That looks like a Background Layer all right.
After saving an eligible previously unsaved file as jpg Photoshop should offer that (until it is changed) format for similar previously unsaved files.
What are the file’s Color Mode and bit depth?
That looks like a Background Layer all right.
After saving an eligible previously unsaved file as jpg Photoshop should offer that (until it is changed) format for similar previously unsaved files.
What are the file’s Color Mode and bit depth?