WinResized was introduced rather recently with vim patch 9.0.0917 /
neovim v0.9.0 via commit 4571ba4d0a52 ("vim-patch:partial:9.0.0917: the
WinScrolled autocommand event is not enough (#21161)").
WinResized was introduced rather recently with vim patch 9.0.0917 /
neovim v0.9.0 via commit 4571ba4d0a52 ("vim-patch:partial:9.0.0917: the
WinScrolled autocommand event is not enough (#21161)").