Apple plans to announce that it will make it possible for third-party developers to easily convert small Macintosh programs to run on the iPhone, according to a New York Times report. A person briefed on Apple’s plans claims the announcement will come at Apple’s Worldwide Developer Conference, which begins with a keynote address from Steve Jobs at 10:00a.m. Pacific, on Monday, June 11. Jobs stated in his January keynote that third-party apps posed too large of a security and stability risk for the handset, only to slowly backtrack on that statement. Last week at the D: All Things Digital conference, he claimed the company was trying to find a way to allow third-party apps on the iPhone.