A minimal reproducible example of CSS live editing issue in Textual.

Clone the repo.

git clone [email protected]:Klavionik/textual-live-editing-issue.git

Create and activate a new venv.

cd textual-live-editing-issue
python -m venv venv
source venv/bin/activate

Install dependencies.

pip install -r requirements.txt

Run the app in dev mode.

textual run --dev main:TheApp

Change the Label color inside app.tcss and you'll see it changing in the terminal. Press F to activate the screen and do the same inside screen.tcss. You'll see that no hot reload happens.