该版本改进记录包括：
- General:
* make all commands provide brief description in help output (r1522518)
* flush stdout before exiting to avoid information being lost (r1543868)
- Major new features:
* membuffer: virtually perfect short-term cache efficiency (r1476664 et at)
* membuffer: quadruple the maximum cacheable directory size (r1545948 et al)
* resolve: improve interactive conflict resolution menus
* blame: allow -r M:N with M
* svn youngest: new remote version of svnlook youngest (issue #4299)
* new experimental filesystem fsx (faster, smaller)
* svnserve: cache config, authz and repos to lower resource usage and
be able to serve large numbers of connections with a limited number
of threads.
* fsfs: new format 7 with more efficient logical addressing (r1547045 et al)
- Minor new features and improvements:
* new 'diff-ignore-content-type' runtime configuration option.
* new option for 'svnadmin verify': --check-normalization.
* new option for 'svnadmin verify': --keep-going.
* svnadmin info: print info about a repository.
* print summary of conflicts before/after interactive conflict resolution.
* import: reduce number of connections to the server needed. (r1482962)
* membuffer: improved cache usage statistics (r1489883)
* mergeinfo: New '--log' option (r1492168)
* svnadmin upgrade: progress and cancellation support (r1495545, r1495566)
* cleanup: add '--remove-unversioned' and '--remove-ignore' (issue #3549)
* cleanup: add '--include-externals' option (issue #2325)
* cleanup: add '--quiet' option (r1498661)
* ra_serf: use better transition based XML processing (r1498000 et al)
* svnadmin load: speedup by setting revprops in one call (r1504079)
* svnadmin load: set svn:date revprop in the initial commit (r1504951)
* reimplement UTF-8 fuzzy conversion using utf8proc (r1511676)
* svnadmin verify: speed up for repos with large directories (r1520419)
* merge: interactive conflict merge option tries external tools (r1524145)
* log: support for displaying moves (r1525464 et al)
* minor speed up in string to time conversion (r1533387)
* list: remove some unnecessary work from implementation (r1533392)
* windows: speed up console output (r1533994)
* update: optimize wc db usage (r1537065 et al)
* decreased overhead for case-sensitive configuration access (r1538068)
* avoid re-opening repo for in-repo authz if already open (r1538120)
* only use revprop caching if supported efficiently (r1543593)
* svnserve: output errors in a more standard way (r1544250)
* faster parsing of config file comments (r1544716)
* avoid trying to open the hooks-env file when it doesn't exist (r1544721)
* svnserve: provide the same logging detail in "run once" mode as provided
in the log file (r1544731)
* svnserve: reduce connection latency (r1544732)
* wc: optimize SQLite queries against wc db (r154511)
* wc: reduce the number of locks and transactions required (r1545127 et al)
* cat: add '--ignore-keywords' option (r1547517)
* merge and mergeinfo: use fewer ra sessions (r1552265)
* fsfs: limit delta chains from crossing too many shards (r1554942)
* fsfs: option to configure compression level in deltas (r1559748)
* fsfs: enable dir and prop deltas and compressed revprops by default for
fsfs formats that support it (r1555286)
* fsfs: avoid out of date errors from files in a directory changing when
you change a property on the directory (r1558224)
* fsfs: temporary transaction properties are preserved when commit is
interrupted (r1549907 et al)
* fsfs: don't try to read revprops for a new transaction (r1544719)
* fsfs: avoid trying to open digest files that don't exist (r1544721)
* fsfs: Use sorted array instead of hash for directory representation
internally, this minimizes some overhead (r1554711)
* fsfs: skip decoding txdelta windows that are already cached (r1555284)
* fsfs: avoid constructing fulltext when delta we need is stored (r1555297)
* fsfs: improvements to format 6 reading/writing (r1517479)
* fsfs: reduce overhead of parsing noderev structures (r1544717)
* fsfs: speed up node relation comparison (r1554807)
* fsfs: speed up critical open_path() call (r1483301 et al)
* fsfs: speed up node verification (r1520421 et al)
