This morning I sent in my revisions to the current version of GURPS Templates Toolkit 2: Races, a guide to designing "races" in GURPS and writing them up. For this purpose, "races" includes animal companions, vehicles defined as Allies (one of the options under the rules), robots, self-aware software, and spirits and other supernatural beings, so there was a lot to cover. This book is being fast-tracked for quick release; page layout has already been done, and changes had to fit within the existing pages, so new wording had to be tight.
We've reached the official end of the playtest for my other book, GURPS High-Tech: Electricity and Electronics, and I'm going to be spending a couple of weeks going over it for issues ranging from new content to style consistency. This is getting more normal treatment and a later release, and it's a less central book; about 80% of it is a huge catalog of gear for adventurers, though there are also new rules for a number of things relating to the subject matter.