Upgrade to 1.0.0-rc873

fenced_code_pre_class is applied

The renderer carrying that class was registered at the same priority as CommonMark’s own, which is added first and always renders — so the class never reached a single <pre>, on any site, since the option shipped. It is registered above it now, and read per render, so each host in a pw:static run gets its own.

Affects any site setting fenced_code_pre_class. Nothing to do — but expect <pre class="…"> to appear where it never did, so check the highlighter theme you configured actually looks the way you meant. A site setting nothing is unaffected: the output stays byte-identical to CommonMark’s.

Quiz images announce their real width

A quiz answer thumbnail is a 38px box that was pulling the 1600px candidate; the question and profile illustrations fill the text column, so they now follow the site’s body_image_sizes like any body image.

Affects sites using Quiz. Nothing to do. Set body_image_sizes (see rc872) to get the illustrations sized too — the thumbnails improve either way.