March 20 in Technology History: Standards, Patents and Breakthroughs
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.
2025
On 20 March, engineers watched Voyager 1 successfully fire backup thrusters after a carefully timed command sequence, extending attitude-control options for the deep-space probe and illustrating how software operations and propulsion management can recover redundancy decades after launch.
2025
On 20 March, W3C published Verifiable Credentials Data Model v2.0 as a Proposed Recommendation, defining an extensible data model and ecosystem roles for cryptographically verifiable credentials.