* fsfs: speed up serialization into cache buffer format (r1505056)
* fsfs: checkpoint after each rev during hotcopy (r1560723)
* fsfs: avoid caching intermediate fulltexts (r1565100)
* fsfs: reduce lock contention on txn-list-lock (r1569549)
* svnadmin: don't display warnings as errors (r1556297)
* ra_serf: avoid caching properties in the update editor (r1557538)
* ra_serf: decrease latency of requests to get directory contents by
pipelining requests, speeds up 'svn ls --include externals' and
some cases of multi-url diff, including merge (r1557548)
* ra_serf: spool small update reports in memory to avoid making temp files
for small requests (r1557599)
* ra_serf: allow the reuse of serf connections after an error (r1553341)
* ra_serf: improve many error messages (r1551910 et al)
* ra_serf: pipeline lock/unlock requests (r1551918, r1551993, r1552008)
* ra_serf: pipeline requests for inherited properties against old servers
that don't support the faster REPORT (r1552455, r1552475)
* ra_serf: allow reuse of sessions after a timeout (r1557686)
* ra_serf: reduce memory usage when retrieving revision props (r1557689)
* svnrdump dump: reduce memory footprint (r1557736)
* mod_dav_svn: make out of date error message consistent with generic repos
logic (r1558247)
* wc: allow SQLite to optimize functions that are deterministic (r1559352)
* speed up delta calculations on non-deltifyable sections (r1559767)
* ra_serf: improve memory usage in commit processing (r1520028)
* report progress as cumulative across all sessions (issue #3260)
* ra_serf: don't send DAV headers with GET requests (r1517472)
* mod_dav_svn: SVNCacheTextDeltas defaults to on (r1517479)
* fs: improve scability of fs_open and similar functions (r1523450 et al)
* svnserve: improve performance and scability (r1523465 et al)
* svnadmin verify: output progress messages to stdout (r1471095)
* svnadmin crashtest: make output less misleading (r1486046)
* mod_dav_svn: discover copy to src earlier in some cases (r1537440)
* speed up mergeinfo parsing (r1483292, r1483309 et al)
* optimize hash lookups used throughout subversion (r1483434 et al)
* log: optimize string handling in repos layer (r1483570, r1483572)
* ask hardware to sync instead of only syncing to hardware buffers when
OS supports it (r1484439, r1484445)
* optimize diff code to avoid unneeded comparisons (r1485488)
* optimize check if relpaths are canonical (r1485496, r1489828)
* ra_svn: reduce protocol implementation overhead (r1485499, r1485504 et al)
* optimize file translation without keyword substitution (r1486058)
* optimize config file parsing by using unbuffered I/O (r1486897)
* patch: apply ignore settings when deciding to delete dirs (r1490378)
* use a cheaper ra operation for common client calculation (r1496468 et al)
* ra_svn: avoid unnecessary work when doing a blame (r1503046)
* optimize reading files into memory if size is known (r1505068)
* mod_authz_svn: log access denied messages as warnings (r1562417)
* copy: do not error on properties when doing a foreign copy (r1563361)
* membuffer: reduce memory usage by using shorter lived pools (r1564217)
* svnadmin load: add '--ignore-dates' option (r1564789)
* update: reduce sessions used with '--parents' option (r1565920)
* fix L1->L2 promotion/eviction heuristics for high hit counts (r1568599)
* diff: report properties on deleted nodes (r1569320, r1570055)
* diff: switch to diff processor APIs instead of old style callbacks, step
towards resolving long standing bugs and feature requests (r1569551 et al)
* diff: use the proper revision in headers for addition and deletion
of files (r1570053)
* svnadmin lslocks: add cancellation (r1571992)
* svn --version: list available authentication credential caches (r1572106)
* improved detection of changes between two nodes, this should reduce the
number of out of date errors clients see (r1572336)
* alow the use of libmagic to be configured via subversion configuration
file or SVN_CONFIG_OPTION_ENABLE_MAGIC_FILE env variable (r1572916)
* store human readable info about SSL certs in auth store (r1573625)
- Client-side bugfixes:
* export: fix problem exporting symlinks on windows (r1476093)
* fix no-ascii character handling of command line options (r1476461)
