# 2015r4.1

Released February 9th, 2016.

This release fixes important issues found in Xojo 2015r4.

## Bug fixes (12 cases)

| Case                                         | Area                           | Description                                                                                                              |
|----------------------------------------------|--------------------------------|--------------------------------------------------------------------------------------------------------------------------|
| [42124](http://feedback.xojo.com/case/42124) | Compiler                       | Fixed a bug with incremental compilation where explicit type info on constants would get lost.                           |
| [41153](http://feedback.xojo.com/case/41153) | Framework \> All               | Fixed memory leaks with Xojo.Core.Date and Xojo.Core.TimeZone.                                                           |
| [41976](http://feedback.xojo.com/case/41976) | Framework \> All               | Fixed a crash that would occur if a control&#39;s LostFocus event closes the control that focus should have advanced to. |
| [42099](http://feedback.xojo.com/case/42099) | Framework \> All               | GenerateJSON now gives \*\* instead of null for empty string values.                                                     |
| [42109](http://feedback.xojo.com/case/42109) | Framework \> All               | Fixed an assertion with XojoScripts that have a subroutine named *main* that takes no arguments.                         |
| [42186](http://feedback.xojo.com/case/42186) | Framework \> Linux             | Printing no longer crashes.                                                                                              |
| [41904](http://feedback.xojo.com/case/41904) | Framework \> Macintosh (Cocoa) | Fixed Xojo.IO.FolderItem iteration to work on OS X.                                                                      |
| [42026](http://feedback.xojo.com/case/42026) | Framework \> Macintosh (Cocoa) | Fixed crashes under OS X 10.11 that occurred when closing a full screen window.                                          |
| [42435](http://feedback.xojo.com/case/42435) | Framework \> Macintosh (Cocoa) | Drawing a Picture into itself no longer crashes.                                                                         |
| [42056](http://feedback.xojo.com/case/42056) | Framework \> Windows           | Listbox no longer leaks memory.                                                                                          |
| [41978](http://feedback.xojo.com/case/41978) | IDE \> Miscellaneous           | Error dialog now properly appears when trying to build using plugins that do not support the selected architecture.      |
| [42282](http://feedback.xojo.com/case/42282) | Plugin SDK                     | Plugin controls that adjust the graphics origin and then draw a picture now appear correct in the IDE.                   |
