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<title>GNUstep Base Release Notes</title>
</head>
<body>
<font face="serif">
<h1><a name="title$ReleaseNotes">GNUstep Base Release Notes</a></h1>
<h3>Authors</h3>
<dl>
<dt><a href="http://www.gnustep.org/developers/whoiswho.html">Adam Fedor</a> (<a href="mailto:fedor@gnu.org"><code>fedor@gnu.org</code></a>)</dt>
<dd>
</dd>
<dt><a href="http://www.gnustep.org/developers/whoiswho.html">Richard Frith-Macdonald</a> (<a href="mailto:rfm@gnu.org"><code>rfm@gnu.org</code></a>)</dt>
<dd>
</dd>
</dl>
<p><b>Version:</b> $Revision$</p>
<p><b>Date:</b> $Date$</p>
<p><b>Copyright:</b> (C) 2005,2006 Free Software Foundation, Inc.</p>
<h1><a name="001000000000">Base Release Notes</a></h1>
<p>
The release notes include descriptions of API changes, behaviour
changes and other information that might help developers and users
migrate to using a newer version of the library.
</p>
<h2><a name="001001000000">Version 1.26.0</a></h2>
<p>
A new stable release.<br />
Improve utf8 validity checks.<br />
Make point and size subclasses for NSValue interchangable.<br />
Add support for TLS SNI. Always request certificate from client
and update certificates after 5 minutes.<br />
Don't write deprecated fields to desktop link file.<br />
Use NSLock instead of GSLazyLock and other improvements for
multithreaded processes.<br />
Clean up of NSString cluster.<br />
Update NSAssert() and NSCAssert() to handle variable arguments
(as OSX has done) and mark the numbered macros as obsolete.<br />
Various improvements in tests.<br />
Require ICU >= 50.<br />
ICU is now detected using pkg-config.<br />
Improve XML parsing.<br />
Make NSXMLNode ivar a union representing different types, instead of
assuming it will contain different underlying class types in different
contexts. This is important for the new libobjc2 ABI.<br />
OSX compatibility changes to NSURL.<br />
NSFileManager call error handle on missing file.<br />
Dummy spinlock implementation for platforms that don't support it.<br />
Internationalization improvements: Japanese translation, Turkish
translation, Polish translation.<br />
Various improvements for new libobjc2 "v2 ABI", including things like
a new NSConstantString implementation, making GS_REPLACE_CONSTANT_STRING
a noop with the new ABI, etc.<br />
Improvements for stack traces, exception handling and dead lock
detection.<br />
Other more minor bugfixes and cleanups. Many found by Coverity
scan results.<br />
As usual, this release also contains an update to include the
most recent international timezone data.
</p>
<h2><a name="001002000000">Version 1.25.1</a></h2>
<p>
A new stable release.<br />
Unicode fixes for characters outside the base plane<br />
Stubs for some new OSX methods<br />
Various new OSX compatibility macro and type definitions<br />
NSFileManager fixes and tweaks to match OSX implementation<br />
NSDistributedLock bugfix for pre-existing lock directories<br />
Alternative sort algorithms selectable at runtime<br />
Compatibility-related changes for environments not supporting weak symbols<br />
Other more minor bugfixes and cleanups.<br />
As usual, this release also contains an update to include the
most recent international timezone data.
</p>
<h2><a name="001003000000">Version 1.25.0</a></h2>
<p>
A new stable release.<br />
Removes garbage collection support (though for now the
NSGarbageCollector class remains as a stub).<br />
Changes multi-architecture support to match the scheme used by
Debian.<br />
OpenSSL bundle removed since it didn't match GNUTLS support.<br />
Improved support for 64bit little-endian systems.<br />
Ported to Debian/Hurd.<br />
ICU string (regexp in particular) fixes.<br />
OSX compatibity changes in NSRunLoop behavior and NSTask.<br />
Alternative sort algorithms selectable at runtime.<br />
Many bugfixes and cleanups.<br />
As usual, this release also contains an update to include the
most recent international timezone data.
</p>
<h2><a name="001004000000">Version 1.24.9</a></h2>
<p>
A new stable (bugfix) release.<br />
Niels added support for generics.<br />
Support for 'ng' runtime library (latest language features
enabled)<br />
Performance optimisations and improved diagnostic messages.<br />
Garbage Collection deprecated (support to be removed).<br />
As usual, this release also contains an update to include the
most recent international timezone data.
</p>
<h2><a name="001005000000">Version 1.24.8</a></h2>
<p>
A new stable (bugfix) release.<br />
The release contains a variety of bugfixes as well as some
performance optimisations (particularly in the use of tiny string
objects by the new objc runtime on 64bit systems).<br />
Thread naming and logging of threads by NSLog() has been made
consistent with the latest OSX releases, making debugging of
multithreaded code a little easier.<br />
Sergei Golovin has added NSURLConnection regression tests (while
fixing a few bugs there).<br />
As usual, this release also contains an update to include the
most recent international timezone data.
</p>
<h2><a name="001006000000">Version 1.24.7</a></h2>
<p>
A new stable (bugfix) release.<br />
The release has various platform/portability tweaks, as
well as a variety of bugfixes.<br />
The default HTTPS connection configuration is modified to disable
SSLv3.0 support (to prevent the 'POODLE' security attack).<br />
This release also contains an update to include the most recent
international timezone data.
</p>
<h2><a name="001007000000">Version 1.24.6</a></h2>
<p>
A new stable (bugfix) release.<br />
This release contains a new class (NSUUID) and several
new methods.<br />
The OSX version compatibility macros have been updated
to add the latest version of OSX.<br />
The release has various platform/portability tweaks, as
well as a variety of bugfixes.
