This is a security release that address a couple of vulnerabilities relating to API access
and page draft related content visibility:
-- If the "Public" role was provided API access then the API could be accessed, in certain scenarios
+- If the "Public" role was provided API access then the API could be accessed, in certain scenarios,
by non-authenticated users even if the "Allow public access" setting was disabled.
- In some specific scenarios, content related to page drafts (Such as attachments) could be visible
to non-owners (Whom would have permission to view the page if saved as a non-draft at that point).
the [GitHub releases page](https://github.com/BookStackApp/BookStack/releases).
+#### Updating to v21.11.2 or higher
+
+**Security** - v21.11.2 addresses a couple of vulnerabilities relating to API access
+and page draft related content visibility. If the "Public" role was provided API access then the API could
+be accessed, in certain scenarios, by non-authenticated users even if the "Allow public access" setting was disabled.
+In some specific scenarios, content related to page drafts (Such as attachments) could be visible to non-owners
+(Whom would have permission to view the page if saved as a non-draft at that point).
+
#### Updating to v21.11 or higher
**API Changes** - As of v21.11 any dates in API responses will be formatted as per ISO-8601, with `2019-12-02T20:01:00.283041Z` reflecting an example of this format. You may need to review any of your scripts that utilise dates from API responses.