This is a document describing all relevant changes to the v8.x release branch. This is a live document; it's being updated frequently as we make changes to master. Since 8.x is not scheduled for release until May of 2018 (earliest), it's a good idea to keep track of what is changing.

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Overview

Incompatible changes

• Traffic_cop has been removed.  This removes the health checks that traffic_cop was making against traffic_server.  Most installations were already performing health checks against traffic_server.

New Features

• SNI Config enables configuration of inbound and outbound TLS attributes on a per server name basis.  This feature is configured via ssl_server_name.config.
• Openssl ASYNC_*_job support available during TLS handshake.  Enabled via proxy.config.ssl.async.handshake.enabled.  Crypto engines can be specified via an openssl.cnf file specifed in proxy.config.ssl.engine.conf_file.
• External manipulation of the cache via the Cache Tool.

Deprecated Features

• congestion.config - The separate congestion control feature has been removed.  There are more specific congestion management features controlled in records.config specifically proxy.config.net.default_inactivity_timeout, proxy.config.http.server_max_connections, and proxy.config.http.origin_max_connections.

Future Deprecated Features

• None

New Configuration Options

• None

New Metrics

• None

New Promoted Plugins

• .None

New Plugins (in experimental)

• .None