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- moved LZMA docs to the same location as in SDK distribution
Updated them to the actual version 18.05 as well
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HISTORY of the LZMA SDK
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-----------------------
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18.05 2018-04-30
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-------------------------
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- The speed for LZMA/LZMA2 compressing was increased
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by 8% for fastest/fast compression levels and
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by 3% for normal/maximum compression levels.
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- Previous versions of 7-Zip could work incorrectly in "Large memory pages" mode in
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Windows 10 because of some BUG with "Large Pages" in Windows 10.
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Now 7-Zip doesn't use "Large Pages" on Windows 10 up to revision 1709 (16299).
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- The BUG was fixed in Lzma2Enc.c
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Lzma2Enc_Encode2() function worked incorretly,
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if (inStream == NULL) and the number of block threads is more than 1.
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18.03 beta 2018-03-04
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-------------------------
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- Asm\x86\LzmaDecOpt.asm: new optimized LZMA decoder written in asm
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for x64 with about 30% higher speed than main version of LZMA decoder written in C.
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- The speed for single-thread LZMA/LZMA2 decoder written in C was increased by 3%.
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- 7-Zip now can use multi-threading for 7z/LZMA2 decoding,
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if there are multiple independent data chunks in LZMA2 stream.
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- 7-Zip now can use multi-threading for xz decoding,
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if there are multiple blocks in xz stream.
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18.01 2019-01-28
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-------------------------
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- The BUG in 17.01 - 18.00 beta was fixed:
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XzDec.c : random block unpacking and XzUnpacker_IsBlockFinished()
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didn't work correctly for xz archives without checksum (CRC).
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18.00 beta 2019-01-10
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-------------------------
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- The BUG in xz encoder was fixed:
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There was memory leak of 16 KB for each file compressed with
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xz compression method, if additional filter was used.
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17.01 beta 2017-08-28
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-------------------------
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- Minor speed optimization for LZMA2 (xz and 7z) multi-threading compression.
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7-Zip now uses additional memory buffers for multi-block LZMA2 compression.
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CPU utilization was slightly improved.
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- 7-zip now creates multi-block xz archives by default. Block size can be
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specified with -ms[Size]{m|g} switch.
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- xz decoder now can unpack random block from multi-block xz archives.
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- 7-Zip command line: @listfile now doesn't work after -- switch.
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Use -i@listfile before -- switch instead.
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- The BUGs were fixed:
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7-Zip 17.00 beta crashed for commands that write anti-item to 7z archive.
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17.00 beta 2017-04-29
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-------------------------
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- NewHandler.h / NewHandler.cpp:
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now it redefines operator new() only for old MSVC compilers (_MSC_VER < 1900).
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- C/7zTypes.h : the names of variables in interface structures were changed (vt).
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- Some bugs were fixed. 7-Zip could crash in some cases.
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- Some internal changes in code.
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16.04 2016-10-04
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-------------------------
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- The bug was fixed in DllSecur.c.
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16.03 2016-09-28
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-------------------------
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- SFX modules now use some protection against DLL preloading attack.
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- Some bugs in 7z code were fixed.
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16.02 2016-05-21
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-------------------------
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- The BUG in 16.00 - 16.01 was fixed:
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Split Handler (SplitHandler.cpp) returned incorrect
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total size value (kpidSize) for split archives.
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16.01 2016-05-19
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-------------------------
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- Some internal changes to reduce the number of compiler warnings.
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16.00 2016-05-10
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-------------------------
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- Some bugs were fixed.
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15.12 2015-11-19
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-------------------------
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- The BUG in C version of 7z decoder was fixed:
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@ -1,4 +1,4 @@
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LZMA SDK 15.13
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LZMA SDK 18.05
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--------------
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LZMA SDK provides the documentation, samples, header files,
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