SDKAvailable

Hosted client reliability

The client integration path for hosted registration and login was stabilized, with browser circuit preloading available before the first proof.

Mohith / 3 min readApril 30, 2026

What changed

The hosted client path received reliability fixes across registration and login. Applications can also preload the browser proof circuit when they know a proof flow is likely to begin.

Preloading moves artifact download and initialization earlier in the journey. It does not make proof work disappear, and it should not block unrelated public pages.

Use preloading deliberately

Start preload near an authentication intent, such as opening sign-in, rather than on every application visit. The current SDK reference uses explicit artifact URLs for the experimental Proof V2 checkout, so new integrations must follow that contract instead of copying a historical constructor.

Performance boundary

Preload can reduce waiting before a first proof on a warm path. Network, device, artifact-cache, and prover costs still vary, so this release does not promise one universal login time.