Meson 1.12.0 (released since the last builder-image rebuild) fails to configure the glib 2.86.3 subproject ('Summary section already have key', then libpcre2-8 fallback not found), breaking all binary builds. Last green build on next used 1.11.2. Pin it in the builder image and mise.toml until glib/gstreamer catch up. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01NaDYk2PGWfSLEXeN5CBJFN