diff --git a/docs/dev/distribution.md b/docs/dev/distribution.md
index cd66dc2..8cce5b3 100644
--- a/docs/dev/distribution.md
+++ b/docs/dev/distribution.md
@@ -45,10 +45,11 @@ somewhere:
   `project_license` is GPL-3.0-or-later; those differ on purpose — see the
   comment in the file.
 - **Vulkan is a requirement, not a preference.** The develop pipeline is
-  compute shaders through wgpu, and NFR-R8 — how far a CPU fallback goes — is
-  still open, so today there is nothing behind it. A package that installs onto
-  a machine with no working ICD produces an application that starts and cannot
-  develop.
+  compute shaders through wgpu, and NFR-R8 was decided on 2026-09-19 against a
+  CPU pipeline: without a device the library, the grid and the judgements work
+  on embedded previews, and develop and export say they are unavailable. A
+  package that installs onto a machine with no working ICD produces an
+  application that starts and cannot develop.
 - **A Secret Service implementation, or an honest degraded mode.** FR-NC-2 is
   explicit that the absence of a secrets daemon is a stated degraded mode and
   never a silent fall back to plaintext. Packages express this as an optional
@@ -59,6 +60,12 @@ somewhere:
   the Flatpak manifest check the file size and refuse, because the alternative
   is a package whose face indexing fails inside the graph loader on a user's
   machine rather than on the packager's.
+- **So are the manual's pictures.** Since 0.15.0 the Arch package, the Windows
+  installer and the APK carry `docs/manual/index.html` and its `media/`, where
+  `dr_ui::manual` looks for them (`/usr/share/darkroom/manual`, `manual\` beside
+  `darkroom.exe`, the APK's `assets/manual`), and each refuses a pointer where a
+  picture should be — shipped, a pointer is a manual of broken images that
+  nothing reports. The Flatpak manifest does not install it yet.
 
 ---