Make list-commands command show only one command if an argument is
given, from Ilya Grigoriev in GitHub issue 4352.

Add an option allowing users to override the width of individual Unicode
codepoints (overriding tmux's default list).

Add a nesting limit to source-file, from Fadi Afani in GitHub issue
4223.

Do not write bracketed paste keys themselves if the pane has not asked
for them.

Do not rely on window reference count for linked formats because they
are also used for notifications, GitHub issue 4258.

Do not strvis output to terminal from commands.

Fix word navigation on lines with tabs, from Alexander Arch.

Add no-detach-on-destroy client option (useful for control mode
clients). From laur dot aliste at gmail dot com, GitHub issue 4242.

Add two new style parameters, width and pad, which apply to scrollbars.
From Michael Grant, GitHub issue 4241.

Turn off scrollbar when pane is in alternate screen, from Michael Grant,
GitHub issue 4231.

Mouse support on the scrollbars, from Michael Grant.

Add an option to control the input buffer size, from Ken Lau.

Add support for a scrollbar at the side of each pane. New options
pane-scrollbars turn them on or off, pane-scrollbars-position sets the
position (left or right), and pane-scrollbars-style to set the

Add support for a scrollbar at the side of each pane. New options
pane-scrollbars turn them on or off, pane-scrollbars-position sets the
position (left or right), and pane-scrollbars-style to set the colours.
Mouse support will come later. From Michael Grant in GitHub issue 4221.

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Allow control characters to be entered at the command prompt prefixed
with with C-v, from Alexander Arch in GitHub issue 4206.

Flag tabs if possible in the grid cell so they can be preserved on
copying and capture-pane. From Alexander Arch in GitHub issue 4201.

Add function to get current offset from copy mode, from Michael Grant.

Add initial-repeat-time option to allow the first repeat time to be
increased and later reduced, from David le Blanc in GitHub issue 4164.

Add -y flag to disable confirmation prompts in modes, GitHub issue 4152.

Add a define for the socket permissions check so it can be overridden
more easily (for Cgywin).

Use global cursor style and colour options for modes instead of default,
GitHub issue 4117.

Change pasting to bypass the output key processing entirely and write
what was originally received. Fixes problems with pasted text being
interpreted as extended keys reported by Mark Kelly.

On some Windows terminals, if TIOCWINSZ does not return xpixel and
ypixel (they are zero), if this is the case then try the query escape
sequences. From Dmitry Galchinsky in GitHub issue 4099.

Only use default-shell for popups, return to /bin/sh for run-shell,
if-shell and #() - these have been documented as using /bin/sh for a
long time and scripts rely on it. Pointed out by Gregory Pakos

Only use default-shell for popups, return to /bin/sh for run-shell,
if-shell and #() - these have been documented as using /bin/sh for a
long time and scripts rely on it. Pointed out by Gregory Pakosz.

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Add a prefix timeout option, from Conor Taylor in GitHub issue 4108.

Display hyperlinks in copy mode and add copy_cursor_hyperlink format to
get the hyperlink under the cursor.