ViSP 3.4.0 release is out. It includes a lot of improvements and bug fixes.
Big thanks to everyone who participated!
The changes are summerized in https://github.com/lagadic/visp/blob/v3.4.0/ChangeLog
The packaging for iOS is already done.
The packaging for OSX, Debian, Ubuntu, Arch Linux, FreeBSD and ROS is under way.