This is the first GA release of the Bionic stemcell. Please also check out the official announcement.

There are no major differences to 0.28, besides the major version bump and recent security fixes.

Metadata:

BOSH Agent Version: v2.346.0

USNs:

Any USN up to 04 May 2021 and older as listed on https://ubuntu.com/security/notices?order=newest&release=bionic&page=1, including:

Title: USN-4932-1: Django vulnerability
URL: https://ubuntu.com/security/notices/USN-4932-1
Priorities: medium
Description:
It was discovered that Django incorrectly handled certain
filenames. A remote attacker could possibly use this issue to create or
overwrite files in unexpected directories.

CVEs:

• https://ubuntu.com/security/CVE-2021-31542