March 20 in Technology History: Standards, Patents and Breakthroughs

2015

On 20 March, W3C published a Working Draft of Manifest for Web Application, defining a JSON-based manifest and the manifest link relation so user agents can surface installability and metadata for web apps.

2017

On 20 March, W3C published Input Events Level 2 as a Working Draft, extending text input event handling to better support web editors and rich text applications that need predictable and cancelable input pipelines.

2017

On 20 March, W3C published Payment Method Identifiers as a Working Draft, defining identifier strings used with the Payment Request API so merchants and user agents can negotiate payment capabilities.