I customized winner-dont-bind-my-keys 't but C- or C- are still bound to winner-mode, in my case overriding indentation shift commands of markdown-mode. As it seems, the customization variable is not respected. In GNU Emacs 30.0.50 (build 1, x86_64-w64-mingw32) Repository revision: 43bced6b70070b7d3bb7243cc917273c56a524c0 Repository branch: master Windowing system distributor 'Microsoft Corp.', version 10.0.19045 System Description: Microsoft Windows 10 Enterprise (v10.0.2009.19045.4412) Configured using: 'configure --prefix=/d/a/emacs-build/emacs-build/pkg/master-x86_64 'CFLAGS=-O2 -fno-semantic-interposition -floop-parallelize-all -ftree-parallelize-loops=4' --with-native-compilation --with-zlib --with-xpm --with-xml2 --with-tree-sitter --without-tiff --with-rsvg --with-png --with-lcms2 --with-json --with-jpeg --with-harfbuzz --with-gnutls --with-gif --without-cairo --disable-build-details --without-dbus --with-compress-install --with-small-ja-dic' Configured features: ACL GIF GMP GNUTLS HARFBUZZ JPEG LCMS2 LIBXML2 MODULES NATIVE_COMP NOTIFY W32NOTIFY PDUMPER PNG RSVG SOUND SQLITE3 THREADS TOOLKIT_SCROLL_BARS TREE_SITTER WEBP XPM ZLIB Important settings: value of $LC_ALL: en_US.UTF-8 value of $LANG: C.UTF-8 locale-coding-system: cp1252 Major mode: ELisp/d Minor modes in effect: display-line-numbers-mode: t display-fill-column-indicator-mode: t yas-minor-mode: t corfu-terminal-mode: t corfu-mode: t flyspell-mode: t winner-mode: t windmove-mode: t savehist-mode: t save-place-mode: t recentf-mode: t pixel-scroll-precision-mode: t marginalia-mode: t global-auto-revert-mode: t icomplete-mode: t fido-mode: t desktop-save-mode: t delete-selection-mode: t override-global-mode: t tooltip-mode: t global-eldoc-mode: t eldoc-mode: t show-paren-mode: t electric-indent-mode: t mouse-wheel-mode: t tool-bar-mode: t tab-bar-mode: t menu-bar-mode: t file-name-shadow-mode: t global-font-lock-mode: t font-lock-mode: t blink-cursor-mode: t minibuffer-regexp-mode: t column-number-mode: t line-number-mode: t transient-mark-mode: t auto-composition-mode: t auto-encryption-mode: t auto-compression-mode: t hs-minor-mode: t Features: (shadow sort mail-extr compile comint ansi-osc ansi-color comp-run comp-common emacsbug message puny rfc822 mml mml-sec epa derived epg rfc6068 epg-config gnus-util text-property-search time-date mm-decode mm-bodies mm-encode mail-parse rfc2231 mailabbrev gmm-utils mailheader sendmail rfc2047 rfc2045 ietf-drums mm-util mail-prsvr mail-utils display-line-numbers display-fill-column-indicator yasnippet hideshow vc-git diff-mode track-changes vc-dispatcher corfu-terminal popon corfu adaptive-wrap word-wrap-mode flyspell ispell yank-media markdown-mode edit-indirect thingatpt dired-aux dired dired-loaddefs term/w32console tango-dark-theme winner windmove savehist saveplace recentf tree-widget pixel-scroll cua-base ring marginalia autorevert filenotify icomplete desktop frameset delsel edmacro kmacro use-package-bind-key bind-key indent-bars easy-mmode rx compat cus-edit pp cus-load wid-edit face-remap noutline outline color cl-extra help-mode use-package-core finder-inf adaptive-wrap-autoloads breadcrumb-autoloads cape-autoloads corfu-terminal-autoloads corfu-autoloads csv-mode-autoloads d2-mode-autoloads dape-autoloads dired-sidebar-autoloads dired-subtree-autoloads dired-hacks-utils-autoloads edit-indirect-autoloads go-mode-autoloads impatient-showdown-autoloads impatient-mode-autoloads htmlize-autoloads magit-autoloads pcase git-commit-autoloads magit-section-autoloads marginalia-autoloads markdown-toc-autoloads markdown-mode-autoloads dash-autoloads olivetti-autoloads popon-autoloads s-autoloads simple-httpd-autoloads transient-autoloads visual-fill-column-autoloads vundo-autoloads info with-editor-autoloads yasnippet-autoloads package browse-url url url-proxy url-privacy url-expand url-methods url-history url-cookie generate-lisp-file url-domsuf url-util mailcap url-handlers url-parse auth-source cl-seq eieio eieio-core cl-macs icons password-cache json subr-x map byte-opt gv bytecomp byte-compile url-vars cl-loaddefs cl-lib rmc iso-transl tooltip cconv eldoc paren electric uniquify ediff-hook vc-hooks lisp-float-type elisp-mode mwheel dos-w32 ls-lisp disp-table term/w32-win w32-win w32-vars term/common-win tool-bar dnd fontset image regexp-opt fringe tabulated-list replace newcomment text-mode lisp-mode prog-mode register page tab-bar menu-bar rfn-eshadow isearch easymenu timer select scroll-bar mouse jit-lock font-lock syntax font-core term/tty-colors frame minibuffer nadvice seq simple cl-generic indonesian philippine cham georgian utf-8-lang misc-lang vietnamese tibetan thai tai-viet lao korean japanese eucjp-ms cp51932 hebrew greek romanian slovak czech european ethiopic indian cyrillic chinese composite emoji-zwj charscript charprop case-table epa-hook jka-cmpr-hook help abbrev obarray oclosure cl-preloaded button loaddefs theme-loaddefs faces cus-face macroexp files window text-properties overlay sha1 md5 base64 format env code-pages mule custom widget keymap hashtable-print-readable backquote threads w32notify w32 lcms2 multi-tty move-toolbar make-network-process native-compile emacs) Memory information: ((conses 16 402425 24342) (symbols 48 22221 0) (strings 32 118075 4189) (string-bytes 1 3256868) (vectors 16 47125) (vector-slots 8 519747 11944) (floats 8 226 6653) (intervals 56 1244 0) (buffers 992 16))