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AWS appstream2 medium security documentation change

Service: appstream2 · 2026-05-10 · Security-related medium

File: appstream2/latest/developerguide/home-folders-content-synchronization.md

Summary

Added clarification about up to 60-second delay for S3 file deletion synchronization during active sessions

Security assessment

Documents synchronization behavior affecting data integrity during active sessions. Highlights a timing window where deleted files remain accessible, which could impact security controls relying on immediate file removal.

Diff

diff --git a/appstream2/latest/developerguide/home-folders-content-synchronization.md b/appstream2/latest/developerguide/home-folders-content-synchronization.md
index f803c064f..185993f76 100644
--- a//appstream2/latest/developerguide/home-folders-content-synchronization.md
+++ b//appstream2/latest/developerguide/home-folders-content-synchronization.md
@@ -49 +49 @@ If a user opens a file in their home folder on the fleet instance during their s
-If a user opens a file in their home folder on the fleet instance during their streaming session, and you remove the file from their home folder in an S3 bucket during that user’s active streaming session, the file is removed from the fleet instance after the user does either of the following: 
+If a user opens a file in their home folder on the fleet instance during their streaming session, and you remove the file from their home folder in an S3 bucket during that user’s active streaming session, there may be up to a 60 second delay before the deletion is reflected on the fleet instance. After this delay, the file is removed from the fleet instance when the user does either of the following: