Beyond Metasploit, this release packed several other essential improvements for the community:

Built-in capabilities to bypass antivirus and common security barriers.

While modern versions of Kali have higher demands, the 2019.1 release remains relatively lightweight for basic tasks: Kali Linux 2019.1 Release

Improved integration with other security tools via JSON-RPC.

New libraries allowing modules to be written in languages like Go and Python. Key Features and Updates

Transitioning to Kernel 4.19.13 offered better hardware support and resolved numerous bugs found in the previous 2018.4 release. Minimum System Requirements

A faster, more efficient search mechanism that no longer depends on a local database.