CometD 5.0.5, 6.0.1 and 7.0.1 have been released.
CometD 5.0.5 is a bugfix release in the 5.0.x series, with upgrades to
Jetty 9.4.38 to resolve security issues -- you are strongly encouraged
The list of fixed issues: https://github.com/cometd/cometd/projects/20
CometD 6.0.1 and 7.0.1 are bugfix releases based on, respectively,
Jetty 10.0.1 (Java 11 and javax.servlet) and Jetty 11.0.1 (Java 11 and
The list of fixed issues: https://github.com/cometd/cometd/projects/18
These releases incorporate the changes in the 5.0.x series.
Finally, no matter how good the architecture and design are,
to deliver bug-free software with optimal performance and reliability,
the implementation technique must be flawless. Victoria Livschitz