Chris Blakley

https://caniuse.com/mdn-api_navigation 

Another example: ```js navigation.addEventListener('navigate', (navigateEvent) => { switch (navigateEvent.destination.url) { case 'https://example.com/': navigateEvent.transitionWhile(loadIndexPage()); break; case 'https://example.com/cats': navigateEvent.transitionWhile(loadCatsPage()); break; } }); ``` https://developer.chrome.com/docs/web-platform/navigation-api/

The `system-ui` font family can start to be considered at this point: https://caniuse.com/font-family-system-ui

In the future, I may split this into individual issues.

Nesting on caniuse.com: https://caniuse.com/css-nesting

Scroll timeline: https://caniuse.com/css-scroll-timeline

Here's my more specific guesstimates at PHP minimum version update dates: https://github.com/chrisblakley/Nebula/issues/2089#issuecomment-821893436 Once we bump to 7.2 and then 7.3, I'll update this issue with the next guesstimate.

Minimum version is now PHP 7.3. Will plan to bump to 7.4 around late-2022...? - As of May 2022, minimum supported PHP version is 7.3. - 7.4 possibly around November...

https://github.com/chrisblakley/Nebula/issues/1806

https://developer.mozilla.org/en-US/docs/Web/CSS/color_value/color-contrast Draft spec: https://drafts.csswg.org/css-color-5/#colorcontrast Examples: First color is the background color, and the rest are potential candidates to use. If *none* of the candidates work, it will default to either...