Specification Title: New Canvas 2D API Specification or proposal URL: explainers <https://github.com/fserb/canvas2d>, meta WhatWG bug <https://github.com/whatwg/html/issues/5613> WhatWG issues with PRs: - Canvas context loss <https://github.com/whatwg/html/issues/4809> - Conic gradient <https://github.com/whatwg/html/issues/5431> - willReadFrequently <https://github.com/whatwg/html/issues/5614> - Text modifiers <https://github.com/whatwg/html/issues/5617> - Reset function <https://github.com/whatwg/html/issues/5618> - RoundRect <https://github.com/whatwg/html/issues/5619> - Modern filters <https://github.com/whatwg/html/issues/5621> All the issues above have had some positive signal from WebKit prior to the PR submission.