Flex support enhancement

[liZe]

This issue is for grouping flex features requests and bugs.

If you’d like to have a new feature regarding flex properties or encounter an issue related to flex, you can check here if an issue isn’t already opened. If not, please open an issue and we’ll link it there :)

• [x] handle flex items with intrinsic size (images) – #2479
• [ ] support min-content and max-content sizes
• [ ] handle break-before and break-after for flex row items
• [ ] fragmentation in rows and break-inside: avoid for flex items – #2440
• [ ] handle flex items with content
• [ ] define auto size of the flex container
• [ ] avoid useless layouts for flex items – #1166
• [ ] support visibility: collapse
• [ ] take care of min-* and max-* properties for the flex container’s cross size
• [ ] seriously support display: inline-flex
• [ ] order of mixed in-flow and out-of-flow flex items