</p>
<h2><a name="001008000000">Version 1.24.5</a></h2>
<p>
A new stable (bugfix) release.<br />
The main reason for this version is to release a collection of minor
bugfixes before making more extensive changes which will break ABI
compatibility and appear in a 1.25 branch.<br />
This release contains a new class (NSInvocationOperation) and a few
new methods.<br />
The OSX version compatibility macros have been updated to permit use
of the same numeric values as on OSX.<br />
The release has been through the clang static analyzer (with minor
issues resolved) and has had clang's printf format checking used
to correct issues (mostly with NSInteger/NSUInteger on 64bit systems)
with printf formats in various debug/logging messages.<br />
Timezone data was updated for this release.
</p>
<h2><a name="001009000000">Version 1.24.4</a></h2>
<p>
A new stable (bugfix) release.<br />
The main reason for this version is the inclusion of the latest
available time zone data (something accidentally omitted from the
previous release).<br />
Most of the other changes in this version are fairly minor portability
and bugfixes (and the addition of a number of new testcases).<br />
API changes are limited to the addition of a few OSX-10.7 methods
for NSCalendar and a few new NSFileManager methods for working
with URLs.<br />
Finally, there is experimental code to change the hashing algorithm
used in the library ... enabling it will cause slower hash generation
but a better distribution of hash values ... which might improve the
performance of large collections.
</p>
<h2><a name="001010000000">Version 1.24.3</a></h2>
<p>
A new stable release.<br />
Many changes in this version are behavior updates/improvements
but there are also new APIs, none of which should effect binary
compatibility with earlier 1.24.x releases.<br />
An important change at the configure stage is that configure policy
now requires you to explicitly disable features in order to build if
external packages that those features depend on are missing. This
should ensure that builds of base contain consistent feature sets
unless you really want to change that.
</p>
<p>
The main changes are:<br />
Implementation of the NSXML DOM classes (previously stubs). This is
by far the biggest chunk of new code in this release.
The DOM support has a dependency on the libxml2 library.<br />
Implementation of cookies in the NSURLConnection related classes.<br />
Implementation of common HTTPS support in the NSURLConnection
related classes and the older NSURLHandle. The HTTPS support has
a dependency on the gnutls library.<br />
Implementation of new sorting code for faster sorting and to allow
sorting algorithms to be changed.<br />
Many changes to add support for ObjectiveC-2.0 additions.<br />
Implementation of Encoding/Decoding of NSAffineTransform.<br />
Many, many minor bugfixes and tweaks.
</p>
<h2><a name="001011000000">Version 1.24.0</a></h2>
<p>
A new stable release.<br />
Most changes in this version are behavior updates/improvements
rather than new API, but you should be aware that there is a
binary incompatibility on 64bit systems in that the value of
the NSNotFound constant there is now 64bits rather than 32bits.
</p>
<p>
With this release the official supported compiler for GNUstep
is gcc-4.0 and later, and the base library has been tested using
recent gcc development snapshots.
</p>
<p>
The main changes are:<br />
Support for the GNU LANGUAGES environment variable and other locale
improvements.<br />
Caching of file and directory path information within bundles.<br />
IPV6 support for NSHost and networking operations.<br />
Support for UTF-8 string literals in source (compiler permitting).<br />
Improved support for building standalone application bundles.<br />
And of course, lots of bugfixes and OSX compatibility tweaks.
</p>
<p>
One this that didn't make it into this release was functioning
NSXML DOM classes. For DOM style work you still need to use the
GSXML classes, however there is active work on implementing NSXMLNode
and friends as wrappers round the corresponding libxml2 classes, and
we hope/expect these to be ready soon.
</p>
<h2><a name="001012000000">Version 1.23.0</a></h2>
<p>
A new stable release with many minor bugfixes and tweaks.<br />
The main changes however are David Chisnall's work adding support
of the clang compiler and Objective-C 2.0 language/runtime (the
compiler/runtime combination now provides full support for the
Objective-C 2.0 language).<br />
Garbage collection using clang and libobjc2 is now available in
addition to the existing gcc runtime garbage collection support.<br />
Going beyond that, for people who don't like garbage collection,
there is now support for automated reference counting, where the
clang compiler adds reference count calls to manage object lifetimes,
relieving the application developer from the need to manage reference
counts.
</p>
<p>
An important point to note is that this is the last release to
support the gcc-2.9.5 compiler. In future, while releases may work
with older systems, the formal requirement will be a gcc-4.x series
compiler or later and base may also depend on support for the C99
standard being available.<br />
This change is being made in order avoid developers needing to spend
a great deal of time keeping code working for obsolete systems which
are no longer used in practice.
</p>
<h2><a name="001013000000">Version 1.22.0</a></h2>
<p>
A new stable release with many updates and changes. In addition
to many new classes and methods, there is now a regression test
framework included in the base release.
</p>
<p>
In addition, base now
supports and uses the Objective-C 2.0 runtime API from Apple and
we encourage anyone programming with GNUstep to move to using this
new runtime and the new functionality it supports. Note however,
there is currently no compiler/runtime combination that completely
supports the Objective-C 2.0 specification, but we would
recommend the following:
</p>
<ul>
<li>
gcc (pre 4.6) and GNUstep libobjc is the preferred
compiler/runtime for stability (best tested)
</li>
<li>
gcc 4.6 and GNU libobjc for experimental ObjC2 with
garbage collection but without blocks
</li>
<li>
clang and GNUstep libobjc2 for experimental ObjC2 without
garbage collection but with blocks.
</li>
</ul>
<dl>
<dt>New Test Framework</dt>
<dd>
Please look at the README file in the TestFramework
directory of the make package for more information on
how to use and write test cases.
</dd>
<dt>NSTimeZones</dt>
<dd>
Updated with the latest zone info.
