2 Improved the LZX compressor. It is now 15-20% faster than before and
3 provides a slightly better compression ratio.
5 Improved the LZMS compressor. It now provides a compression ratio
6 slightly better than WIMGAPI while still being faster and using slightly
9 The compression chunk size in solid resources, e.g. when capturing or
10 exporting a WIM file using the '--solid' option, now defaults to 64 MiB
11 (67108864 bytes) instead of 32 MiB (33554432 bytes). This provides a
12 better compression ratio and is the same value that WIMGAPI uses. The
13 memory usage is less than 50% higher than wimlib v1.7.4 and is slightly
14 lower than WIMGAPI's memory usage, but if it is too much, it is still
15 possible to choose a lower value, e.g. with the '--solid-chunk-size'
16 option to wimlib-imagex.
18 The '--chunk-size' and '--solid-chunk-size' options to wimlib-imagex now
19 accept the 'K', 'M', and 'G' suffixes.
21 Files are now sorted by name extension when creating a solid WIM file.
23 Fixed various issues related to capture/apply of EFS-encrypted files on
26 The file list printed by 'wimdir' is now sorted by the platform-specific
27 case sensitivity setting, rather than always case sensitively. This
28 also affects the library function wimlib_iterate_dir_tree().
30 On Windows, some error and warning messages have been improved.
33 The Windows binary distribution no longer contains third party DLLs.
34 These dependencies are instead compiled directly into the libwim DLL.
36 Added more fixes for wimlib on non-x86 architectures such as ARM.
38 Extracting files to a Windows PE in-memory filesystem no longer fails if
39 the target files do not yet exist.
41 Improved the performance of XPRESS compression and LZMS decompression.
43 Enabled SSSE3 accelerated SHA-1 computation in x86_64 Windows builds.
44 It will automatically be faster on newer Intel and AMD processors.
46 Removed the --with-imagex-progname and --enable-more-assertions
50 Fix for very slow export from solid WIM / ESD files.
52 Fix for LZX and LZMS algorithms on non-x86 architectures, such as ARM.
54 New progress message: WIMLIB_PROGRESS_MSG_HANDLE_ERROR. Applications
55 may use this to treat some types of errors as non-fatal.
57 The library now permits making in-memory changes to a WIMStruct backed
58 by a read-only WIM file.
60 Fixes for "WIMBoot" extraction mode (Windows only):
62 When not using the WOF driver, extraction no longer fails if the
63 disk containing the WIM file has too many partitions.
65 When matching patterns in [PrepopulateList], all hard links of
66 each file are now considered.
68 The system registry files are now automatically treated as being
71 Added a hack to try to work around an intermittent bug in
72 Microsoft's WOF (Windows Overlay Filesystem) driver.
75 Made more improvements to the XPRESS, LZX, and LZMS compressors.
77 A number of improvements to the Windows port:
79 Fixes for setting short filenames.
81 Faster "WIMBoot" extraction.
83 Updated and slimmed down the dependent DLLs.
85 ACL inheritence bits are now restored.
87 Mandatory integrity labels are now backed up and restored.
89 Added a workaround for an issue where in rare cases, wimlib could create
90 a compressed data stream that could not be read correctly by Windows
91 after an extraction in "WIMBoot" mode.
94 Added file count progress data for
95 WIMLIB_PROGRESS_MSG_EXTRACT_FILE_STRUCTURE and
96 WIMLIB_PROGRESS_MSG_EXTRACT_METADATA.
98 Added support for testing file exclusions via the user-provided
101 Some documentation improvements.
103 Made some clarifications to the license text in the COPYING file.
106 Made more improvements to the XPRESS, LZX, and LZMS compressors.
108 The default compression mode for wimcapture is now LZX compression in
109 its default mode, which is the same as '--compress=maximum'.
111 You can now specify an optional integer compression level to the
112 '--compress' option; e.g. '--compress=lzx:75'.
114 Made a minor change to the LZMS compressor and decompressor to fix an
115 incompatibility with the Microsoft implementation. In the unlikely
116 event that you created an LZMS-compressed WIM with wimlib v1.7.0 or
117 earlier and a checksum error is reported when extracting files from it
118 with wimlib v1.7.1, decompress it with v1.7.0 then compress it with
121 Added 'verify' subcommand to wimlib-imagex.
123 Notable library changes:
125 Custom compressor parameters have been removed from the library
126 in favor of the simpler level-based API.
