Release 5.8.3

[rwinch]

[lasselindqvist]

Hi. Not sure if this is the right place to mention this, but I believe as the fix for #12664 is in 5.8.x branch, it should be included in this milestone, but currently is not.

[jzheaux]

@lasselindqvist, thanks for reaching out. It looks like the 5.8.x forward port ticket didn't get created. You can see it here now: #13054