</dd>
<dt>NSNumberFormatter and NSDateFormatter</dt>
<dd>
Implemented a number of methods.
</dd>
<dt>NSLocale and NSCalendar</dt>
<dd>
Initial implementation of these classes. The libicu 4.0
library is now required for full operation of these classes.
</dd>
<dt>NSNumber</dt>
<dd>
Fix the +numberWith... methods to work for subclasses of
NSNumber rather than creating instances of the default class.
</dd>
<dt>NSFileManager</dt>
<dd>
Implemented a few new methods
</dd>
<dt>NSSet</dt>
<dd>
Add block enumeration
</dd>
<dt>NSOperation</dt>
<dd>
Implement support for concurrent operations
</dd>
<dt>NSRegularExpression</dt>
<dd>
Also requires libicu for full functionality.
</dd>
<dt>NSTimeZone</dt>
<dd>
Implement some more methods
</dd>
<dt>NSNetServices</dt>
<dd>
Implement avahi-based services
</dd>
</dl>
<h2><a name="001014000000">Version 1.21.1</a></h2>
<p>
This is an unstable snapshot release but is functionally
identical to the 1.20-1 stable bugfix release, made to ensure
that the latest available snapshot version of the unstable
branch is at least as up to date as the latest stable release.<br />
The changes in this release
are a timezone handling update to the latest zone information,
various minor bug fixes and portability updates, some small
cleanups and optimizations, a few tweaks to help packagers,
and finally an alteration to the additions library on OSX to
add a category to re-enable serialization of property lists
in the more readable and compact OpenStep format (something the
most recent versions of OSX lost).
</p>
<dl>
<dt>NSAttributedString</dt>
<dd>
Fixes for keyed archiving/unarchiving.
</dd>
<dt>NSData</dt>
<dd>
Improve reading of non-standard files (eg /proc filesystem).
</dd>
<dt>NSHashTable</dt>
<dd>
Fix minor buffer overrun.
</dd>
<dt>NSInvocation</dt>
<dd>
Fix for problem with FFI when caching the method implementation
of a proxy.
</dd>
<dt>NSNumber</dt>
<dd>
Fix the +numberWith... methods to work for subclasses of
NSNumber rather than creating instances of the default class.
</dd>
<dt>NSKeyValueCoding</dt>
<dd>
Fix -isKey for KVC compliance.
</dd>
<dt>NSPropertyList</dt>
<dd>
Fix whitespace handling in XML property lists.<br />
Allow OpenStep style property lists to be written on OSX.
</dd>
<dt>NSTimeZone</dt>
<dd>
Update to latest zone information.<br />
Update list of timezone abbreviations.<br />
Improve diagnostics when no timezone is set.
</dd>
<dt>GSObjCMethodNames</dt>
<dd>
Fix broken implementation.
</dd>
<dt>ObjectiveC2 compatibility</dt>
<dd>
Bugfix for selector lookup issue.<br />
Working implementation of checks for conformance to protocols.
</dd>
<dt>Installation of gdomap</dt>
<dd>
The installation process used to install gdomap setuid to
root by default (for developers/hackers) and packagers were
supposed to change that to not be setid, and start gdomap as root
at system boot time. But packagers weren't doing that.
The installation is now changed to install non-setuid by default
giving packagers more of an incentive to start gdomap properly.
</dd>
<dt>Update of fake-main mechanism</dt>
<dd>
The fake-main mechanism for obtaining program arguments and
environment requires the library to link to the gnustep_user_main
function in any program which uses it. This caused problems where
a distribution packaging system refuses to allow unresolved link
symbols in a library. The code was reworked to use a weak reference
to a local function, avoiding this problem.
</dd>
</dl>
<h2><a name="001015000000">Version 1.21.0</a></h2>
<p>
This is an unstable release synchronized with the 1.20.0
stable release. There have been major changes
and reorganizations to support, among other things, the new
non-fragile ABI from clang. These changes, although they
break binary compatibility with previous releases, should allow
all future releases to maintain compatibility.
</p>
<dl>
<dt>Objective-C 2</dt>
<dd>
Add compatibility code for Objective-C 2.0 when it is not provided
by the compiler or objc library. Some runtime wrappers for
Objective-C have been deprecated in favour of new 2.0 API.
</dd>
<dt>Additions library</dt>
<dd>
Reorganized so all GNUstep extensions are in the Additions
library files.
</dd>
<dt>Mac OS X Compatibility</dt>
<dd>
Various improvements for compatibility including use of
NSInteger/NSUInteger/CGFloat
</dd>
<dt>non-fragile ABI</dt>
<dd>
Support added for this ABI from clang includes additions of
an extra ivar for future expansion and hiding of ivars in some
classes.
</dd>
<dt>NSOperation</dt>
<dd>
Complete NSOperation and NSOperationQueue
(compatible with 10.6 apart from blocks).
</dd>
<dt>Fast Enumeration</dt>
<dd>
Support was added.
</dd>
<dt>NSLock</dt>
<dd>
Complete rewrite of NSLock so they are faster, more complete and
OS X-compatible. NSLock now depends on POSIX threads.
</dd>
</dl>
<h2><a name="001016000000">Version 1.19.3</a></h2>
<p>
This is a new unstable snapshot release of the base library
almost identical to 1.19.2 but containing a bugfix for the
introduction of a change in the behavior of NSURL's -path
method to match OSX. We add a new -fullPath method which
returns the actual path of the URL the way the old -path
implementation did. This is necessary because the OSX behavior
is to strip any trailing '/' from a path so that it's no longer
possible to reliably build a URL string from its component parts.
</p>
<h2><a name="001017000000">Version 1.19.2</a></h2>
<p>
This is a new unstable snapshot release of the base library.
