Issue 15.5 ("Touch Bar")

Improve WeakRef Performance by Thomas Tempelmann

You can avoid circular references by using weakRefs, but that causes performance problems. What's the solution?

The Case of the Broken Upgrade by Mattias Sandström

When a software upgrade breaks things that were working fine, finding the cause requires real detective work.

Touché by Marc Zeedar

With the latest version of MacOS Sierra, Xojo apps that use the Macbook Pro's Touch Bar are finally possible. Marc demonstrates how to make them.

Sharing Data for Health, Part 3 by JC Cruz

Jose explores using XML to export health data from his project.

Plus: Xojo 2017r2, custom code formatting, pg_dump, SQLBuilder and ActiveRecord, and more!