Windows 10 Insider Preview Build 21390 X86 X64 Iso Incl __link__ → [TOP]
Windows 10 Insider Preview Build 21390 was a significant release for the Dev Channel in May 2021. Often referred to as the "Cobalt" release (co_release), this build is highly regarded among enthusiasts as the "final" true Windows 10 Insider build before Microsoft shifted focus to Windows 11. Key Features and Iconography Changes
, this build sat at a crossroads—it was the final "true" Windows 10 Dev build before the world-changing unveiling of Windows 11 just weeks later. The Story of Build 21390: The Last of its Kind windows 10 insider preview build 21390 x86 x64 iso incl
3. Font Management Improvements
Build 21390 introduced an updated Settings > Personalization > Fonts page. It allowed drag-and-drop installation for multiple font files (TTF, OTF), a massive quality-of-life improvement for designers. Windows 10 Insider Preview Build 21390 was a
- Improvements and fixes: This build includes various bug fixes and performance improvements, including fixes for issues related to the Start menu, taskbar, and Windows Explorer.
- New features: There are no major new features in this build, as it is primarily focused on stabilization and refinement.
- Known issues: As with any Insider Preview build, there are known issues that Microsoft is working to resolve. These include issues with the taskbar, Windows Search, and some apps.
What's New in Build 21390?
Build 21390 focused heavily on refining the UI and testing the backend servicing infrastructure. Improvements and fixes : This build includes various
Why Download Both?
Collectors often seek the "ISO Incl" (inclusive) release – a package that contains both architectures. This allows:
The team had been working on this build for weeks, and it was packed with new features and fixes. They had made significant improvements to the UI, updated the Settings app, and even added some new functionality to the Taskbar.