128 Decompressor parameters have been removed entirely.
130 Library users can now specify a custom file for warning and
131 error messages to be sent to, rather than the default of
134 New progress messages:
135 WIMLIB_PROGRESS_MSG_EXTRACT_FILE_STRUCTURE,
136 WIMLIB_PROGRESS_MSG_EXTRACT_METADATA.
138 New function: wimlib_verify_wim().
141 Improved compression, decompression, and extraction performance.
143 Improved compatibility with version 3584 WIM / ESD files:
144 - Add support for reading and writing multiple solid blocks per
145 archive, which WIMGAPI/DISM can create when appending an image.
146 - Correctly create solid blocks larger than 4 GiB.
148 'add' commands passed to wimupdate will now replace existing
149 nondirectory files by default. Use the --no-replace option to get the
152 The license for the library now contains an exception that allows using
153 it under the LGPL. See the COPYING file for details.
155 In reparse-point fixup mode (the default for capture), symbolic links
156 and junctions that point outside the tree being captured are no longer
157 excluded from capture.
159 Added support for "WIMBoot" capture and extraction. See the
160 documentation for the new '--wimboot' option to wimcapture and wimapply
161 for more information.
163 On UNIX-like systems, you can now backup and restore device nodes, named
164 pipes, and sockets. In addition, 32-bit user and group IDs are now
167 The way that UNIX data is stored in WIM files has been changed. If you
168 captured any WIMs with the --unix-data option, to upgrade them you'll
169 need to apply them with --unix-data using wimlib-imagex v1.6.2, then
170 re-capture them with --unix-data using this version.
172 wimlib now understands tagged metadata items, such as object IDs, that
173 can be stored in WIM directory entries.
175 Removed the --hardlink and --symlink options to wimapply, since I don't
176 think they are too useful and they got in the way of improving the code.
178 WIMs will now retain their GUIDs when rebuilt (e.g. with wimoptimize).
180 The 'mkwinpeimg' script now supports writing the ISO image to standard
183 The <ARCH> element in WIM XML data is now exported correctly.
185 On Windows, sparse file attributes are no longer set on extracted files.
186 Oddly enough, this actually saves disk space in some cases.
188 On UNIX, configuring with --disable-xattr or --enable-xattr is no longer
189 supported. Mounting WIM images now always requires extended attribute
190 support. Use --without-fuse to disable support for mounting WIM images;
191 this will also disable the need for extended attribute support.
193 Configuring with --enable-ssse3-sha1 now works correctly.
195 The shared library version has been bumped up. The main
196 incompatibilities are:
198 - WIMLIB_COMPRESSION_TYPE_XPRESS is now 1 and
199 WIMLIB_COMPRESSION_TYPE_LZX is now 2 (so it's the same as
202 - User-provided progress functions are now registered using a
203 separate function, wimlib_register_progress_function(). The
204 'progress_func' argument to many functions no longer exists.
206 - The return value from user-provided progress functions is now
209 - A context argument has been added to the prototype of
210 user-provided progress functions.
212 - 'struct wimlib_capture_config' has been removed. The library
213 now takes the path to the configuration file directly. This
214 affects wimlib_add_image(), wimlib_add_image_multisource(),
215 and wimlib_update_image(). However, a NULL value passed in
216 the argument retains the same meaning.
218 - Removed deprecated functions: some (de)compression functions,
219 wimlib_extract_files(), and wimlib_print_metadata().
221 - Removed extraction flags: WIMLIB_EXTRACT_FLAG_HARDLINK,
222 WIMLIB_EXTRACT_FLAG_SYMLINK, WIMLIB_EXTRACT_FLAG_FILE_ORDER,
223 and WIMLIB_EXTRACT_FLAG_SEQUENTIAL.
225 - Removed some progress messages:
226 WIMLIB_PROGRESS_MSG_APPLY_TIMESTAMPS,
227 WIMLIB_PROGRESS_MSG_EXTRACT_DIR_STRUCTURE_BEGIN,
228 WIMLIB_PROGRESS_MSG_EXTRACT_DIR_STRUCTURE_END. Numbering
231 - Removed some error codes. Numbering stays the same.
