** Minibuffer
++++
*** Minibuffer scrolling is now conservative by default.
This is controlled by the new variable 'scroll-minibuffer-conservatively'.
It is t by default; setting it to nil will cause scrolling in the
** Tab Bars and Tab Lines
++++
*** The prefix key 'C-x t t' can be used to display a buffer in a new tab.
Typing 'C-x t t' before a command will cause the buffer shown by that
command to be displayed in a new tab. 'C-x t t" is bound to the
---
*** Customize buffers can now be reverted with 'C-x x g'.
+---
*** Most customize commands now hide obsolete user options.
Obsolete user options are no longer shown in the listings produced by
the commands 'customize', 'customize-group', 'customize-apropos' and
To customize obsolete user options, use 'customize-option' or
'customize-saved'.
+---
*** New SVG icons for checkboxes and arrows.
They will be used automatically instead of the old icons. If Emacs is
built without SVG support, the old icons will be used instead.