* convert log to UTF-8 before stripping data after EOF marker (r1476608)
* ra_serf: avoid dropping errors when making a lock request (r1489526)
* ra_serf: fix an error leak in update logic (r1499686)
* windows: fix issues with wcs in symlinked folders (r1501251)
* fix regression that broke parallel nested checkouts (issue #4390)
* svnmucc: ignore leading r in -r arguments (r1502636)
* mkdir: use absolute paths to avoid Windows path length limits (r1516816)
* avoid encoding support code when C runtime doesn't support it (r1530582)
* ra_svn: add check against dirents with path separators (r1533812)
* fix wc database inconsistency on certain move scenarios (issue #4437)
* fix commit of of mixed revision copy with non copy descendants that
shadow not present nodes (r1518942, 1536914, 1536931)
* properly delete temporary files when atomic write fails (r1537466)
* fix corner cases in move-update tree conflicts (r1538639 et al)
* fix crash report indentation for x64 reports (r1543589)
* status: fix output of multiple moves from same location (r1544690)
* mergeinfo: allow to work on a moved target (issue #4301)
* windows: avoid delay when no homedir is available (r1546814)
* status: report externals in a deterministic way (r1550200)
* verify requested cached credentials match realm requested (r1550691 et al)
* copy: avoid an unneeded extra ra session for wc to repo case (r1551564)
* ra_serf: show pre-revprop-change failure on revprop delete (issue #3086)
* svnsync: avoid extra request at end of every revision sync (r1553370)
* ra_serf: fix replace + propset of locked file failures (issue #3674)
* ra_serf: prevent overwriting directory during copy (issue #3314)
* commit: limit number of temporary files open at same time (issue #4172)
* ra_serf: verify incoming integers are really integers (r1557709 et al)
* wc: reorder two queries to avoid a statement re-prepare (r1558758)
* log: -g --xml doesn't differentiate between forward and reverse merges
(issue #4463)
* windows: improve update and checkout speed (issue #4450)
* log: reduce performance penalties of using -g (r1559912)
* blame: reduce performance penalties of using -g (r1560112)
* ra_local: set svn:txn-user-agent for consistency (r1498608)
* ra_svn: use the stream api properly for communications (r1562072)
* update: provide error when none of targets are wcs (r1565388)
* ra_serf: follow RFC 2818, ignore common name when subjectAltNames are
present (r1565531)
* wc: reduce dependence on unspecified SQLite behavior (r1567080 et al)
* delete/move: explicitly specify node to delete rather than querying
wc db multiple times to determine on the fly (r1567204 et al)
* diff: fix diff of directory failing without permissions to read ancester
directory on server (r1569265, 1569290)
* diff: improve resolving peg revisions (r1570205 et al)
* diff: fix bug in calculating header paths (r1570584)
* wc: prevent duplicated rows in sqlite_stat1 table (r1571214)
* commit: fix assertion from commit of deep descendant of deleted node
(r1571747, r1571787, r1571795)
* upgrade: fix error upgrading wc with externals when exclusive locking is
enabled (1572200)
* ra_serf: add SSL certificate issuers common name to output (r1573728)
- Server-side bugfixes:
* svnserve: don't ignore socket initialization errors (r1544253)
* svnserve: don't hide fatal errors in inetd and tunnel modes (r1544256)
* fsfs: log repo path in local style for cache init failure (r1494314)
* fsfs: fix potential transaction corruption (r1519624)
* svnserve: fix logging in multi-threaded servers (r1523502)
* fsfs: don't report out of date errors due to FS corruption (r1527084)
* svnadmin verify: detect inconsistencies that prevent loading (r1536854)
* mod_dav_svn: use 404 status for errors caused by invalid URIs (r1542063)
* mod_dav_svn: use 404 when the repository doesn't exist (r1544259)
* mod_dav_svn: use 'dav_svn:' prefix for filename instead of 'svn:'
(r1544711)
* mod_dav_svn: blacklist building with broken versions of httpd; 2.2.25,
2.4.5 and 2.4.6 (r1545835)
* mod_dav_svn: XML escape lock tokens (r1547427)
* hotcopy: don't create config files when copying pre-1.5 repos (r1547454)