It may contain minor binary incompatibilities with the previous
unstable release, but should generally work with software compiled
for that release.
</p>
<p>
This is primarily intended as a bugfix release prior to major
rewrite of NSLock code by David Chisnall. As such, most changes
are bugfixes and performance tweaks. Some of the main ones are
listed below.
</p>
<dl>
<dt>NSCalendarDate</dt>
<dd>
Add OSX compatible field widths in date formats.
</dd>
<dt>NSCharacterSet</dt>
<dd>
Uses a much more compact internal representation to decrease the
memory footprint of applications which make extensive use of
character sets.
</dd>
<dt>NSFileHandle</dt>
<dd>
Fixes for socket connections on mswindows.
</dd>
<dt>NSRunLoop</dt>
<dd>
Adds OSX compatibility changes with timers acting like input
sources for determining blocking.
</dd>
<dt>NSString</dt>
<dd>
Performance improvements converting between 8bit and 16bit
character representations.
</dd>
<dt>NSURL</dt>
<dd>
Support file URLs on mswindows. Include 'Host' header in requests
to conform to W3C standards.
</dd>
<dt>NSUserDefaults</dt>
<dd>
Fixes for improved thread safety.
Now stores to file in XML format.
</dd>
<dt>Key Value Coding/Observing</dt>
<dd>
Various improvements for OSX compatibility.
</dd>
</dl>
<h2><a name="001018000000">Version 1.19.1</a></h2>
<p>
A great deal of improvements have occurred recently. This includes
many improvements in garbage collection (first to get it working again).
Also many Mac OS X 10.5 methods and classes have been added, as well
as compatibility improvements.
</p>
<dl>
<dt>NSData</dt>
<dd>
Implemented new Mac OS X methods for writing data.
</dd>
<dt>NSFileManager</dt>
<dd>
Fix -fileOwnerAccountID and -fileGroupOwnerAccountID to
return the correct type.
</dd>
<dt>NSHashTable, NSMapTable</dt>
<dd>
New Mac OS X 10.5 API classes.
</dd>
<dt>Garbage Collection</dt>
<dd>
Get GC working again. Fixes in various classes to work
better with GC.
</dd>
<dt>Mac OS X 10.5 Return Types</dt>
<dd>
Methods have been converted to use return types and
arguments of NSInteger, NSUInteger and CGFloat. For now,
these types are equivalent to the old types. This can be
changed in NSObjCRuntime.h so that integer types are the
same size as a pointer, and the float type is actually a
double on 64bit processors.
</dd>
<dt>NSArray</dt>
<dd>
New methods for inserting objects with NSIndexSet
</dd>
</dl>
<h2><a name="001019000000">Version 1.19.0</a></h2>
<p>
This is a new unstable release of the base library. Note that
gnustep-core is now installed in the LOCAL domain by default
instead of the SYSTEM domain. You may want to remove old
installations in the SYSTEM domain to avoid any
incompatibility problems. Or you can force installation in
SYSTEM using make GNUSTEP_INSTALLATION_DOMAIN=SYSTEM
install.
</p>
<dl>
<dt>NSBundle</dt>
<dd>
Improve lookup of versioned library resources and improve
location of resources based on the location of the executable
under ms-windows.
</dd>
<dt>NSConnection</dt>
<dd>
Adds a new keepalive mechanism to check connections at periodic
intervals to see if the other end is still there. This is enabled
for message ports on ms-windows, where the operating system does
not inform us when the other end goes away, and is not needed on
the socket based connections on Unix.
</dd>
<dt>NSException</dt>
<dd>
Implement full support for native objective-c exceptions,
though this requires a fix for the objc runtime which is not yet
available in gcc. The patch for the runtime can be found at
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27466
</dd>
<dt>NSTask</dt>
<dd>
Adds a new method in a category in the Additions library ...
The +launchPathForTool: method will locate a named tool by looking
in all the standard locations in the USER, LOCAL, NETWORK and
SYSTEM domains, and also by looking in PATH.
</dd>
<dt>Portability and compatibility work</dt>
<dd>
There are various minor changes to improve portability
(both improved configuration/detection of system software and
runtime improvements) to different operating systems such as
64bit ms-windows. There are also various improvements to
MacOS-X compatibility.
</dd>
<dt>@synchronize</dt>
<dd>
Implementation of runtime support for @synchronize.
</dd>
</dl>
<h2><a name="001020000000">Version 1.15.4</a></h2>
<p>
This is an unstable release.
</p>
<dl>
<dt>NSArray</dt>
<dd>
New OSX method stubs.
</dd>
<dt>NSAutoreleasePool</dt>
<dd>
Dummy OSX method (-drain).
</dd>
<dt>NSBundle</dt>
<dd>
New OSX method stubs.
</dd>
<dt>NSCoder</dt>
<dd>
New OSX10.5 methods for NSInteger implemented.
</dd>
<dt>NSConnection</dt>
<dd>
New OSX10.5 methods for server connections implemented.<br />
A keepalive facility so that daemons can tell (on mswindows)
that all client processes have gone away, and shut themselves down.
</dd>
<dt>NSData</dt>
<dd>
New OSX method stubs.
</dd>
<dt>NSException</dt>
<dd>
Implement stack address reporting.
</dd>
<dt>NSIndexSet</dt>
<dd>
Add OSX10.5 stub for countOfIndexesInRange
</dd>
<dt>NSKeyvalueObserving</dt>
<dd>
OSX10.5 additions implemented
</dd>
<dt>NSSet</dt>
<dd>
Implemented new OSX methods.
</dd>
<dt>NSStream</dt>
<dd>
Implemented basic SSL/TLS support using gnu-TLS.
</dd>
<dt>NSThread</dt>
<dd>
Implemented new OSX methods.
