HTTP/2 Server Push support added - requires a plugin and calling an API, there is an example plugin
- HTTP/2 is enabled by default
- IPv6 enabled by default
- Clustering - It was decided that other mechanisms could be used to do cache clustering, such as parent cache or using the carp plugin
- ICP (Internet Cache Protocol) - There were bug with ICP and it was decided that they are better protocols or using parent cache or using the carp plugin would be better
- SPDY - SPDY Protocol was removed, people should be using HTTP/2 now
Future Deprecated Features
New Configuration Options
New Promoted Plugins
- AuthProxy - Delegates the authorization decision of a request to an external HTTP service.
- Background Fetch - Proactively fetch content from Origin in a way that it will fill the object into cache.
- ESI - Implements the Edge Side Includes (ESI) specification.
- Generator - Generate arbitrary response data for testing/benchmarking.
- Regex Revalidate - Configurable rules for forcing cache object revalidations using regular expressions.
- AWS S3 Authentication - Support for Amazon S3 authentication features.
- XDebug - Allows HTTP clients to debug the operation of the Traffic Server cache using the X-Debug header.
New Plugins (in experimental)
- Header Frequency - Count the frequency of headers.