diff --git a/docs/testing.md b/docs/testing.md
index 5e9c963..8757b63 100644
--- a/docs/testing.md
+++ b/docs/testing.md
@@ -3,6 +3,36 @@
 Run against the exact artifact published to canary, on the real endpoint,
 before promoting to stable with `./update_stable.sh`.
 
+## Before 0.2.6.6 goes to stable
+
+The container gate and the lab passed both of these. Neither can prove
+them on real hardware, so a person does, on the prayer-room laptop, which
+takes 0.2.6.6 from canary. If every box is ticked, 0.2.6.6 is promoted
+**as the same file**, never rebuilt:
+
+```
+ekklesia-classroom_0.2.6.6_amd64.deb
+sha256 2b972391974265ba220c58ae0a8f287664a42228f062278956b89017bd5a54f7
+./update_stable.sh 0.2.6.6 2b972391974265ba220c58ae0a8f287664a42228f062278956b89017bd5a54f7
+```
+
+**Waiting to reboot (since 0.2.6.5)** — details under [OTA](#ota):
+
+- [ ] Using the computer after an update has installed: it does not restart
+- [ ] A video playing with sound, mouse left alone: it does not restart
+- [ ] Left untouched and silent, it restarts about 30 minutes later, on
+      the new version
+- [ ] Switched off before that restart: it starts normally next time, on
+      the new version, and does not restart again
+
+**The television arriving late (0.2.6.6)** — details under
+[the television switched on after a night-time reboot](#the-television-switched-on-after-a-night-time-reboot):
+
+- [ ] Rebooted with the television off at the set (if the room allows it),
+      then switched on: the classroom's landscape, not Plasma's purple
+- [ ] The panel is the room's own: same launchers, same order, clock bottom
+      right
+
 ## Boot
 
 - [ ] Cold boot reaches the classroom shell with no terminal or window junk