So, apparently last week on Instagram (the... place for your book news?) Brandon posted that last week's batch of chapters would be the last of them. My apologies for being misinformed and getting your hopes up last week in the last release that you might get Chapter 17 today. Indeed, more chapters did not arrive this morning, but yesterday we did get a short bonus chapter, Chapter 15.
That's all the preview chapters for Skyward, but don't worry, it comes out next Tuesday, November 6th!