Release 3.0.6

• Allow arbitrary callback method names if only one method is defined in the class which implements Callback (colinwalters).
• Allow specification of callback type mappers by using a TYPE_MAPPER field (colinwalters).
• Allow uninitialized (null-valued) boxed primitives in Structures (colinwalters).
• Add convenience methods to set active Union field and value simultaneously (xylo).
• Augment Union read/writeField to set the active field.
• Allow Structure auto-synch across native calls to be disabled.
• Win64 support.

• Avoid overwriting unchanged Structure fields of type Pointer.
• Avoid more content dragging on OSX or warn if it's too late.
• Fix UnsatisfiedLinkError using transparent window on Win2K.
• Fix memory leak with callbacks called from native threads with no Java context (johnwallace).
• Defer structure size calculation if type mapper not yet set, allowing type mapper to be set in derived constructors (colinwalters).
• Ensure structure memory is allocated in Structure.read/writeField.

Release 3.0.5

• Allow explicit declaration of field order for VMs which have an unpredictable field order.
• Check for w32 libraries with a "lib" prefix in addition to normal lookup.
• Allow String[]/WString[] as callback argument/return value (assume NULL-terminated array).
• Add Solaris8 compatibility to sunos-sparc build (Corey Puffalt).
• Look up libraries using web start library path, if appropriate (Corey Puffalt).
• Use constants to return integer boolean values.

• Properly track cursor on alpha-masked windows.
• Avoid searching /lib or /usr/lib on 64-bit Linux.
• Avoid using incorrect version of a library when both 32- and 64-bit versions are found.
• Avoid transparent window events always dragging window bug on OSX.
• Fix division by zero error calculating structure size on OSX/ppc.
• Avoid overwriting initialized NativeMapped Structure fields when calculating structure size.
• Fix NPE reading back into StringArray.

Release 3.0.4

• Automatically write contents of Structure.ByReference fields on Structure.write().
• Use the actual parameter type in Function invocations if no parameter type information is available (whether method is missing or untyped varargs).
• Augmented X11 library mappings (xylo).
• Support read/write of NativeMapped arrays within Structure (notably NativeLong).

• Fix library load error when /usr/lib32 and /usr/lib both exist (linux) (Marek Slama).
• Avoid incorrect matches against libraries named with the same prefix (e.g. libc-client.so vs libc.so) (xylo).
• Properly handle arrays of NativeMapped (e.g. NativeLong) as a Structure field (stefan endrullis).
• Ensure structure size calculated prior to setting union active type.
• XID is 64-bits on 64-bit X clients (xylo).
• Ensure proper arch name is used on Debian (amd64 instead of x86_64).

Release 3.0.3

• Enable build/run using IBM's J9 VM (leonardo).
• Make StdCallFunctionMapper attempt a leading underscore if the simpler mapping doesn't work.
• Allow Structure.read to overwrite final fields (may not work on some 1.4 VMs).

• Fix NPE when passing an array of Structure.ByReference.
• Compare entire linux library version when finding a match.
• Don't pass struct by value unless the method signature declares it.
• Restrict custom first element structure alignment to OSX/ppc.
• Improve performance and reduce memory footprint for window masks. Optimize polygon-based masks on w32. Use XFillRectangles on X11.
• Fix linkage settings on sunos-amd64 to avoid relocation errors.
• Fix callback allocation code on w32, solaris, freebsd, darwin (libffi was misconfigured).
• Fix bug when NativeMapped fields are used in a Structure.ByValue instance.
• Fix NPE calling Structure.read() before memory is initialized.
• Fix NPE calling Structure.read/write with uninitialized NativeMapped fields.

Release 3.0.2

• Attempt to force unload of jnidispatch library prior to deleting it (w32).
• Added amd64 targets for OSX, FreeBSD, and Solaris.

• Reduce space allocated for invocation arguments.
• Fix NPE when NativeMapped type is used in a Structure.
• Fix some X11 type mappings for 64-bit.
• Fix OSX Leopard/JRE1.5+ window transparency.
• Fix window alpha compositing on X11.
• Fix loading of libraries with unicode names on OSX.

Release 3.0.1

• Improve transparent window drawing performance on w32
• Use closure allocation from libffi

• Ensure nested structure arrays initialized with Structure.toArray use the appropriate native memory.
• Ensure structure size is calculated prior to converting to array
• Avoid creating new windows when setting a window mask
• Fix bug in Pointer.setChar.

Release 3.0

• More supported platforms, via GCC's libffi (wmeissner)
• Support struct by value as parameter and return value (duncan)
• Support struct by reference within structures
• Provide access to native peer for java.awt.Component
• Provide access to native peer on OS X.
• Support MINGW32 builds (fullung)
• Allow per-field Structure read/write by field name
• Avoid writing Structure fields marked 'volatile'
• Read and wrap function pointers in Structure fields when read with a Java proxy to allow easy Java-side invocation (Ken Larson)
• Support array-backed Buffers as arguments (wmeissner)
• Auto-conversion of custom types (wmeissner)
• Allow pointer type-safety
• Optional VM crash protection, via Native.setProtected(boolean)
• Auto-convert WString[]
• Provide library synchronization wrapper similar to Collections.synchronizedX
• Support lookup of OSX framework libraries by name
• Explicit access to shared library global data
• Invocation interception to facilitate translation of C preprocessor macros and inline functions
• Provide utility to determine Web Start native library cache location; auto-include this path if jnidispatch is included as a (robertengels)
• Provide access to aligned memory
• Versioning information embedded in jna.jar and native library

Release 2.5

• Unions
• Optimized shaped windows (chris deckers & olivier chafik); instantiation time improved by about 2-3 orders of magnitude for large, mostly contiguous shapes
• Provide type mapping in callback arguments/results
• Provide access to ByteBuffer direct address as a Pointer
• Provide customization of native string encoding with jna.encoding system property

• Properly handle VMs with reversed Structure member storage
• Avoid making window undecorated when clearing window mask on X11
• Fix structure alignment bug on OSX/PPC when first element is > 4 bytes in size
• Clearing OSX window mask by setting to MASK_NONE now works properly
• Avoid index exceptions if native buffers are not NUL-terminated on string conversions
• Write initialized Structure[] argument memory prior to function calls
• Fix IllegalArgumentException reading WString into a Structure
• Clear memory when allocating a structure block (fixes VM crash)
• Remove versioned JAWT dependency on OSX, allowing use on 10.3/JRE1.4.

Release 2.4

• Explicitly support unaligned structures
• Auto-reallocate structure arrays
• Automatic handling of w32 UNICODE/ASCII variants
• Automatic mapping of decorated w32 stdcall function names
• Customizable, automatic type conversion of arguments and results (wmeissner)
• Support char*[] arguments as Java String[]
• Structure supports Callback members (wmeissner)
• getByteBuffer from Pointer/Memory (wmeissner)
• Allow GC of native libraries
• Facilitate use from non-Java contexts (JRuby et al.) (wmeissner)
• Improve library path searching (wmeissner)
• Handle Structure[] arguments
• Handle native long arguments and return values
• Handle direct and array-based ByteBuffer arguments (wmeissner)
• Change default w32 build to use GCC (it's free, yo)

• Structure.toArray failed to initialize members
• Disallow explicit free of Structure/Memory
• Ensure native libraries are only loaded once until released
• Properly handle NULL when the return value is a Structure
• Proper conversion to wchar_t on linux
• Copy full length of Java strings to C strings instead of stopping when a NUL character is encountered