Well.
Paint me in mineral oil and cover me in goose feathers!
That's not looking too shabby after all. Some shaping issues (venting on the bottom of the loaf) which may be alleviated by using the lame to provide an alternate escape path. But I think what I really need is another fold in the dough to get more stretch for the fold over in the shaping step.
It's also the largest loaf I've baked. But still just around 600g. 👍