Bug or feature: Windows Insiders and developers can't download the latest ISOs, including the devs behind Rufus

Microsoft has yet to comment on the issue.
Windows Report

Microsoft Releases Windows 11 Dev Channel Update KB5077202

Windows 11 Insider Preview Build 26300.7760 (KB5077202) is now available in the Dev Channel with Emoji 16.0, camera controls, ...
Windows Report

Windows 11 Canary Build KB5077221 Adds Built-In Sysmon

Windows 11 KB5077221 arrives in the Canary Channel with built-in Sysmon support and updated sharing features for Insiders.

Microsoft Releases Dev and Beta Builds to Insiders With a Few New Features

Microsoft issued identical pre-release builds of Windows 11 version 25H2 to the Dev and Beta channels in the Windows Insider Program today.
WinBuzzer

Microsoft Blocks Windows 11 ISO-Downloads in USB-Tool Rufus

Microsoft has blocked Rufus from downloading Windows 11 Insider Preview ISOs, marking the third time the open-source utility has faced restrictions.

Windows Insider Preview: Native Sysmon integration nears release

New Windows Insider Preview versions bring native Sysmon support closer to release. There are also minor improvements.

Windows 11's New Preview Build Drops AI Focus For Practical Improvements

A 30-year PC building veteran, Zak is a modern-day Renaissance man who may not be an expert on anything, but knows just a little about nearly everything.