</dd>
<dt>NSLock, NSRecursiveLock, NSConditionLock</dt>
<dd>
Implemented names.
</dd>
<dt>GSXML, NSXMLParser</dt>
<dd>
Fully support namespace handling and fix bugs.
</dd>
<dt>NSKeyValueCoding, NSKeyValueObserving</dt>
<dd>
Made fully functional and MacOS-X compatible.
</dd>
<dt>Windows 64bit</dt>
<dd>
Changes so that the library can be built/used for 64bit windows.
</dd>
<dt>@synchronize</dt>
<dd>
Support for new ObjC language feature.
</dd>
</dl>
<p>
The current emphasis of the base library is MacOS-X compatibility,
and the headers in this release mark many non-MacOS-X methods as being
scheduled for removal by the next unstable release (from 1.17.0).<br />
These methods will mostly be moved to the 'additions' library,
(which can be built stand-alone in conjunction with the Cocoa Foundation
framework as libgnustep-baseadd on OSX) and their declarations will
be in the headers of that library (<GNUstepBase/...>) rather
than in the <em>Foundation</em> directory.<br />
NB. The markup in the headers and documentation should not be
assumed to be exhaustive ... it is planned that the next stable
release of the base library will enforce MacOS-X compatibility
by default, and you will have to explicitly include headers from
<GNUstepBase/...> in order to use GNUstep specific
additions.<br />
You should track the unstable branch of the base library (subversion
trunk) to find out what changes your software actually needs to make.
</p>
<p>
The TODO list for MacOS-X 10.5 compatibility follows,
this is all stuff which would ideally be done by the next
stable release of this library.
</p>
<ul>
<li>
Remove all non OSX10.5 declarations from standard headers
</li>
<li>
Implement most new method stubs.
</li>
<li>
Implement new OSX10.5 NSCalendar class.
</li>
<li>
Implement new OSX10.5 NSLocale class.
</li>
<li>
Implement new OSX10.5 NSOperation class.
</li>
<li>
Implement new OSX10.5 XML classes.
</li>
<li>
Implement NSInteger coding for NSCoder subclasses.
</li>
<li>
Implement support for now enumerated values
in NSComparisonPredicate.
</li>
<li>
Implement new OSX10.5 features of NSDateFormatter.
</li>
<li>
Implement new OSX10.5 features of NSExpression.
</li>
<li>
Implement new OSX10.5 features of NSPredicate.
</li>
<li>
Implement new OSX10.5 features of NSFileManager.
</li>
<li>
Implement new OSX10.5 features of NSProcessInfo.
</li>
<li>
Implement new OSX10.5 NSHashTable class.
</li>
<li>
Implement new OSX10.5 NSMapTable class.
</li>
<li>
Implement new OSX10.5 NSPointerArray class.
</li>
<li>
Implement new OSX10.5 NSLocale additions.
</li>
<li>
Implement new OSX10.5 features of NSNumberFormatter.
</li>
<li>
Implement new OSX10.5 features of NSNumber/NSValue.
</li>
<li>
Update NSDistributedNotificationCenter
with new OSX methods.
</li>
</ul>
<h2><a name="001021000000">Version 1.15.3</a></h2>
<p>
This is an unstable release.
</p>
<dl>
<dt>Configuration/NSUserDefaults</dt>
<dd>
Syntax within the configuration file extended so that a leading
'../' in a path name denotes a relative path in a relocatable
installation.<br />
New 'GlobalDefaults.plist' file in the same directory as the main
GNUstep config file allows packagers/sysadmins to set up global
defaults easily.
</dd>
<dt>NSStream</dt>
<dd>
Addition of TLS/SSL support using GNU TLS on both unix-like
and mswindows systems. First draft.<br />
Additions of SOCKS proxying support for socket streams. First draft.
</dd>
<dt>NSURLConnection</dt>
<dd>
Added support for https using new stream code.<br />
Added support for basic and digest authentication.
</dd>
</dl>
<h2><a name="001022000000">Version 1.15.2</a></h2>
<p>
This is an unstable release. Bug fixes include improved thread
safety and Key-Value observing.
</p>
<dl>
<dt>NSException</dt>
<dd>
New MacOS X methods and improved stack trace.
</dd>
<dt>NSThread</dt>
<dd>
New methods from Mac OS 10.5 and new ivars
</dd>
<dt>NSDecimal and NSDecimalNumber</dt>
<dd>
Many improvements
</dd>
</dl>
<h2><a name="001023000000">Version 1.15.1</a></h2>
<p>
This is an unstable release. There have been many bug fixes, but
also a few method additions and changes to some headers.
Also the license for this release is now GPLv3 and LGPLv3.
</p>
<dl>
<dt>NSUserDefaults</dt>
<dd>
Stores YES or NO as a string for MacOS X compatibility.
</dd>
<dt>NSErrorRecoveryAttempting</dt>
<dd>
Added header (and some support in the GUI library).
</dd>
<dt>NSArray</dt>
<dd>
Added some new methods to handle multiple objects.
</dd>
<dt>Key-Value Coding</dt>
<dd>
More support for key-value coding.
</dd>
<dt>NSPredicate</dt>
<dd>
Much improved parsing. Ivars have changed in some of the predicate
classes.
</dd>
</dl>
<h2><a name="001024000000">Version 1.15.0</a></h2>
<p>
This is an unstable release from 1.14.0. It is otherwise
identical to the 1.14.0 release. Releases in the 1.15 series
may not be forward compatible with previous 1.15 releases.
</p>
<h2><a name="001025000000">Version 1.14.0</a></h2>
<p>
This is a stable release ... all programs linked with earlier
versions of the library and wishing to use this latest stable
release need to be rebuilt from source.<br />
This release should be used in conjunction with the latest
stable release of the other gnustep core components.
