In general you can found full log file, launch editor and go to Help->Logfile, and I highly advise to check this, always some small thing can go unnoticed.
And from v10.2 to current v16 there were many changes, new platforms like Android, HTML5, some other are discontinued iOS, WebOS, core under-the-hood like GCC toolchain was updated, language optimizations, ton of bugfixes, some new features like new commands (FLOOR, CEIL, IIF, SETLOOPSUB ...). 2D specific thing is changes how Alpha commands now work, full info about that in manual.
GLB is still powerhouse for 2d graphics.