Upgrade Internet Identity Frontend Canister to 5a2544495