This is actually Kali Linux 2020.1a
Kali Linux is a Debian-based Linux distro made by security professionals (Offensive Security) for security assessments, penetration testing and digital forensics. It comes with hundreds of open-source tools grouped for effective use and optimized for speedy network discovery and vulnerability assessment.
Latest version: Kali Lunux 2020.1a
Installing Kali Linux 2019.4 in a VM
Kali Linux 2020.1a on Raspberry Pi 4
Kali Linux 2020.2 is just around the corner - their release page suggestes “a Tuesday in May” which leaves 3 more Tuesdays when it may happen.