Create 2025-04-22-warp-beta-windows.mdx

Release notes for Windows client beta version 2025.4.589.1
Date: 2025-04-22

Author: kokolocomotion1

src/content/changelog/zero-trust-warp/2025-04-22-warp-beta-windows.mdx

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+---
+title: WARP client for Windows (version 2025.4.589.1)
+description: WARP client for Windows (version 2025.4.589.1)
+date: 2025-04-22T11:00:00Z
+---
+
+A new beta release for the Windows WARP client is now available on the [Downloads page](/cloudflare-one/connections/connect-devices/warp/download-warp/beta-releases/). This release contains minor fixes and improvements including TCP fallback for the MASQUE protocol and a new button in the client GUI to easily [Collect Captive Portal Diagnostics](/cloudflare-one/connections/connect-devices/warp/configure-warp/warp-settings/captive-portals/#get-captive-portal-logs).
+
+**Changes and improvements**
+
+- Fixed an issue causing reconnection loops when captive portals are detected.
+- Fixed an issue that caused WARP client disk encryption posture checks to fail due to missing drive names.
+- Fixed an issue where managed network policies could incorrectly report network location beacons as missing.
+- Improved error reporting for DEX tests.
+- Improved WARP client UI high contrast mode.
+- Fixed an issue causing client notifications to fail in IPv6 only environments which prevented
+  the client from receiving configuration changes to settings like device profile.
+- Added a TCP fallback for the MASQUE tunnel protocol to improve compatibility with
+  networks on MASQUE.
+- Added new IP addresses for [tunnel connectivity checks](/cloudflare-one/connections/connect-devices/warp/deployment/firewall/#connectivity-check). If your organization uses a firewall
+  or other policies you will need to exempt these IPs.
+- DNS over HTTPS traffic is now included in the WARP tunnel by default.
+- Improved the error message displayed in the client GUI when the rate limit for entering an incorrect admin override code is met.
+- Added a [Collect Captive Portal Diag](/cloudflare-one/connections/connect-devices/warp/configure-warp/warp-settings/captive-portals/#get-captive-portal-logs) button in the client GUI to make it easier for users to
+  collect captive portal debugging diagnostics.
+- Improved handling of non-SLAAC IPv6 interface addresses for better connectivity in IPv6
+  only environments.
+- Fixed an issue where frequent network changes could cause WARP to become
+  unresponsive.
+
+**Known issues**
+
+- DNS resolution may be broken when the following conditions are all true:
+
+  - WARP is in Secure Web Gateway without DNS filtering (tunnel-only) mode.
+  - A custom DNS server address is configured on the primary network adapter.
+  - The custom DNS server address on the primary network adapter is changed while WARP is connected.
+
+  To work around this issue, reconnect the WARP client by toggling off and back on.