To keep the forum neat, and make sure everyone can get the latest information, we will unpin the previous release notes, and collect them here:

Current Version:

• v4.5 (June 9th, 2021): What New’s in Cartoon Animator 4.5 & AE Script v2.0 (Official)

Previous Versions:

• v4.4 (Dec. 10th, 2020): What New’s in Cartoon Animator 4.4 & Motion Link
• v4.3 (Sept. 23rd, 2020): What’s new in Cartoon Animator v4.3 & Intro to Cartoon Animator - AE Script (Beta)
• v4.2 (May 14th, 2020): What's new in Cartoon Animator v4.2 and Motion LIVE 2D v1.1
• Sneak Preview
• v4.11 (Nov. 26th, 2019): What's new in Cartoon Animator 4.11
• v4.1 (Oct. 6th, 2019): What's new in Cartoon Animator 4.1
• v4.02 (July 1st, 2019): What's new in Cartoon Animator 4.02
• v4.01 (June 20th, 2019): What's new in Cartoon Animator 4.01
• v4.0 (April 29th, 2019): What's new in Cartoon Animator v4.0, Known Issues, Online Manual, Notification for CTA 4.0 and Motion LIVE 1.0, MacOS 10.15 Catalina

I am a CA4 Pipeline user, but my Reallusion Hub is reflecting the free upgrade to 4.5.