Turnstile Security Enhancement: Extended to All Clients

Update to Previously Announced Release

This release extends the Turnstile invisible CAPTCHA rollout originally announced on 1/16/2026 (Beta: 1/22, Prod: 2/10). That release applied only to clients who already had CAPTCHA enabled, moving them from a manual challenge to the invisible experience. This update enables invisible CAPTCHA for all clients, including those who did not previously have CAPTCHA configured.

Date Available: Beta 6/9, Prod 7/7

Which customers are impacted?: This release will impact all clients.

Required?: Yes, this is a required release. Required releases are features that Blend wants to standardize in the codebase, and typically do not require additional configuration. 

How to turn on: This feature will be automatically enabled on the dates listed above.

Purpose of Update and Benefit: Cloudflare Turnstile is a privacy-focused CAPTCHA that blocks automated bots while keeping the experience frictionless, often without requiring any user interaction (Invisible CAPTCHA). This update extends that protection to all clients.

Current Behavior: Invisible CAPTCHA applies only to clients who already had CAPTCHA enabled prior to the January 2026 release. Clients without CAPTCHA currently have no bot protection in place.

New Behavior: Invisible CAPTCHA is enabled for all clients. Clients without CAPTCHA today will gain Cloudflare Turnstile bot protection that runs in the background and typically requires no user interaction.

Clients who already have this setting enabled will see no change.

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