V4 dev backports and updates

[XhmikosR]

Preview: https://deploy-preview-30836--twbs-bootstrap.netlify.app/

[XhmikosR]

@twbs/css-review I pushed a temp patch after dist for the floating labels example. Can you check if the IE/Edge workarounds are still fine?

[XhmikosR]

So, can someone from @twbs/css-review check my comment above please? #30836 (comment)

The "Temp" commit is here: 593a63c

EDIT: also I need a confirmation about the word-break backport :)

[ffoodd]

About the floating labels example, I'm a bit confused: there's an old patch for IE that seems to… break the example.

If I remove it, the example works fine in IE11 (tested on BrowserStack, W7 & W10).
However the Edge patch seems required. Both were introduced in #25919, but MDN compatibility table seems clear: IE10 & 11 did support their vendor version.

I'd be in favor of removing it (but should probably be another PR, souldn't it?).

For the .text-break class, I think overflow-wrap should be word-wrap. Am I right, @mdo?

[XhmikosR]

I'd be in favor of removing it (but should probably be another PR, souldn't it?).

Yup, thanks for having a look.

For the .text-break class, I think overflow-wrap should be word-wrap. Am I right, @mdo?

I just reverted #30074 here.