Helix

You should remember different keybindings and commands from vim

List mandatory here

i, a # Insert mode before/after. I and A are the line versions
/ # Search mode. n and N focus to next and prev match
v # Select mode
x # Select current line. xx and 2x means same.
s # After selected, s matches multiple as find
w, e, b # Select and move around current words
g d # Goto Definition. Usable since enabling LSP
y, p # Copy(Yank) and Paste. Space y Space p will copy to clipboard
u # undo, and U means redo vice versa
d # Cut(Not only for Delete, override yanked) current selection. c will be insert mode after deletion
Ctrl+w # Window mode, v - vsplit, s - hsplit, q - close the window # Not "pane"
Ctrl+c # Comment-in/out toggle
C # Multiple cursors. Make 1 cursor again with ,
3x Alt-s & # Align table in the selected 3 lines (& is the align, but require Alt-s for multi cursors)