It has been just four days since Microsoft released Windows 10 (19H1) Build 18343 to Fast Ring based Windows Insiders yet we already have another build as we head into the final weeks of the development for the next feature update for Windows 10.

Windows 10 (19H1) is expected to be called the April 2019 Update when it is released in the next two months.

At this stage in the development cycle, it is not surprising to see the pace picking up with build releases as the Windows team focuses on fixing final bugs and stabilizing the update.

The release notes for Build 18346 show 11 fixes and 8 listed known issues.

No new features either but that is also expected at this point in the cycle.

The one thing I continue to track with these build releases is the usage pattern of the Reserved Storage feature which sets aside space on your device to insure you can successfully upgrade to future feature updates.

Currently I have three bare metal devices running Windows 10 (19H1) Fast Ring builds and one virtual machine. Today’s build is the eighth one I have usage data for tracking how much space Reserved Storage uses as it upgrades from build to build. The previous builds I have tracked now includes 18312; 18317; 18323; 18329; 18334; 18342; and 18343.

Here is my updated tracking data to include today’s new build for the Fast Ring:

  • Surface Book
    • Build 18312 – 7.09GB
    • Build 18317 – 6.75GB
    • Build 18323 – 7.11GB
    • Build 18329 – 6.40GB
    • Build 18334 – 7.26GB
    • Build 18342 – 7.26GB
    • Build 18343 – 7.26GB
    • Build 18346 – 7.26GB
  • HP EliteOne1K
    • Build 18312 – 2.50GB
    • Build 18317 – 7.05GB
    • Build 18323 – 7.41GB
    • Build 18329 – 7.41GB
    • Build 18334 – 7.50GB
    • Build 18342 – N/A
    • Build 18343 – 6.51GB
    • Build 18346 – 6.42GB
  • HP Spectre x360 (2015)
    • Build 18312 – 5.61GB
    • Build 18317 – 6.64GB
    • Build 18323 – 6.02GB
    • Build 18329 – 6.99GB
    • Build 18334 – 7.27GB
    • Build 18342 – N/A
    • Build 18343 – 7.27GB
    • Build 18346 – 7.27GB
  • Virtual Machine
    • Build 18312 – 7.04GB
    • Build 18317 – 7.13GB
    • Build 18323 – 7.06GB
    • Build 18329 – 7.06GB
    • Build 18334 – 7.20GB
    • Build 18342 – 7.27GB
    • Build 18343 – 7.18GB
    • Build 18346 – 7.18GB

Except for one system, it seems the amount of space used by Reserved Storage has stabilized in the last two builds.

Windows 10 (19H1) Build 18346 Screenshots Gallery

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