Microsoft shipped the last update of 2019 for the Dev channel for the new Microsoft Edge today. The update brings native ARM64 builds to the Dev channel and several new features for people to test.
ARM-optimized apps perform better and have better battery life than emulated counterparts. The range of Windows 10 on ARM devices is relatively small but includes Microsoft’s new Surface Pro X. Microsoft points out in a tech community post that the ARM64 build in the Dev channel has most major issues ironed out, but can struggle to play certain DRM videos.
In addition to bringing native ARM64 builds to the Dev channel, this update brings three new features that Microsoft outlines.