patch 8.1.1718: popup menu highlighting does not look good commit https://github.com/vim/vim/commit/cb5ff34c1b8a89fcdb86653ab18d0aa53f665642 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Jul 20 16:51:19 2019 +0200 patch 8.1.1718: popup menu highlighting does not look good Problem: Popup menu highlighting does not look good. Solution: Highlight the whole window line. Fix that sign line HL is not displayed in a window with a background color.

--- a/src/screen.c
+++ b/src/screen.c
@@ -5366,6 +5366,8 @@ win_line(
 			if (wp->w_p_cul && lnum == wp->w_cursor.lnum)
 			    char_attr = hl_combine_attr(char_attr,
 							    HL_ATTR(HLF_CUL));
+			else if (line_attr)
+			    char_attr = hl_combine_attr(char_attr, line_attr);
 		    }
 # endif
 		}