233 - Replaced WIMLIB_UNMOUNT_FLAG_LAZY with
234 WIMLIB_UNMOUNT_FLAG_FORCE.
236 - WIM paths passed to progress functions now have a leading
240 Case-insensitive comparisons of strings (e.g. filenames) containing
241 UTF-16 codepoints above 32767 are now done correctly.
243 Fixed build failure on Mac OS X.
245 wimunmount now provides the '--new-image' option to cause changes to a
246 read-write mounted image to be committed as a new image rather than as
247 an update of the mounted image. (The corresponding new library flag is
248 WIMLIB_UNMOUNT_FLAG_NEW_IMAGE.)
250 The LZMS ("recovery") compression chunk size, or "dictionary size", may
251 now be up to 1 GiB (1,073,741,824 bytes).
253 The performance of LZX ("maximum") and LZMS ("recovery") compression
254 with large chunk sizes has been slightly improved.
257 Stored files with size exactly 4 GiB (4,294,967,296 bytes) are now
258 decompressed correctly.
260 Fixed a bug in the LZX compressor introduced in v1.5.3. The bug
261 occurred in an unlikely case, and due to validity checks it did not
262 affect successfully created archives.
264 Fixed a minor compatibility issue with the LZMS compressor and
265 decompressor. This is *not* the default compression type and was only
266 introduced in v1.6.0. In the unlikely event that you created an
267 LZMS-compressed WIM with v1.6.0 and a checksum error is reported when
268 applying it with v1.6.1, decompress it with v1.6.0 then compress it with
271 Memory usage for LZMS and LZX compression has been decreased.
273 wimextract now allows wildcard characters in paths specified on the
274 command line. Also, the '--strict-wildcards' option has been removed
275 and replaced with the inverse option '--nullglob'. See the
276 documentation for wimextract for more details and changes.
278 The wimlib_extract_files() function is now considered deprecated in
279 favor of wimlib_extract_paths().
281 Fixed more permissions problems when extracting files on Windows.
283 A new '--no-attributes' option has been added to wimapply and
284 wimextract. The library flag is WIMLIB_EXTRACT_FLAG_NO_ATTRIBUTES.
286 The default chunk size is now set correctly when changing the
287 compression type of a WIM, for example with 'wimoptimize'.
289 The '--metadata' option to wiminfo has been replaced with the
290 '--detailed' option to wimdir.
292 In relevant wimlib-imagex commands, '--solid' may now be used as an
293 alias for '--pack-streams'.
296 Support for extracting and updating the new version 3584 WIMs has been
297 added. These WIMs typically pack many streams ("files") together into a
298 single compressed resource, thereby saving space. This degrades the
299 performance of random access (such as that which occurs on a mounted
300 image), but optimizations have been implemented for extraction. These
301 new WIM files also typically use a new compression format (LZMS), which
302 is similar to LZMA and can offer a better compression ratio than LZX.
303 These new WIM files can be created using `wimcapture' with
304 the '--compress=lzms --pack-streams' options. Note: this new WIM format
305 is used by the Windows 8 web downloader, but important segments of the
306 raw '.esd' files are encrypted, so wimlib will not be able to extract
307 such files until they are first decrypted.
309 wimlib now supports extracting files and directories from a WIM image
310 based on a "listfile" that itself contains the list of paths to extract.
311 For `wimextract', the syntax is to specify @LISTFILE instead of a PATH,
312 and for the library itself, the new APIs are wimlib_extract_pathlist()
313 and wimlib_extract_paths(). Path globs containing wildcard characters
316 For searching WIM files, wimlib now has configurable case sensitivity.
317 The default on Windows is still case-insensitive and the default on
318 UNIX-like systems is still case-sensitive, but this can be overridden
319 on either platform through flags to wimlib_global_init(). For
320 `wimlib-imagex', the environmental variable WIMLIB_IMAGEX_IGNORE_CASE
321 can be set to 1 or 0 for case-insensitive or case-sensitive behavior,
324 Support for compression chunk sizes greater than the default of 32768
325 bytes has been added. A larger chunk size typically results in a better
326 compression ratio. However, the MS implementation is seemingly not
327 compatible with all chunk sizes, especially for LZX compression, so the
328 defaults remain unchanged, with the exception of the new LZMS-compressed
329 WIMs, which use a larger chunk size by default.
331 The compression/decompression API exported by wimlib has been changed.
332 Now one set of functions handles all supported compression formats.
334 `wimcapture' and `wimappend' will now display the progress of scanning
335 the directory tree to capture, in addition to the progress of writing
336 data to the WIM. The '--verbose' option no longer does anything. The
337 library API change for this is the addition of several members to
338 `struct wimlib_progress_info_scan' available to progress callbacks.
