A Quick Tour of RStudio 1.4

A visual markdown editor that provides improved productivity for composing longer-form articles and analyses with R Markdown.
New Python capabilities, including display of Python objects in the Environment pane, viewing of Python data frames, and tools for configuring Python versions and conda/virtual environments.
The ability to add source columns to the IDE workspace for side-by-side text editing.
A new command palette (accessible via Ctrl+Shift+P) that provides easy keyboard access to all RStudio commands, add-ins, and options.
Support for rainbow parentheses in the source editor (enabled via Options, then Code, then Display).
New citation support that allows you to include document citations from your document bibliography, personal or group libraries, and several other sources.
Integration with a host of new RStudio Server Pro features including project sharing when using Launcher, Microsoft Visual Studio Code support (currently in beta), SAML authentication, and local launcher load-balancing.