I finally booted a machine with 8.99.37 and the updated Xorg/Mesa18/etc. As I had yet to run 'etcupdate' to merge in the changes to 'xdm's Xresources file, I was momentarily surprised by the all-black username and password fields in the greeter's login widget.
After completing 'etcupdate' and 'postinstall', the fields' background is again grey as I expected. What's odd is that the cursor glyph used in the text fields appears to be the one that instead should be attached to the mouse pointer when over a text field rather than the simple vertical line. Typing the username leaves glitched pixels along the bottom edge of the entry box. Backspacing/deleting text from the username field leaves pieces of characters behind. (I changed the font selection criteria so the smaller fonts are used on screens <= 1024 pixels wide rather than <= 800 pixels as I find the larger fonts still too big for 1024-pixel-wide screens.) -- |/"\ John D. Baker, KN5UKS NetBSD Darwin/MacOS X |\ / jdbaker[snail]consolidated[flyspeck]net OpenBSD FreeBSD | X No HTML/proprietary data in email. BSD just sits there and works! |/ \ GPGkeyID: D703 4A7E 479F 63F8 D3F4 BD99 9572 8F23 E4AD 1645