Nextpad++

Nextpad++ is a native Linux port of the Notepad++ text editor, built
with GTK4 and the Scintilla editing component that was ported to GTK4.

Multi-tab editing, full find/replace with regular expressions, split
views, side panels (Document List, Function List, Document Map,
Workspace, Git), macros, per-language syntax highlighting and User
Defined Languages, session persistence, automatic backups, a plugin
SDK with a Plugins Admin catalog, and a command palette.