Intent to Extend Origin Trial: New Canvas 2D API

Security and privacy team expressed concerns with ContextLost and ContextRestored events during the intent to implement phase. These concerns were addressed by re-designing the event to not launch simultaneously across different contexts.

Interoperability and Compatibility

Gecko: In development (https://github.com/whatwg/html/issues/5431) Already implemented conic gradient. Okay with willReadFrequently, transforms and reset. Push back on filters.

WebKit: Positive (https://github.com/whatwg/html/issues/5619) Some push back on perspective transforms. Positive signal on text modifiers, round rect and color input.

Web developers: Positive (https://www.youtube.com/watch?v=dfOKFSDG7IM) CDN talk in December was received very positively.

Debuggability

Is this feature fully tested by web-platform-tests?

Yes

Flag name

#new-canvas-2d-api

Requires code in //chrome?

False

Tracking bug

https://bugs.chromium.org/p/chromium/issues/detail?id=1201359

Estimated milestones

OriginTrial desktop first	95
OriginTrial desktop last	98
OriginTrial android first	95
OriginTrial android last	98

Link to entry on the Chrome Platform Status

https://www.chromestatus.com/feature/6051647656558592

This intent message was generated by Chrome Platform Status.

Yoav Weiss

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Sep 14, 2021, 1:59:14 AM9/14/21

to blink-dev, Aaron Krajeski

On Monday, September 13, 2021 at 1:24:12 PM UTC+2 Aaron Krajeski wrote:

Hello blink dev! We're looking to extend the New Canvas 2D API to M98 as it did not actually end up landing until M95 due to an oversight and the change to the release calendar.

Do I understand correctly and the experiment haven't really started? If so, I don't think you need an extension, but instead you could indicate on the past intent that the timelines are shifting by 3 milestones.

Aaron Krajeski

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Sep 14, 2021, 9:55:17 AM9/14/21

to Yoav Weiss, blink-dev

Okay! I will do that

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