diff --git a/.github/release-notes.md b/.github/release-notes.md
index 15e84c08..8c5254c7 100644
--- a/.github/release-notes.md
+++ b/.github/release-notes.md
@@ -157,6 +157,7 @@ Full steps, controls and troubleshooting are in the bundled `README.md`.
 | Issue | Impact | Workaround |
 |---|---|---|
 | PAL and JP ROMs aren't supported in release packages | NTSC-U only | Use an NTSC-U ROM. Both regions convert, build and boot from source; packaging is still open |
+| The Linux tarball needs glibc 2.38 or newer | Won't start on older distros (Ubuntu 22.04, Debian 12, Fedora 38 and earlier) | Use a newer distro, or build from source |
 | Changing aspect ratio inside a level can briefly glitch the gun/hand model, rarely | Cosmetic, one-off | Change the ratio from the front-end PC Options, or accept it |
 | No macOS or ARM builds | Platform | — |
 | Saves from v0.4.0 and earlier can hold fake unlocks from `All unlocked` | Save data | Not repaired automatically. Since v0.5.0 the option never writes the save; keep a backup of `data/ge007.eep` from before you used it |
diff --git a/README.md b/README.md
index 5727f6e6..e74120a3 100644
--- a/README.md
+++ b/README.md
@@ -48,7 +48,7 @@ project is as much a study of that process as it is a port. See
 
 ## News
 
-- **2026-10-06** — **v0.5.0** ([release notes](https://github.com/jkdansereau/goldeneye-pc-port/releases/tag/v0.5.0)), the first release
+- **2026-10-07** — **v0.5.0** ([release notes](https://github.com/jkdansereau/goldeneye-pc-port/releases/tag/v0.5.0)), the first release
   since v0.4.0; it includes the v0.4.1 work, which was never published on
   its own:
   - **2–4 player split-screen multiplayer** on every multiplayer map, each
@@ -92,8 +92,9 @@ project is as much a study of that process as it is a port. See
 download carries its own runtime libraries and the one-time asset tool (no
 Python, no emulator).
 
-**Linux / Steam Deck:** 64-bit x86 Linux. SDL2 is bundled, so the tarball
-runs as-is; it sideloads onto a Steam Deck with nothing installed.
+**Linux / Steam Deck:** 64-bit x86 Linux with glibc 2.38 or newer (Ubuntu
+24.04+, Fedora 39+, Debian 13+, current SteamOS or Arch). SDL2 is bundled, so
+the tarball runs as-is; it sideloads onto a Steam Deck with nothing installed.
 
 **Both:** a GPU with OpenGL 3.0 drivers (practically any PC GPU from the last
 fifteen years; keep the driver up to date). A 2011 laptop with Intel HD
@@ -697,4 +698,4 @@ is covered by [`NOTICE`](NOTICE), not by that license.
 
 ---
 
-*Last updated 2026-10-06 — v0.5.0 · <a href="https://github.com/jkdansereau/goldeneye-pc-port">GitHub</a> · <a href="https://github.com/jkdansereau/goldeneye-pc-port/releases">Releases</a>*
+*Last updated 2026-10-07 — v0.5.0 · <a href="https://github.com/jkdansereau/goldeneye-pc-port">GitHub</a> · <a href="https://github.com/jkdansereau/goldeneye-pc-port/releases">Releases</a>*
diff --git a/docs/_layouts/default.html b/docs/_layouts/default.html
index ae369135..c9602d86 100644
--- a/docs/_layouts/default.html
+++ b/docs/_layouts/default.html
@@ -55,7 +55,7 @@
     <footer class="site-footer">
       <div class="footer-stamp">
         <a href="https://github.com/jkdansereau">maintained by jkdansereau</a>
-        &nbsp;&middot;&nbsp; last updated: 2026-10-06 &middot; v0.5.0
+        &nbsp;&middot;&nbsp; last updated: 2026-10-07 &middot; v0.5.0
         &nbsp;&middot;&nbsp; <a href="https://github.com/jkdansereau/goldeneye-pc-port">GitHub</a>
         &nbsp;&middot;&nbsp; <a href="https://github.com/jkdansereau/goldeneye-pc-port/releases">releases</a>
       </div>
diff --git a/docs/index.md b/docs/index.md
index 0b214b46..9f62d9ff 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -9,7 +9,7 @@ description: >-
 # and the WebPage JSON-LD dates). Keep these equal to the last real content
 # change of THIS page, not to the last release.
 date: '2026-10-05'
-modified_time: '2026-10-06'
+modified_time: '2026-10-07'
 locale: en_US
 # The masthead is this page's title, so its first content h2 must NOT get the
 # amber page-title look (double header). See the .flat-title rule in
@@ -32,7 +32,7 @@ Rare "Indy" engine family, one hardware generation apart.
 
 <div class="cblock">
 
-### v0.5.0 (2026-10-06) — split-screen multiplayer, one options menu, closer to the N64.
+### v0.5.0 (2026-10-07) — split-screen multiplayer, one options menu, closer to the N64.
 
 - **2–4 player split-screen multiplayer** on every multiplayer map, each
   player with their own pad, controls and aim settings.
@@ -88,7 +88,7 @@ single tracker for what comes next.
 <p class="warn"><strong>Warning:</strong> always use the latest release — earlier builds are kept in the release history for reference only; they lack the features and fixes of newer versions, so don't install an older release.</p>
 
 <ul>
-<li><strong>2026-10-06 — v0.5.0</strong>: what it adds is the Status list above. <a href="https://github.com/jkdansereau/goldeneye-pc-port/releases/tag/v0.5.0">Release notes</a>.</li>
+<li><strong>2026-10-07 — v0.5.0</strong>: what it adds is the Status list above. <a href="https://github.com/jkdansereau/goldeneye-pc-port/releases/tag/v0.5.0">Release notes</a>.</li>
 <li><strong>2026-09-28 — v0.4.0</strong>: native widescreen, a complete aim system for mouse and controller, in-game key rebinding, crosshair customization, rumble-pak haptics, a rebuilt options overlay, and a broad fidelity-fix pass. <a href="https://github.com/jkdansereau/goldeneye-pc-port/releases/tag/v0.4.0">Release notes</a>.</li>
 <li><strong>2026-09-20 — v0.3.0</strong>: the first release with the complete campaign playable end to end at 60 fps on Windows, Linux, and Steam Deck. <a href="https://github.com/jkdansereau/goldeneye-pc-port/releases/tag/v0.3.0">Release notes</a>.</li>
 <li><strong>2026-09-04 → 2026-09-16 — v0.1.0 – v0.2.2</strong>: the alpha and beta cycle — build chain, software RSP, first rendered frames, front end, and per-level stabilization across the campaign.</li>
@@ -237,7 +237,7 @@ architecture, the N64→PC bug catalogue, and how the project is developed.
   "description": "A native PC build of GoldenEye 007 (Rare, 1997, Nintendo 64), compiled from the n64decomp/007 decompilation with the N64's RSP emulated in software. Ships no ROM and no game assets; you supply your own.",
   "softwareVersion": "0.5.0",
   "datePublished": "2026-10-05",
-  "dateModified": "2026-10-06",
+  "dateModified": "2026-10-07",
   "operatingSystem": ["Windows", "Linux", "Steam Deck"],
   "downloadUrl": "https://github.com/jkdansereau/goldeneye-pc-port/releases",
   "distributionType": "Software-Offline",