* hotcopy: preserve the rep-cache.db permissions when hotcopying (r1547877)
* mod_dav_svn: fix SVNCacheTextDeltas and SVNAdvertisV2Protocol directive
merging (r1548124)
* mod_dav_svn: always produce an error text even when text specifies
the default message to make diagnosing issues easier (r1553441)
* mod_dav_svn: fix some pool lifetime issues with err messages (r1553868)
* mod_dav_svn: avoid setting option headers multiple times (r1557103)
* fsfs: prevent some commits that could cause future corruption (r1560673)
* fsfs: fix a problem verifying pre-1.4 repos used with 1.8 (r1561419)
* fsfs: don't write uniquifiers for old repo formats (r1561426)
* fsfs: fix hotcopy for pre-1.4 repositories (r1561427)
* fix 64-bit underflows in update hit counters (r1567996 et al)
* svnserve: fix potential integer overflow in Cyrus SASL support (r1570434)
* svnserve: fix memcached caching causes segfault (issue #4470)
* bdb: fix potential integer overflow and underflow (r1570701)
* bdb: prevent silent propogation of some corruption (r1570778)
- Client-side and server-side bugfixes:
* use less memory when retrieving extension from filename (r1548480)
* use more optimal code path with old txdelta v1 data (r1485480)
* windows: allow opening SQLite databases on long paths (r1564338)
* fix an out-of-bounds read in the delta combiner (r1569415)
- Other tool improvements and bugfixes:
* windows: add build-svn-deps-win.pl tool to build dependencies (r1467715)
* svnpubsub: add support for revprop changes (r1486463)
* svnpubsub: do not pass svn commands through shell (r148466, r1486467)
* svnpubsub: hooks exit with an error if they fail (r1486500, r1486597)
* svnpubsub: hooks use "--" to signal end of arguments (r1486513)
* mailer: Properly encode mail headers per RFC2047 (r1487532)
* svnwcsub: add a pre-update hook, which can deny update (r1494542 et al)
* fsfs-stats: count file nodes that are added without history (r1519283)
* fsfs-access-map: count empty reads and unnecessary seeks (r1523441)
* fsfs-access-map: generate scaled/rectangular heatmaps (r1505065)
* fsfs-access-map: deal with strace format issues (r1505065)
* fsfs-access-map: update to know about index files (r1505065)
* svn-bench: add null-info command (r1532196)
* svn-bench: add --auto-moves to null-log (r1532200)
* svnlook.py: made usable as a library by adding getter methods (r1541558)
* svn-bench, svnraisetreeconflict, svnauthz, svn-rep-sharing-stats: More
consistent error reporting, following pattern of core command-line
programs (r1544194)
* bash_completion: support for youngest command (r1546975)
* which-error.py: allow which-error.py to be run from symlink (r1547977)
* bash-completion: add svnlook filesize command and options to svn cat,
info, and mergeinfo commands (r1569021)
Developer-visible changes:
- General:
* include symbolic names for error codes in maintainer mode (r1467643)
* include symbolic names for warning codes in maintainer mode (r1469855)
* support YouCompleteMe vim plugin (r1476374 et al)
* reduce getenv() call overhead in maintainer mode (r1476554)
* allow tests to be run with exclusive wc locks (r1496475)
* fix check for Microsoft C/C++ compiler (r1503148)
* improve windows build to use pre-built dependencies
* optimize ramdrive usage in the windows test runner (r1504511)
* SVN_CMDLINE_DISABLE_CRASH_HANDLER env var added for Windows (r1506507)
* stop including some headers in win32 resource compile (r1532287)
* support Visual Studio 2013 with --vsnet-version=2013 (r1533907)
* avoid needing APR source when building on Windows (r1534037, et al)
* don't compile SQLite amalgamation twice (r1536364)
* make C tests use same temp path as Python tests (r1536700)
* davautocheck: access log logs the r->filename now (r1538048)
* added test to detect duplicate SQL queries (r1538962)
* in the windows test runner copy additional apr dlls (r1539300)
* support for debug logging that should be available in serf 1.4.0 (r1541561)
* fix build on OS X when Gnome is installed (r1541698)
* properly detect if expat is libexpat.lib or xml.lib on windows (r1541981)
* doc-clean target works properly with separate build dir (r1542303)
* don't break entire test run if cleaning temp directory failed but return
