Discourse 3.1.3 Stable Release
Discourse strongly recommends that all sites follow the default tests-passed branch of Discourse. The “stable” branch is more focused on lack of change than lack of bugs - all releases, including those on tests-passed and beta are production ready.
Security Changes
- Prevent Onebox cache overflow by limiting downloads and URL lengths CVE-2023-47120
 - Filter unread bookmark reminders the user cannot see CVE-2023-45816
 - Limit height of pre/svg elements CVE-2023-46130
 - Onebox templates’ HTML injections. CVE-2023-47119
 - SSRF vulnerability in TopicEmbed CVE-2023-47121
 - Escape display names CVE-2023-45806