Khushal Sagar

[css-animations-2] Scoping keyframe names between UA and developer styles.

2

Currently there is no way to scope keyframe names declared in styles in user-agent origin vs author rules. For example, consider the following declaration in a user agent stylesheet, used...

Shared Element Transitions API

2

## Request for position on an emerging web specification ### Information about the spec * Spec Title: CSS Shared Element Transitions * Spec URL: https://drafts.csswg.org/css-shared-element-transitions-1/ * GitHub repository: https://github.com/WICG/shared-element-transitions *...

[css-shared-element-transitions-1] User input should be ignored when rendering is suppressed.

1

#7784 details how rendering should be suppressed during a transition. We also need to ignore user input (irrespective of how rendering is suppressed) in this state. That's because the visual...

[css-view-transitions-1] Handling cases where transition constraints are broken mid transition

1

View transitions require a bunch of constraints to be satisfied by tagged elements listed [here](https://drafts.csswg.org/css-view-transitions-1/#perform-an-outgoing-capture): ``` If any of the following is true: usedTransitionTags [contains](https://infra.spec.whatwg.org/#list-contain) transitionTag. element is not element’s...

[css-view-transitions-1] content-visibility: auto elements are relevant to the user during a transition

1

`content-visibility: auto` allows the user agent to minimize the rendering cost for elements which are not [relevant to the user](https://w3c.github.io/csswg-drafts/css-contain-2/#relevant-to-the-user). There are multiple subtle interactions this optimization has with View...

[css-shared-element-transitions-1] Define "active animation" used to signal end of transition

25

Shared Element Transition creates an ephemeral tree of elements with snapshots from incoming and outgoing DOM state. We need to define the lifetime of this tree. Since the purpose of...

[css-shared-element-transitions-1] Should isolation and plus-lighter blending be applied conditionally

1

The default animation in shared element transitions can have either of the following trees per tag: ## Cross-fade ``` ::page-transition-container |_::page-transition-image-wrapper |_::page-transition-incoming-image |_::page-transition-outgoing-image ``` There is visual state for an...

[View Transitions] Extend render-blocking to support Document

83

[render-blocking](https://html.spec.whatwg.org/#render-blocking-mechanism) allows the author to specify which resources are important for a good first paint. This allows the browser to defer a Document's first paint (new load only) up till...

[View Transition] Event on old Document to set transition state

65

[Cross document VT](https://drafts.csswg.org/css-view-transitions-2/) needs an event on the old Document so authors can set up `view-transition-name`s based on where the user is navigating to. The `navigate` event seems like the...

The pageswap event (part of cross-document view-transitions)

1

### WebKittens @nt1m ### Title of the spec HTML ### URL to the spec https://html.spec.whatwg.org/#the-pageswapevent-interface ### URL to the spec's repository _No response_ ### Issue Tracker URL _No response_ ###...