March 20 in Technology History: Standards, Patents and Breakthroughs
March 20, 2026
2017
On 20 March, Microsoft released KB4015438 for Windows 10 version 1607 and Windows Server 2016, an out-of-band cumulative update showing the ongoing cadence of servicing models and post-release fixes.
2019
On 20 March, Microsoft published a Surface Headphones firmware update, version 1.0.4.31, citing audio quality and stability improvements and expanded paired-device management.
2023
On 20 March, Microsoft listed an Office Current Channel Preview release, Version 2303 Build 16227.20158, in its update history, illustrating the incremental delivery model for Microsoft 365 desktop apps.
2024
On 20 March, Microsoft shipped a Surface Duo 2 software update, version 2023.501.189, addressing scenarios described in the Android Security Bulletin for March 2024.
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