AWS appstream2: Add client v1.3.1954 release notes with token fix

Service: appstream2 · 2026-08-19 · Documentation medium

File: appstream2/latest/developerguide/client-release-versions.md · Type: authn

Summary

Added release notes for client version 1.3.1954, including a fix for expired authentication tokens causing connection failures.

Security assessment

Addresses authentication token handling to prevent connection failures, improving reliability but without evidence of a specific vulnerability.

Evidence

+  * Fixed an issue where expired authentication tokens could cause connection failures during session reconnection.

Diff

diff --git a/appstream2/latest/developerguide/client-release-versions.md b/appstream2/latest/developerguide/client-release-versions.md
index 1d19a937e..4e9d0a89f 100644
--- a//appstream2/latest/developerguide/client-release-versions.md
+++ b//appstream2/latest/developerguide/client-release-versions.md
@@ -14,0 +15,12 @@ Client version | Release date | Changes
+1.3.1954 | 08-14-2026 | 
+
+  * Added support for persisting the state of the full screen or maximized client window across sessions.
+  * Added support for honoring printer preferences when printing from a session.
+  * Fixed an issue where expired authentication tokens could cause connection failures during session reconnection.
+  * Fixed focus-related issues with native application windows.
+  * Fixed an issue that caused the file storage dialog to freeze during loading under certain conditions.
+  * Updated the Chromium Embedded Framework (CEF) to version 149.0.60.
+  * Updated the DCV SDK.
+  * Other bug fixes and enhancements.
+
+