340 `mkwinpeimg' now correctly handles the '--start-script' option when the
341 start script is not in the working directory.
343 Sequential extraction, previously requested by using
344 WIMLIB_EXTRACT_FLAG_SEQUENTIAL, is now the default.
345 WIMLIB_EXTRACT_FLAG_FILE_ORDER can be used to get the old default
346 behavior (extract in file order).
349 The new LZX compressor added in v1.5.2 has been improved and is now
350 enabled by default, except when `wimcapture' or `wimappend' is run
351 *without* the '--compress' option, in which case the faster LZX
352 compressor is used (the same as before). This behavior is reasonably
353 consistent with ImageX which actually uses "fast" (XPRESS) compression
354 by default. In those cases, use '--compress=maximum' to explicitly
355 capture a WIM image using the new (slower but better) LZX compressor.
357 The '--compress-slow' option still exists to `wimlib-imagex optimize',
358 but its new behavior is to tweak the new LZX compressor even more to
359 produce an even better compression ratio at the cost of more time spent
362 `wimlib-imagex optimize' now supports the '--compress=TYPE' option,
363 which recompresses the WIM file using the specified compression TYPE.
364 The new library API function used for this is
365 wimlib_set_output_compression_type().
367 Added the wimlib_get_xml_data() function to allow library clients to
368 easily retrieve the raw XML data from a WIM file if needed.
370 Fixed a bug that could cause an error code to be incorrectly returned
371 when writing XML data containing a <WINDOWS> element.
373 Mounted WIM images will now correctly show the default file stream even
374 if appears in the alternate data stream entries of the corresponding WIM
378 Added a new experimental LZX compressor which can be enabled by passing
379 '--compress-slow' to `wimlib-imagex capture' or `wimlib-imagex
380 optimize'. (The latter is only applicable if the WIM is already
381 LZX-compressed and the '--recompress' option is also given.) The
382 experimental compressor is much slower but compresses the data slightly
383 more --- currently usually to within a fraction of a percent of the
384 results from WIMGAPI/ImageX.
386 A workaround has been added for compatibility with versions of WinPE
387 that interpret alternate data stream entries in the boot WIM
390 An alignment bug that caused a crash in the LZX decompressor on some
393 wimlib now attempts to clear the WIM_HDR_FLAG_WRITE_IN_PROGRESS flag in
394 the WIM header when restoring the previous state of a WIM it failed to
397 Added a workaround to avoid an access denied error on Windows when
398 replacing a WIM file that another process has opened.
401 wimlib can now open WinPE WIMs from WAIK v2.1, which had a quirk that
402 needed to be handled.
404 A bug in the interpretation of negative IMAGE indices in the
405 --update-of=[WIMFILE:]IMAGE option to `wimlib-imagex capture' and
406 `wimlib-imagex append' has been fixed.
408 A workaround has been added to successfully apply security descriptors
409 with empty DACLs when the NTFS-3g apply mode is being used with NTFS-3g
410 2013.1.13 or earlier.
412 `wimlib-imagex capture' can now accept the '--delta-from' option
416 Added support for "pipable" WIMs. Pipable WIMs allow capturing images
417 to standard output and applying images from standard input, but they are
418 not compatible with Microsoft's software and are not created by default.
419 See the documentation for --pipable flag of `wimlib-imagex capture' for
422 To better support incremental backups, added support for declaring an
423 image as a modified form of another image. See the documentation for
424 the '--update-of' option of `wimlib-imagex append' and `wimlib-imagex
427 Added supported for "delta" WIMs. See the documentation for the
428 '--delta-from' option of `wimlib-imagex capture'.
