flexbugs

Minimum content sizing of flex items not honored

Column flex items set to align-items: center overflow their container

min-height on a flex container won't apply to its flex items

flex shorthand declarations with unitless flex-basis values are ignored

Column flex items don't always preserve intrinsic aspect ratios

The default flex value has changed

flex-basis doesn't account for box-sizing: border-box

flex-basis doesn't support calc()

Some HTML elements can't be flex containers

align-items: baseline doesn't work with nested flex containers

Min and max size declarations are ignored when wrapping flex items

Inline elements are not treated as flex-items

Importance is ignored on flex-basis when using flex shorthand

Shrink-to-fit containers with flex-flow: column wrap do not contain their items

Column flex items ignore margin: auto on the cross axis

flex-basis cannot be animated

Flex items are not correctly justified when max-width is used