</p>
<p>
This release continues the process of cleanup and restructuring
to further improve MacOS-X compatibility, fix bugs, optimize
performance, and improve portability between different
hardware/operating system platforms.
</p>
<dl>
<dt>NSAffineTransform</dt>
<dd>
Imported from GUI library for MacOS-X compatibility.
</dd>
<dt>NSBundle</dt>
<dd>
Implemented library resource versioning.
</dd>
<dt>NSException</dt>
<dd>
Support provision of stack trace information in exceptions.
</dd>
<dt>NSObject</dt>
<dd>
Fixes for lock contention with retain/release, so the performance
of massively multi-threaded applications is much better.
</dd>
<dt>NSNetServices</dt>
<dd>
New MacOS-X class implemented.
</dd>
<dt>NSPathUtilities</dt>
<dd>
Uses new gnustep-make features to provide native filesystem
integration.
</dd>
<dt>NSPropertyList</dt>
<dd>
XML property list parsing supported even if libxml2 not available.
</dd>
<dt>NSSpellServer</dt>
<dd>
Imported from GUI library for MacOS-X compatibility.
</dd>
<dt>NSValueTransformer</dt>
<dd>
New MacOS-X class implemented.
</dd>
</dl>
<h2><a name="001026000000">Version 1.13.1</a></h2>
<p>
This is a bugfix release improving the stability and security
of applications using the base library.
Programs dynamically linked with the existing stable release
will automatically benefit from these changes once this
version is installed.
</p>
<dl>
<dt>NSBundle</dt>
<dd>
Fix for crash when initializing the bundle system in
an application linked with many frameworks.
</dd>
<dt>NSCalendarDate</dt>
<dd>
Fix for buffer overrun problem when initializing
date from string. Also fixed to return nil when
initializing from some illegal strings.
</dd>
<dt>NSConnection</dt>
<dd>
Some locking fixes to avoid rare deadlocks in heavily
multi-threaded applications.
</dd>
<dt>NSDecimalNumber</dt>
<dd>
Fix to handle current locale properly when initializing.
</dd>
<dt>NSIndexSet</dt>
<dd>
Fix bug adding indexes in a range which lies within a
range already in the set.
</dd>
<dt>NSPropertyList</dt>
<dd>
Fix problem writing negative numbers into old-style
property list.
</dd>
<dt>NSString</dt>
<dd>
Fix for problem with keyed archiving of simple strings.
</dd>
<dt>NSURL</dt>
<dd>
Fix a potential repeated load of the same resource.
Also fix to return nil when initialised with a string
which does not contain a URL scheme.
</dd>
<dt>NSURLHandle</dt>
<dd>
Improve handling of persistent connections when the remote
host drops the connection unexpectedly.
</dd>
<dt>GSXML</dt>
<dd>
Fix bug causing removal of newline characters from escaped
strings.
Fix error setting start end end element for SAX.
</dd>
</dl>
<h2><a name="001027000000">Version 1.13.0</a></h2>
<p>
Several sets of classes have been added for dealing with URLs and
predicates. A few minor api changes have occurred as well.
</p>
<dl>
<dt>Character sets</dt>
<dd>
Character sets were improved with regard to ranges (Chinese
characters, etc).
</dd>
<dt>Keyed Archiving</dt>
<dd>
Better compatibility with MacOSX. In particular, some guesses
are made as to how some objects should be encoded.
</dd>
<dt>GNUstep configuration file</dt>
<dd>
Extra keys are allowed in the configuration file with the
definition of the GNUSTEP_EXTRA key.
</dd>
<dt>URL Loading</dt>
<dd>
Headers and a basic framework for Apple's new URL loading scheme
were added, although this is not fully implemented yet.
</dd>
<dt>Objective-C++</dt>
<dd>
Most of the code was updated to compile nicely with the new
gcc objective-c++ compiler.
</dd>
<dt>NSString designated initialiser</dt>
<dd>
The GNUstep designated initialiser for the NSString class
cluster has changed to
<code>-initWithBytesNoCopy:length:encoding:freeWhenDone:</code>
from
<code>-initWithCharactersNoCopy:length:freeWhenDone:</code>
and older code sub classing NSString will need to be updated.
</dd>
<dt>NSBundle bundleWithIndentifier:</dt>
<dd>
The NSBundle method <code>+bundleWithIdentifier:</code> was
added.
</dd>
<dt>NSPredicate</dt>
<dd>
A basic implementation of the NSPredicate classes (NSPredicate,
NSComparisonPredicate, NSCompoundPredicate, NSExpression) was
added.
</dd>
<dt>Stack traces</dt>
<dd>
Support for getting stack traces via bfd was added
experimentally. You have to define STACKTRACE when compiling
base to get this.
</dd>
<dt>Languages</dt>
<dd>
Added new language files Esperanto, Korean, and Ukrainian.
</dd>
<dt>Run loops</dt>
<dd>
Removed the timeout facility for run loop watchers - you should
use standard timers instead. The watcher interface is deprecated
anyway.
</dd>
</dl>
<h2><a name="001028000000">Version 1.12.0</a></h2>
<p>
There have been a number of API changes and several
methods have been depreciated in this release. Although
current GNUstep programs that use these methods will still
work in this version, there are enough changes that a new
library version was considered useful.
</p>
<dl>
<dt>NSCoder deprecated methods</dt>
<dd>
Several methods using the old libObjects style scheme
<code>withName:</code> are now deprecated. You can use the new
NSKeyedArchiver and NSKeyedUnarchiver functionality to perform
the same function in a much more portable way.
</dd>
<dt>NSPortCoder, NSPortMessage private methods</dt>
<dd>
The private method <code>_components</code> was removed
from the public interface.
