Products Web Updates By Tag All Updates tagged: webm Alpha transparency in Chrome video WebM just added alpha transparency, and support for it has landed in Chrome Canary. Read more Tags: news video webm Subscribe Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 3.0 License, and code samples are licensed under the Apache 2.0 License. For details, see our Site Policies. Java is a registered trademark of Oracle and/or its affiliates. Last updated February 9, 2017.