v26.10.1 (#1599)

* feat: AI translations at release, 7 new languages and regional fallback

* fix: proper plural forms for count strings and full translations

* fix: plural forms for selected, hidden and active counts

* fix: synced plugin updates failing on desktop and server-only plugins shown as stopped

* fix: restore rounded corners on app icons and favicon

* feat: desktop app auto updates with automatic, ask first or never modes

* feat: community and custom plugin registries

* feat: plugin guide for AI tools in the SDK with a lint check

* fix: keep the terminal WebSocket open past nginx's 60s default (#1588)

* chore: update changelog

* feat: show plugin download counts only and stop CI builds inflating them

* feat: hide installed plugins in the browse tab by default

* chore: pin bundled plugins to latest releases

* chore: update translations

* fix: focusing a saved password field and saving no longer erases it

* fix: tell desktop users when their 2.8 data needs 2.9 first

* fix: point windows update info at the x64 installer

* fix: keep desktop client tunnel sockets alive behind proxies

* chore: pin bundled plugins to latest releases

* fix: cover client tunnel keepalive in the c2s runtime tests

* fix: typing after opening a host no longer goes to the host search

* fix: accept tab and = separators in SSH config import (#1598)

* chore: update changelog

* chore: drop plugin versions from core changelog

* chore: update translations

* chore: lint, format, and bump version to 26.10.1

---------

Co-authored-by: Darnel Hunter <68697450+innotelinc@users.noreply.github.com>
Co-authored-by: Iain <Iain1970@protonmail.com>

src/backend/sync/server/routes.ts

@@ -472,7 +472,7 @@ async function listPluginsForDesktop() {
  * /sync/v2/plugins:
  *   get:
  *     summary: The features this server runs, for a linked desktop to mirror
- *     description: Every installed plugin with its version, where it came from, whether it is on, how a desktop should treat it and which sync entities it owns.
+ *     description: Every installed plugin with its version, where it came from, whether it is on, how a desktop should treat it and which sync entities it owns. registryKeys lists the signing keys of the custom registries an admin added, so plugins from them load on the desktop.
  *     tags:
  *       - Sync
  *     responses:
@@ -509,7 +509,9 @@ router.get(
           ),
         });
       }
-      res.json({ plugins });
+      const { customRegistryKeys } =
+        await import("../../plugins/registries.js");
+      res.json({ plugins, registryKeys: await customRegistryKeys() });
     } catch (error) {
       syncLogger.error("Failed to list plugins for sync", error, {
         operation: "sync_plugins",