</dd>
<dt>NSString -getCString:maxLength:encoding:</dt>
<dd>
The return type of this function was changed to BOOL.
</dd>
<dt>NSBundle deprecated and private methods</dt>
<dd>
Several deprecated and private methods were removed from
the public interface including
<code>+gnustepBundle</code>, and
<code>+pathForGNUstepResource:ofType:inDirectory:</code>.
</dd>
<dt>NSNotificationCenter deprecated method</dt>
<dd>
The GNUstep method <code>setLockingDisabled:</code> method
was deprecated.
</dd>
<dt>NSNotificationQueue private functions</dt>
<dd>
Private functions <code>GSNotifyASAP</code>,
<code>GSNotifyIdle</code>, and <code>GSNotifyMore</code>
were removed from public interface.
</dd>
<dt>NSRunLoop watcher API updates and other changes</dt>
<dd>
We are starting to integrate the Cocoa NSStream classes
into GNUstep, which allow you to do much the same things
as the GNUstep-specific run loop watcher API was
intended. At some point the watcher API will be deprecated
as it will be redundant with NSStream functionality. Also
the deprecated win32 specific methods for NSRunLoop were
removed.
</dd>
<dt>NSAttributedString deprecated method</dt>
<dd>
The non-standard
<code>attributedSubstringWithRange:</code> method (just a
synonym for the real method) was deprecated.
</dd>
<dt>NSConnection, NSDistantObject method removal</dt>
<dd>
Several legacy methods from the original GNU Connection
class were removed or moved to the additions category of
the library.
</dd>
<dt>NSAutoreleasePool private methods</dt>
<dd>
The private method <code>_endThread:</code> was removed
from the public interface.
</dd>
<dt>NSPortNameServer private methods</dt>
<dd>
Several private methods were removed from the public interface.
</dd>
<dt>NSStream, NSIndexPath</dt>
<dd>
New classes added to the library.
</dd>
<dt>NSUserDefaults improvements</dt>
<dd>
User defaults were restructured to create the defaults
lazily and can be set to not write to an external file at
all, for developers who wish to use the library as a
stand-alone library or in other situations where using
external resources is not desired.
</dd>
</dl>
<h2><a name="001029000000">Version 1.11.2</a></h2>
<dl>
<dt>GNUstep.conf and relocation</dt>
<dd>
Support for GNUstep.conf and relocation of the filesystem is
much improved in this release.
</dd>
<dt>Windows platform</dt>
<dd>
The WM_QUIT message is now intercepted to allow an application to
terminate cleanly.
</dd>
<dt>NSMessagePort - Windows platform</dt>
<dd>
NSMessagePort was implemented on Windows platforms.
</dd>
<dt>NSOpenStepRootDirectory</dt>
<dd>
This function has been un-deprecated, and the documentation
clarified so it is easier to understand what it does and does
not do.
</dd>
<dt>GNUsteprc</dt>
<dd>
Deprecated support for system-wide GNUsteprc files has
been removed.
</dd>
</dl>
<h2><a name="001030000000">Version 1.11.1</a></h2>
<dl>
<dt>NSSortDescriptor</dt>
<dd>
New class.
</dd>
<dt>NSStringFromPoint, NSStringFromRect, NSStringFromSize</dt>
<dd>
Functions now output strings that can be read by old
OpenStep implementations (but can also still be read by GNUstep and
MacOSX).
</dd>
<dt>Debugging support</dt>
<dd>
More support for debugging on mingw, including writing logs to
debugger and event viewer.
</dd>
</dl>
<h2><a name="001031000000">Version 1.11.0</a></h2>
<p>
The interface version of the base library has changed in
this release. Applications, libraries and tools that
wish to use this new version must be recompiled
(otherwise, they'll use the older version of the library).
</p>
<dl>
<dt>Window's changes</dt>
<dd>
A lot of the behavior of path handling in the base
library has changed with respect to Window's machines.
Windows native paths are used throughout.
The fileSystemRepresentation methods now use utf-16
as the external c-string representation on windows.
The local to openstep and openstep to local methods
are now deprecated and do nothing. Other changes to
classes and class variables have also occurred (detailed
below).
</dd>
<dt>Path/Startup configuration</dt>
<dd>
At the startup of any application or tool, GNUstep used to
look at various environment variables in order to find
the location of various data directories and other
things. GNUstep still does this, but the environment
variables are no longer required to find these
files. In addition the configuration files used to
override certain path behavior has been changed and
expanded. See the base library documentation on GNUstep
Configuration Files for more information.
</dd>
<dt>NSCharacterSets</dt>
<dd>
Character sets are included in the library itself instead
of being loaded from a data file. Also, the
NSBitmapCharSet API has been removed.
</dd>
<dt>NSPathUtilities</dt>
<dd>
Depreciated functions GSSystemRootDirectory and
GSStandardPathPrefixes. In addition, beware of using the
function NSOpenStepRoot, which may not necessarily return
the information you need (see the documentation for this
function for more info). Enumeration values for
NSSearchPathDirectory have changed.
</dd>
<dt>NSRunLoop</dt>
<dd>
NSRunLoop and related classes now use native win32 event
handling on Window's machines. See also GSFileHandle,
NSSocketPort and NSMessagePort.
</dd>
<dt>GSFileHandle</dt>
<dd>
This GNUstep specific class has a new ivar on Windows.
</dd>
<dt>NSSocketPort, NSMessagePort</dt>
<dd>
This class has a new ivar on Windows.
</dd>
<dt>NSPortNameServer</dt>
<dd>
A one-time warning is printed concerning a future change in
which nsconnections will only work between processes owned
by the same account on
the same machine, for MacOSX compatibility and
security. If inter-host/user communication is desired,
the developer will need to set this explicitly.
