Over a year after the 3.5 release, Tmux 3.6, a terminal multiplexer that lets you split your terminal into panes, manage multiple sessions, and keep them running in the background, is now available, bringing a wide range of improvements and a few standout additions.

One of the most noticeable additions is the added native scrollbar support. The new pane-scrollbars option enables scrollbars directly inside panes.

The update also introduces support for the Mode 2031 theme, automatically reporting the dark or light theme. Alongside this, format operators receive several enhancements, including improved boolean expressions, new loop sorting behavior, and a broader set of variables that expose buffer, session, and cursor-style information.

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