Diffusion 6.3 was first released in May 2019.
This release added topic views, completely redesigned server metrics (including customizable metrics collectors), a redesigned web console, support for replication of security and authentication settings across a Diffusion server cluster, and major client improvements.
Supported until 4 December 2020.
Diffusion 6.2 was first released in November 2018.
This release added a new update API, including a stateless set method, session locks in all clients, and easier creation of missing topics. It also improved compression performance and added a new fetch API for retrieving topic values and specifications, making it easier to page through large data sets.
Supported until 7 May 2020.
Diffusion 5.9 was first released in September 2016.
5.9 is now End of Life (extended support is available as part of your Diffusion license).