patch 9.0.0615: using reduce() on a list from range() is a bit slow Commit: https://github.com/vim/vim/commit/52df40eb04726f9ee3c54ef8f7d856f1254b191a Author: Bram Moolenaar <Bram@vim.org> Date: Wed Sep 28 13:22:59 2022 +0100 patch 9.0.0615: using reduce() on a list from range() is a bit slow Problem: Using reduce() on a list from range() is a bit slow. Solution: Avoid materializing the list.

README_w32s.txt for version 9.0 of Vim: Vi IMproved.

This file used to explain the installation of Vim on MS-Windows 3.1 and 3.11
systems.  However, support for MS-Windows 3.1 and 3.11 has been removed in
patch 7.4.1364.
See "README.txt" for general information about Vim.