patch 8.2.4614: redrawing too much when 'cursorline' is set Commit: https://github.com/vim/vim/commit/c20e46a4e3efcd408ef132872238144ea34f7ae5 Author: zeertzjq <zeertzjq@outlook.com> Date: Wed Mar 23 14:55:23 2022 +0000 patch 8.2.4614: redrawing too much when 'cursorline' is set Problem: Redrawing too much when 'cursorline' is set and jumping around. Solution: Rely on win_update() to redraw the current and previous cursor line, do not mark lines as modified. (closes #9996)

--- a/src/option.c
+++ b/src/option.c
@@ -2782,11 +2782,6 @@ set_bool_option(
 	p_lrm = !p_lnr;
 #endif
 
-#ifdef FEAT_SYN_HL
-    else if ((int *)varp == &curwin->w_p_cul && !value && old_value)
-	reset_cursorline();
-#endif
-
 #ifdef FEAT_PERSISTENT_UNDO
     // 'undofile'
     else if ((int *)varp == &curbuf->b_p_udf || (int *)varp == &p_udf)