Lots. We encourage you to read the complete change notes for BBEdit 14.0. (We spent a lot of time writing those notes, so it would be great for someone to read them. Be that someone.)
Notes - We know that many of our customers create a lot of untitled documents for quick note-taking, and rely on BBEdit's legendary stability and robust crash recovery to protect their work. We've added a new "Notes" feature in BBEdit 14, which provides a large variety of ways to create notes that automatically save themselves, and, perhaps more important, automatically title themselves so that you don't end up wondering which of your 305 "untitled text" documents is the one you're looking for.
Anaconda Virtual Environments - Anaconda is particularly popular with data scientists, as well as with others who need to rapidly switch between different tooling and library configurations. BBEdit 14 will use conda or miniconda to detect your virtual environments, and provides a mechanism for switching the active environment for use when running Unix tools and scripts from within BBEdit.
Enhanced Developer Features - BBEdit 14 enables several new features and significant improvements to its built-in coding aids for developers, including: