We just released another update. When you select a page name on the page, then choose "Page Name", it auto names the page, but also gives you a new option to "Apply to All Pages". This will use that same selection box and rename all pages on the current project. In our testing it took about 5 seconds to auto rename 25+ pages.
You can now adjust the mouse zoom speed in the settings popup (click profile icon in upper right to get to settings):