October 2020 web platform update

Now widely available on the web platform
Widely available

EXT_blend_minmax WebGL extension: The EXT_blend_minmax extension for WebGL 1.0 contexts adds two blend equations, the minimum and maximum color components of the source and destination colors. Learn more.
OES_vertex_array_object WebGL extension: The OES_vertex_array_object extension for WebGL 1.0 contexts adds vertex array objects (VAOs) which encapsulate vertex array states. These objects keep pointers to vertex data and names for different sets of vertex data. Learn more.
Upgrade insecure requests: The Upgrade-Insecure-Requests HTTP request header tells the server that the response should redirect to a secure (HTTPS) resource. Learn more.
WEBGL_lose_context WebGL extension: The WEBGL_lose_context extension for WebGL 1.0 and 2.0 contexts simulates losing and restoring a WebGLRenderingContext or WebGL2RenderingContext. Learn more.

Multi-value (WebAssembly): Instructions and blocks can produce multiple result values. Learn more.