tinymce config – having trouble enabling the statusbar plugin

0.43.1 (build 16393)

i can unload a plugin with the following code, but i can’t get the statusbar plug to load

Publii/themes/simple/config.json…

{
    "name": "Simple",
    "version": "2.8.1.0",
    "author": "TidyCustoms <https://tidycustoms.net/>",
    "menus": {
        "mainMenu": {
            "desc": "",
            "name": "Main menu",
            "maxLevels": -1
        }
    },
    "extensions": {
        "postEditorConfigOverride": true
    },
    "renderer": {
    [...]

Publii/config/tinymce.override.json (example)…

{
  "plugins": "statusbar autoresize"
}