430 The library support for managing split WIMs has been changed to support
431 other arrangements, such as delta WIMs, and be easier to use. This
432 change is visible in `wimlib-imagex', which also can now accept the
433 '--ref' option multiple times, and also now supports "delta" WIMs as
436 wimlib now preserves WIM integrity tables by default, even if
437 WIMLIB_WRITE_FLAG_CHECK_INTEGRITY is not specified. This changes the
438 behavior of `wimlib-imagex' whenever the WIM being operated on contains
439 an integrity table and the '--check' option is not specified.
441 `wimlib-imagex capture' now creates LZX-compressed WIMs by default
442 (when --compress is not specified). This provides the best compression
443 ratio by default, which is usually what is desired, at a cost of some
446 `wimlib-imagex' now supports being invoked as wimCOMMAND, where COMMAND
447 is the command as in `wimlib-imagex COMMAND'; for example, it can be
448 invoked as `wimapply' as an alternative to `wimlib-imagex apply'. The
449 appropriate hard links are created in UNIX installations of
450 `wimlib-imagex', while for the Windows distribution of `wimlib-imagex',
451 batch files that emulate this behavior are generated.
453 Security descriptors are now extracted correctly on Windows.
455 Fixed archiving DOS names in NTFS-3g capture mode.
457 The extraction code has been rewritten and it will now be easier to
458 support new features on all supported backends (currently Win32, UNIX,
459 and NTFS-3g). For example, hard-linked extraction mode (--hardlink) is
460 now supported on all backends, not just UNIX.
462 `mkwinpeimg' now supports grabbing files from the WAIK supplement rather
463 than the WAIK itself.
465 wimlib_global_init() now, by default, attempts to acquire additional
466 privileges on Windows, so library clients need not do this.
468 This update bumps the shared library version number up to 9, since it is
469 not binary compatibible with previous releases.
472 Fixed bug in `wimlib-imagex export' that made it impossible to export an
473 image from a WIM that is readonly at the filesystem level.
475 Return error code rather than segfaulting when trying to list files from
476 a non-first part of a split WIM.
478 Joining a WIM will now preserve the RP_FIX and READONLY flags.
481 On Windows, paths given to wimlib-imagex are now treated case
484 Improved behavior regarding invalid filenames; in particular, on
485 Windows, wimlib-imagex will, when extracting, now omit (with an option
486 to override this default) filenames differing only in case, or filenames
487 containing characters not valid on Windows.
489 On Windows, wimlib now supports capturing and extracting long paths
490 (longer than the so-called MAX_PATH).
492 On Windows, `wimlib-imagex update' now acquires proper privileges when
493 running as an Administrator.
495 `wimlib-imagex update' will now complain if no image is specified when
496 trying to update a multi-image WIM.
498 `wimlib-imagex update' now supports specifying a single update command
499 directly on the command line using the --command option.
501 wimlib-imagex will now choose different units for progress messages,
502 depending on the amount of data that needs to be processed.
504 `wimlib-imagex append' will now generate a unique WIM image name if no
505 name is specified and the defaulted name already exists in the WIM.
507 wimlib now allows you to create unnamed WIM images, which can then only
508 be referred to by index.
510 wimlib now allows you to explicitly declare you want write access to a
511 WIM by providing the WIMLIB_OPEN_FLAG_WRITE_ACCESS flag to
514 wimlib now respects the WIM_HDR_FLAG_READONLY flag when set in the WIM
517 Progress callbacks have been added to wimlib's wimlib_update_image()
520 Added wimlib_get_wim_info(), wimlib_set_wim_info(),
521 wimlib_iterate_dir_tree(), and wimlib_iterate_lookup_table() functions
524 NTFS-3g capture now only warns about two conditions previously treated
527 Fixed a couple issues with using wimlib-imagex on UDF filesystems on
530 wimlib now correctly detects and returns an error when reading a WIM
531 image with a cyclic directory structure. (Fun fact: such a WIM will
532 crash Microsoft's software.)
535 Added new "extract" and "update" subcommands to wimlib-imagex, along
536 with associated APIs in the library. These commands are intended mainly
537 for Windows use but can be used on UNIX as well.
