# Linked client updates

This directory contains only build metadata for desktop branch/agent updates. Runtime archives are deliberately kept outside the Apache document root.

- `%ProgramData%\NetworkCustomers\UpdateReleases\inbox` contains immutable ZIP releases produced by `build_linked_client_update.ps1`.
- `%ProgramData%\NetworkCustomers\UpdateReleases\packages` contains server-validated copies. Archives can only be streamed by the authenticated update API.
- `baselines/1.3.0.json` is the fixed updater-capable baseline. Later releases are cumulative deltas against it so clients may skip intermediate versions.
- Every release id is immutable. Rebuilding changed content requires a higher version/release id.
- `install_config.php`, database configuration, runtime data, and local data directories are never valid update targets.

Version 1.3.0 is the one-time bootstrap release. Older installations must receive this updater-capable launcher once through the normal installer; later linked updates are automatic after administrator approval on each client.
