- the world is the first draw of the UI camera's main pass, not a pass before it: one render-pass boundary fewer, −0.9 ms of GPU on the Air at full render scale (2234)
- the world-map catalog seeds at the VM's birth, before any addon file runs, so Questie's Astrolabe builds its zone table instead of raising on every path (2240)
- the login's own tutorials wait for the interface, and a cross-map worldport fires PLAYER_LEAVING_WORLD, guarded by the reference's once-per-world latch (2232, 2235, 2239)
- WOW_PROBE_BGQUEUE makes "log in while queued for a battleground" reproducible (2237)
Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>