diff --git a/README.md b/README.md
index fd580e2..35612a3 100644
--- a/README.md
+++ b/README.md
@@ -34,9 +34,14 @@ $ strip target/release/xtce-gs && ls -l target/release/xtce-gs
 ```
 
 Measured with rustc 1.99.0; the toolchain and the dependency tree both move these by a few
-kilobytes, so run the commands rather than trusting the figures. A Linux build will differ and
-is not measured here; the release workflow is where that number should come from rather than
-from this paragraph.
+kilobytes, so run the commands rather than trusting the figures.
+
+Linux is bigger, and the release workflow is what says so rather than this paragraph: the
+[v0.1.0 notes](https://github.com/RustSpaceLab/xtce-gs/releases/tag/v0.1.0) carry a table it
+measured on the runner, where `x86_64-unknown-linux-gnu` is 13 685 384 bytes unstripped and
+11 424 312 stripped — 10.90 MiB, against 8.19 for macOS arm64. The GUI toolkit links against
+X11, Wayland and GTK there and against system frameworks on macOS, and that is most of the
+difference.
 
 | Crate | What it does |
 |---|---|
diff --git a/docs/releases/v0.1.0.md b/docs/releases/v0.1.0.md
index 351d1e9..08406ac 100644
--- a/docs/releases/v0.1.0.md
+++ b/docs/releases/v0.1.0.md
@@ -1,7 +1,9 @@
 First release.
 
-A ground station in one binary: a socket, an XTCE definition, and a window. Under ten
-megabytes, no JVM, no Node, no database, no browser.
+A ground station in one binary: a socket, an XTCE definition, and a window. 8.19 MiB stripped
+on macOS arm64 and 10.90 on Linux x86_64 — the table at the bottom of these notes is the
+measurement, taken by the workflow that built the files attached to them. No JVM, no Node, no
+database, no browser.
 
 ## What it does