539 Many documentation improvements.
541 Fixed a bug in the Windows build where relative symbolic links were not
542 captured in reparse-point fixup mode.
544 Fixed a bug in the Windows build where file handles were left open to
545 the WIM file, causing `wimlib_imagex optimize' to fail in some cases.
547 Fixed a bug in the Windows build of wimlib-imagex where globbing
548 split-WIM parts could cause the program to crash.
550 Fixed a bug where the creation time of WIM images would be shown instead
551 of the last modification time.
553 With the Windows build it is now possible to restore a WIM containing
554 symbolic links as a non-Administrator; however you will receive warnings
555 about not being able to extract the symbolic links.
558 Capturing a WIM image should now be significantly faster in most cases
559 due to improved use of the operating system's cache and avoiding reading
560 files twice whenever possible.
562 The Windows build should now work on Windows XP.
564 The Windows build now supports capturing and restoring hidden,
565 compressed, sparse, and encrypted files.
567 The Windows build now supports capturing and applying WIM images from
568 filesystems other than NTFS (with some reduced functionality).
570 The Windows build now extracts short names correctly.
572 Added support for "reparse-point" fixups (i.e. fixing up of symbolic
573 links). See docs for --rpfix and --norpfix flags of `wimlib-imagex
574 capture' and `wimlib-imagex apply'.
576 The performance of splitting and joining WIMs should be slightly
579 The LZX and XPRESS compression and decompression functions are now
580 exported from the library.
583 Improvements and bugfixes for the Windows build.
585 Added --strict-acls options.
587 Fixed the way that wimlib determines the order of images in the WIM.
590 Since wimlib can now be used on Windows, wimlib's implementation of
591 ImageX has been renamed to wimlib-imagex to avoid confusion with
592 Microsoft's implementation of ImageX, which would have the same file
593 name ("imagex.exe"). If you really don't like this you can pass the
594 --with-imagex-progname option to `configure' to choose a different name,
595 or even simply rename the binary yourself (but the former way will
596 configure the man pages to use the chosen name).
598 Various bugs fixed in the Windows build. Mainly to do with capturing
599 and restoring alternate data streams correctly in weird cases, and
600 requesting the correct privileges when opening files. Also added the
601 --noacls options to wimlib-imagex capture, append, and apply.
603 Windows build again: FindFirstStreamW() and FindNextStreamW() are now
604 dynamically loaded, so this may make the library compatible with Windows
605 XP (however, there may still be other problems).
608 Added experimental support for native Windows builds. Binaries can be
609 downloaded from the SourceForge page.
611 --source-list option added to `imagex capture' and `imagex append'.
613 Better support for different character encodings.
616 Storing UNIX file owners, groups, and modes in WIM images is now
617 possible using `imagex capture' with the --unix-data flag.
619 Minor bug fixes and documentation fixes.
622 NTFS capture: Fixed capturing duplicate reparse points.
624 NTFS capture: Capture first unnamed stream if there are more than one
625 (print warning instead of error).
627 Allow multiple test cases to execute concurrently (e.g. make -j2 check).
630 Added --arch switch to mkwinpeimg script to support getting AMD64 WinPE
633 Update to work with ntfs-3g version 2013.1.13.
636 Fixed truncating file to shorter but non-zero length on read-write
639 Various code cleanups and minor documentation fixes.
642 LZX and XPRESS decompression have received some additional optimizations
643 and should now be even faster. (Although, they were already pretty
644 fast--- much faster than typical I/O speeds.)
646 Fixed a bug introduced in v1.2.1 that would cause a directory tree
647 containing hard links to be captured incorrectly in some cases.
650 By default, unmounting a read-write mounted WIM with 'imagex unmount
651 --commit' will now change the WIM in-place without needing to write the
652 entire WIM again. Use 'imagex unmount --commit --rebuild' to get the
655 'imagex unmount' no longer has a hard-coded limit of 10 minutes to wait
656 for a response from the daemon servicing the mounted WIM. Instead,
657 every second 'imagex unmount' will check if the daemon is still alive,
658 and keep waiting if so, otherwise terminate with an error.
660 'imagex unmount --commit' on a read-write mounted WIM will now print
661 progress information regarding the writing of new or modified streams
662 the WIM, just like when capturing or appending a WIM.
