v2.20.0

The official docker release for this release can be pulled from

quay.io/dexidp/dex:v2.20.0

Notes:

The preferred_username OIDC claim was added to the ID Token in case of GitLab, GitHub, LDAP. This claim could be extended to other providers as well later on.

Features:

• connector/saml: Adding group filtering (#1544, @kenperkins)
• Run getUserInfo prior to claim enforcement (#1545, @jacksontj)
• server: templates: use relative URLs to refer to assets (#1554, @yanniszark)
• add preffered_username to idToken (#1566, @bonifaido )

Bug fixes, misc changes:

• gitlab: add groups scope by default when filtering is requested (#1520, @bonifaido)
• Fix typo (#1543, @wassan128)
• Fix typo (#1551, @gosharplite)
• storage/mysql: support pre-5.7.20 instances with tx_isolation only (#1550, @bonifaido)
• Fix URLs in curl cmd as stated in the overview doc (#1558, @aijingyc)
• Add note for redirect uri (#1568, @life1347)