diff --git a/releases-manifest.json b/releases-manifest.json
index 7960753..5ba8c41 100644
--- a/releases-manifest.json
+++ b/releases-manifest.json
@@ -35,15 +35,15 @@
     {
       "id": "theseus-navigator",
       "product": "Theseus Navigator",
-      "version": "0.1.3",
+      "version": "0.2.0",
       "date": "2026-08-31",
       "platform": "win-x64",
       "signed": false,
       "signingAuthority": null,
-      "changes": "Branded error page instead of Chromium's default \"This site can't be reached.\" Kinds: name-not-registered (no BCDN record + no clearnet host — offers to register on Sirius), name-unreachable (DNS failed), unreachable (server down / connection refused), tls (certificate error), generic. Every kind carries retry, home, and where useful, search + register actions. Address bar keeps the failed URL so you can edit and try again. Everything from 0.1.2 (Ariadne checkbox page, Startpage POST fix) rides along.",
+      "changes": "Two new subsystems. (1) Add-on framework — Settings gains an Add-ons tab; drop a folder into <userData>/addons/ and it's live on restart. Reference add-on 'Notepad' ships in the box (right-sidebar textarea with autosave). Add-ons can register sidebar panels and get per-addon storage. (2) Branded error page instead of Chromium's default 'This site can't be reached'. Kinds: name-not-registered (no BCDN record + no clearnet host — offers to register on Sirius), name-unreachable (DNS failed), unreachable (server down / cert error), generic. Address bar keeps the failed URL so you can edit and retry. Everything from 0.1.2 (Ariadne checkbox page, Startpage POST fix) rides along.",
       "files": {
-        "TheseusNavigator-Setup-0.1.3.exe": "f2afc14efc63008cbb9dad44176e94146386db4c0afda4459f1d4eb929172b6d",
-        "TheseusNavigator-0.1.3-portable.exe": "5d08b1415526934db8de780949a610896064fe9567aa0e5e1702ebabd7eb7df2"
+        "TheseusNavigator-Setup-0.2.0.exe": "c5202ddba5a4bf4cd8d71c665c72bdd996ced761f9a7aae295cb960e17988f47",
+        "TheseusNavigator-0.2.0-portable.exe": "9142764f78e41c6a6220960d5f7278e0abe6c1c91e5033871d95225355d8feda"
       }
     }
   ]
diff --git a/releases/index.html b/releases/index.html
index c5ef92d..7f97af5 100644
--- a/releases/index.html
+++ b/releases/index.html
@@ -49,16 +49,16 @@
      mirror cannot change what you check against here.</p>
 
   <div class="rel">
-    <h2>Theseus Navigator <span style="color:var(--acid)">0.1.3</span></h2>
-    <div class="meta">Windows 64-bit · unsigned · 2026-08-31 · <b>Ariadne's Thread bundled</b> — installer shows a real wizard-page checkbox (pre-checked) for the system-wide resolver, uninstall symmetrically asks to remove it. Also unbreaks Startpage's in-page search (any POST-form submit). Installer ~118 MB. Portable unchanged.</div>
+    <h2>Theseus Navigator <span style="color:var(--acid)">0.2.0</span></h2>
+    <div class="meta">Windows 64-bit · unsigned · 2026-08-31 · <b>Add-on framework + branded error pages</b> — Settings > Add-ons lists modules under &lt;userData&gt;/addons/; drop a folder in, restart, it's live. Notepad reference add-on ships in the box. Load failures now show a name-not-registered / unreachable / TLS / generic error page with Retry + Search + Register-on-Sirius actions; the address bar keeps the failed URL. Carries the Ariadne bundle and Startpage POST fix from 0.1.2.</div>
 
     <div class="file">
-      <div class="n"><a href="https://dl.silentmode.st/TheseusNavigator-Setup-0.1.3.exe">TheseusNavigator-Setup-0.1.3.exe</a> — installer</div>
-      <code>f2afc14efc63008cbb9dad44176e94146386db4c0afda4459f1d4eb929172b6d</code>
+      <div class="n"><a href="https://dl.silentmode.st/TheseusNavigator-Setup-0.2.0.exe">TheseusNavigator-Setup-0.2.0.exe</a> — installer</div>
+      <code>c5202ddba5a4bf4cd8d71c665c72bdd996ced761f9a7aae295cb960e17988f47</code>
     </div>
     <div class="file">
-      <div class="n"><a href="https://dl.silentmode.st/TheseusNavigator-0.1.3-portable.exe">TheseusNavigator-0.1.3-portable.exe</a> — portable</div>
-      <code>5d08b1415526934db8de780949a610896064fe9567aa0e5e1702ebabd7eb7df2</code>
+      <div class="n"><a href="https://dl.silentmode.st/TheseusNavigator-0.2.0-portable.exe">TheseusNavigator-0.2.0-portable.exe</a> — portable</div>
+      <code>9142764f78e41c6a6220960d5f7278e0abe6c1c91e5033871d95225355d8feda</code>
     </div>
   </div>
 
diff --git a/tools/index.html b/tools/index.html
index adfe6d4..de95b5a 100644
--- a/tools/index.html
+++ b/tools/index.html
@@ -110,15 +110,15 @@
         <h3>for Windows</h3>
         <p class="desc">Full-window desktop browser with Tor toggle and search bar.
            macOS and Linux not yet packaged.</p>
-        <div class="meta">v0.1.3 · installer ~118 MB (with Ariadne's Thread) · portable ~116 MB · unsigned</div>
+        <div class="meta">v0.2.0 · installer ~118 MB (with Ariadne's Thread) · portable ~116 MB · unsigned</div>
         <div class="buttons">
-          <a class="btn acid" href="https://dl.silentmode.st/TheseusNavigator-Setup-0.1.3.exe">Installer</a>
-          <a class="btn ghost" href="https://dl.silentmode.st/TheseusNavigator-0.1.3-portable.exe">Portable .exe</a>
+          <a class="btn acid" href="https://dl.silentmode.st/TheseusNavigator-Setup-0.2.0.exe">Installer</a>
+          <a class="btn ghost" href="https://dl.silentmode.st/TheseusNavigator-0.2.0-portable.exe">Portable .exe</a>
         </div>
         <div class="verifybox">
           <div class="lbl">SHA-256 — verify before running</div>
-          <div class="h"><b>Installer</b><code>f2afc14efc63008cbb9dad44176e94146386db4c0afda4459f1d4eb929172b6d</code></div>
-          <div class="h"><b>Portable</b><code>5d08b1415526934db8de780949a610896064fe9567aa0e5e1702ebabd7eb7df2</code></div>
+          <div class="h"><b>Installer</b><code>c5202ddba5a4bf4cd8d71c665c72bdd996ced761f9a7aae295cb960e17988f47</code></div>
+          <div class="h"><b>Portable</b><code>9142764f78e41c6a6220960d5f7278e0abe6c1c91e5033871d95225355d8feda</code></div>
         </div>
       </div>