# Release Notes

Source: https://apereo.github.io/cas/development/release_notes/Overview.html

Each release candidate of the current development line, newest first, and every change across all of them on one page. Every page opens with what changed, what to review before upgrading and the highlights, followed by every change, which you can filter by area and type.

- ## [All Changes](https://apereo.github.io/cas/development/release_notes/RC.html)

  Every 8.1.0 change from RC1, RC2, RC3, RC4 on one page, each tagged with the release candidate that introduced it.

  **53**topics **27**to review **146**other changes
- ## [8.1.0-RC4](https://apereo.github.io/cas/development/release_notes/RC4.html)

  The fourth release candidate is in progress. This page fills in as changes land on the development branch.

  Theme Builder · Theme Properties · Account Profile

  **22**topics **7**to review **2**other changes
- ## [8.1.0-RC3](https://apereo.github.io/cas/development/release_notes/RC3.html)

  The third release candidate reworks Heimdall around the AuthZEN 1.0 specification, brings WebAuthn Level 3 and passkeys to passwordless and multifactor login, and carries the stateless ticket-granting ticket in its cookie.

  Heimdall AuthZEN · WebAuthn Level 3 · Passwordless Authentication · Stateless Ticket Registry · OpenID Connect Verifiable Credentials · Documentation

  **14**topics **9**to review **129**other changes
- ## [8.1.0-RC2](https://apereo.github.io/cas/development/release_notes/RC2.html)

  The second release candidate hardens OAuth, OpenID Connect, SAML2 and the CAS protocol across many flows, moves verifiable credentials to the final OpenID4VCI 1.0 format, and fixes how consent decisions are stored and revoked.

  OAuth & OpenID Connect Hardening · SAML2 Identity Provider · OpenID Connect Verifiable Credentials · CAS Protocol · Attribute Consent · JMX Management

  **21**topics **6**to review **5**other changes
- ## [8.1.0-RC1](https://apereo.github.io/cas/development/release_notes/RC1.html)

  The first release candidate of the 8.1.0 line turns Palantir into a place to manage authorization policies, attribute repositories and cluster topology, and lets OAuth and OpenID Connect applications rotate multiple client secrets.

  Multiple Client Secrets · Cluster Topology · Attribute Definition Dependencies · OpenID Connect Verifiable Credentials · OpenID Connect Federation · Acceptable Usage Policy & Multitenancy

  **15**topics **5**to review **13**other changes

To understand the release timeline better, please see [CAS releases](https://github.com/apereo/cas/releases).