</dd>
<dt>Keyed Encoding</dt>
<dd>
Work was done in many classes to support keyed
encoding. It may not be fully implemented in every class, however.
</dd>
</dl>
<h2><a name="001032000000">Version 1.10.3</a></h2>
<p>
This release includes a few minor bug fixes.
</p>
<h2><a name="001033000000">Version 1.10.2</a></h2>
<p>
This release is most likely the last release in this series,
aside from possible bug fixes.
It was was branched from CVS on Feb 22, 2005.
</p>
<dl>
<dt>NSContainsRect behavior change</dt>
<dd>
The definition of NSContainsRect has changed to
correspond with the current Mac OS X/Cocoa definition. The
sides of the bRect can touch aRect.
</dd>
<dt>Unichar file paths</dt>
<dd>
Windows supports unichar file paths, but there isn't
really an API for handling this. GNUstep-specific
methods for dealing with this have been
added, <code>NSFileManager's
-localFromOpenStepPath</code> and
<code>openStepPathFromLocal</code> and equivalent methods for
<code>NSString</code>. In most cases the Base library should
handle this problem internally, but it's possible that there
are cases where the developer wants to handle the file name
explicitly with system-specific functions.
</dd>
<dt>NSDictionaryErnumerator</dt>
<dd>
Some ivars in NSDictionaryEnumerator have changed types,
but the total storage space has not changed. This may
cause problems if you access ivars directly, perhaps
through a subclass.
</dd>
<dt>NSNotification -setImmutablePost</dt>
<dd>
This GNUstep extension method was removed.
</dd>
<dt>NSPort extension methods</dt>
<dd>
Unimplemented GNUstep extension methods <code>-close</code>,
<code>-outPackedClass</code>,
and <code>+outPackedClass</code> were removed.
</dd>
<dt>NSTimeZone -abbreviationDictionary</dt>
<dd>
<code>NSTimeZone</code>'s abbreviation dictionary is now
a proper one-to-one dictionary.
</dd>
</dl>
<h2><a name="001034000000">Version 1.10.1</a></h2>
<p>
</p>
<dl>
<dt>Runtime version discovery of library</dt>
<dd>
A developer can discover the version of the base library that
is loaded using the NSBundle methods
<code>[[NSBundle bundleForLibrary: @"gnustep-base"] infoDictionary]</code>
and retrieving the <var>GSBundleVersion</var> key.
</dd>
<dt>NSXMLParser class added</dt>
<dd>
This is a Cocoa class that has been added for
compatibility. The class is still alpha state.
</dd>
<dt>NSArray makeObjectsPerformSelector:</dt>
<dd>
The order of iteration through objects was changed to
match Cocoa.
</dd>
<dt>Designated initializer changes</dt>
<dd>
The designated initializer for NSArray, NSDictionary,
NSSet, and NSString for MacOS X compatibility. Like
MacOS X, you can call <code>[super init]</code> to initialize
the class from a subclass, although it is prefered that you use
the <em>designated initializer</em>, with it's richer
set of initializers.
</dd>
</dl>
<h2><a name="001035000000">Version 1.10.0</a></h2>
<p>
</p>
<dl>
<dt>Interface version change</dt>
<dd>
The interface version of the base library has changed in
this release, as it will in all future releases with a
new minor number (that's the second number in the
release number). Applications, libraries and tools that
wish to use this new version must be recompiled
(otherwise, they'll use the older version of the library).
There is no single reason for this change. Arguably, it
should have been done long ago.
</dd>
<dt>NSString clarification</dt>
<dd>
The NSString documentation contains some clarification
on the lifetime of returned NSString objects.
</dd>
<dt>URL classes support persistent connections</dt>
<dd>
The NSURLHandle and other classes have support for
persistent connections.
</dd>
<dt>NSMethodSignature clarification</dt>
<dd>
Recent compiler releases have exposed a flaw in the way
GNUstep gathers signature information. The
documentation explains how the information for offset
and registers may not be reliable.
</dd>
<dt>Mac OS X compatibility</dt>
<dd>
There have been many fixes in various classes for Mac
OS X compatibility, particularly relating to XML encoding.
</dd>
</dl>
<h2><a name="001036000000">Version 1.9.2</a></h2>
<p>
</p>
<dl>
<dt>GSMime parsing ignores extraneous data</dt>
<dd>
When extraneous data is encountered in the input, it is ignored
(and a warning logged) rather than adding it to the
message body. Not sure this is right though, perhaps we should
raise an exception or extend the api to return the extra
data. Anyway, it's better than the previous behavior of
adding the bad data to the parsed body.
</dd>
<dt>New log functions GSOnceFlag and GSOnceMLog</dt>
<dd>
Log messages the first time the code is executed. Typical
usage is to log warnings about deprecated features.
</dd>
<dt>NSError</dt>
<dd>
New MacOSX compatibility class
</dd>
<dt>GSObjCRuntime</dt>
<dd>
Multiple new runtime functions that work with both GNU
and Apple runtimes. These functions allow you to look
at method lists, add and remove methods (for instance,
if you want to make sure your method in a category
overrides another method in a category).
</dd>
<dt>NSProtocolChecker rewritten</dt>
<dd>
Was previously almost non-functional.
</dd>
<dt>autogsdoc</dt>
<dd>
Support added for building frames structured documentation.
Add the flag <code>-MakeFrames YES</code> to the autogsdoc
command line.
</dd>
<dt>Binary incompatibilities</dt>
<dd>
NSUnarchiver, GSIMapTable have new ivars added to
them. Tools and applications that use these classes may
need to be recompiled after the new library is installed.
</dd>
</dl>
<br />
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