664 A small change has been made to XPRESS compression and it should improve
665 the compression ratio slightly.
667 A change was made that may improve performance slightly when applying a
668 WIM image to a NTFS volume.
670 Microsoft has managed to introduce even more bugs into their software,
671 and now the WIMs for Windows 8 have incorrect (too low) reference counts
672 for some streams. This is unsafe because such streams can be removed
673 when they are in actuality still referenced in the WIM (perhaps by a
674 different image). wimlib will now work around this problem by fixing
675 the stream reference counts. This is only done when wimlib_delete_image() is
676 called ('imagex delete') or when wimlib_mount_image() is called with
677 WIMLIB_MOUNT_FLAG_READWRITE ('imagex mountrw'). Please note that this
678 requires reading the metadata for all images in the WIM, so this will
679 make these operations noticably slower on WIMs with multiple images.
681 Various other bugfixes.
684 Appending images to a WIM is now be done by default without re-building
685 the whole WIM. Use the --rebuild flag to get the old behavior (which
686 was to re-build the entire WIM when a new image is appended).
688 A new command `imagex optimize' is now available to manually re-build a
689 WIM that has wasted space due to repeated appends.
691 Progress information has been improved, and now arbitrary callback
692 functions can be used to show the progress of a WIM operation.
694 A possible bug with changing the bootable image of a WIM was fixed.
696 Some advisory locking is now done to prevent two processes from
697 modifying a WIM at the same time (but only in some cases). For example,
698 you cannot mount two images from a WIM read-write at the same time.
700 Some functions have been reorganized:
701 * wimlib_mount() renamed to wimlib_mount_image().
702 * wimlib_unmount() renamed to wimlib_unmount_image().
703 * wimlib_overwrite_xml_and_header() removed as
704 wimlib_overwrite() suffices now.
705 * wimlib_apply_image_to_ntfs_volume() removed as
706 wimlib_extract_image() suffices now.
707 * wimlib_add_image_from_ntfs_volume() removed as
708 * wimlib_add_image() suffices now.
710 Previously, the soname of libwim.so has been 0.0.0, despite many
711 interface changes. The soname is now updated to 1.0.0 and will now be
712 updated each release.
715 Resources will now be compressed using multiple threads by default.
716 (This applies to `imagex capture', `imagex append', and `imagex
719 Some performance improvements in mounted WIMs.
721 More progress information is shown when capturing a WIM.
724 Lots of minor fixes, code cleanups, and some documentation updates.
725 Nothing in particular is really noteworthy.
728 LZX and XPRESS compression improvements.
730 Fixed calculation of Directory Count, File Count, Total Bytes, and Hard
731 Link Bytes of the WIM.
734 Fixed bug when capturing NTFS file with multiple named data streams.
736 Internally, we are now using inode structures, even though these don't
737 appear literally in the WIM file. This simplifies some of the code
738 (mainly for WIM mounting) and likely fixed a few problems, although it
742 Fixed problem when exporting images from XPRESS to LZX compressed WIM or
746 Enough changes to call it version 1.0.0!
748 Capturing a WIM directly from a NTFS volume, and applying a WIM directly
749 to a NTFS volume, is now supported.
751 Hard links and symbolic links have much improved support. They are
752 supported for WIM capture, WIM application, and mounted WIMs (you can
753 even make them on read-write mounted WIMs).
755 Alternate data streams are now supported on mounted WIMs through an
756 xattr or a Windows-style stream interface. Also they are supported when
757 capturing a WIM from NTFS or applying a WIM to NTFS.
759 Split WIMs are better supported. You may now apply an image directly
760 from a split WIM, mount an image from a split WIM read-only, or export
761 an image from a split WIM.
763 Using a capture configuration file is now supported (but not fully yet).
765 SHA1 message digests are checked in more places, so we can make sure
766 applied and captured data is correct.
768 Man pages have been updated and consolidated.
771 Fixed segfault when unmounting read-only WIM.
774 Support for joining and splitting WIMs.
775 Also, security data is now preserved by default.
778 Can now build with older gcc and system headers, like on CentOS 5.
781 Fixed bug that made it impossible to overwrite files in read-write
785 Write byte-order mark before WIM XML data. (imagex.exe requires this to