an error anyway (r1542817)
* windows tests: find java.exe via the sdk if not found via PATH (r1543876)
* fix davautocheck with httpd 2.3.x+ and worker/prefork MPMs (r1544302-3)
* add parallel mode for C tests (r1545334 et al)
* use --bin path for svnrdump when running Python tests (r1548706)
* remove unused --with-openssl option from configure (r1548714)
* tests: stop rewriting shared authz file for every sandbox (r1552064 et al)
* get-deps.sh: Use a stable URL for zlib download (r1552957 et al)
* fix unnecessary aborts in maintainer mode on sqlite errors (r1536325)
* new --sqlite-logging option for C tests (r1560409)
* allow building with APR-2 (r1560586)
* remove support for ASM Zlib from Windows build system (r1560864)
* gen-make.py: new -D option (r1567046)
* svn-populate-node-origins-index: fix build with Visual Studio
(r1568180 et al)
* improve how we fetch the version of Windows (r1568798, 1568806)
* move common code in python tests to library files to avoid side effects of
having tests depending on each other (r1570654)
* disable compiling on platforms where int is shorter than 32-bits and add
the SVN_ALLOW_SHORT_INTS compile definition to override (r1570882)
* disable building *.sbr files with Visual C++ 2010 or later (r1571020)
* require serf 1.3.4 (r1572261)
* require APR and APR-Util 1.3.x (r1572261)
* add mod_dontdothat to davautocheck.sh (r1572312)
* require Apache httpd 2.2.x (r1572339)
* support pkg-config for serf when using a prefix (r1572762)
* don't depend on stdbool.h and inttypes.h for utf8proc (r1573069 et al)
* correctly disable some compiler flags at configure time if they aren't
available with the selected compiler (r1573106, r1573209)
* avoid non-portable find extensions so the build works on Solaris (r1573780)
* Allow PARALLEL value to specify the number of threads to run tests with,
PARALLEL=1 means to use the default (r1573320)
- API changes:
* New RA callbacks for managing ra_svn tunnels:
svn_ra_callbacks2_t::check_tunnel_func,
svn_ra_callbacks2_t::open_tunnel_func and
svn_ra_callbacks2_t::close_tunnel_func.
* New api for retrieving info about a file system: svn_fs_info()
* New api svn_io_file_flush() that wraps apr_file_flush().
* New api svn_io_write_atomic(), that writes, sync and renames a file.
* New api svn_compat_log_revprops_out_string().
* Deprecate unused datatype svn_ra_get_latest_revnum_func_t.
* New struct svn_wc_conflict_description3_t (r1494990)
* New api svn_client_cleanup2() (r1496954 et al)
* New api svn_stringbuf_create_wrap() (r1502248)
* New api svn_io_file_aligned_seek() (r1502539)
* ra_svn: fix svn_ra_get_log*() to apply limit when server can't (r1503043)
* svn_client_commit6: notify which path prevents a mv commit (r1503662)
* New apis svn_io_file_create_empty() and svn_io_file_create_binary()
(r1505006)
* New api svn_ver_check_list2() (r1502267)
* New experimental api svn_fs_move() to support moves in backend (r1525442)
* svn_fs_paths_changed() gains support for moves (r1525448)
* New api svn_repos_get_logs5() adds support for moves (r1525453)
* New api svn_ra_get_log3() adds support for moves (r1525460)
* New api svn_client_log6() adds support for moves (r1525463)
* New api svn_stringbuf_from_stream() (r1532193)
* svn_auth_get_platform_specific_client_providers() now includes ssl
providers (r1534153)
* dav_svn_split_uri() repos_path is a fspath with a leading slash (r1537812)
* New api svn_repos_fs_type() returns filesystem type (r1538585)
* svn_client__get_inheritable_props() clears wcroot_iprops when revision is
not valid (r1538602)
* SVN_VA_NULL: New macro which is null-pointer constant (r1536307)
* SVN_NEEDS_SENTINEL_NULL: New macro to mark functions that require final
NULL sentinel value, so compilers can warn when missing. (r1543394)
* platform specific svn_auth_get_* functions are deprecated, use the
svn_auth_get_platform_specific_provider() function instead (r1543992)
* SVN_INT_ERR macro is deprecated use svn_handle_error2() or
svn_cmdline_handle_exit_error() instead (r1544142)
* New api svn_client_cat3() allow disabling keyword expansion and retrieving
props. (r1544182)
* svn_auth_first_credentials(): provides an error rather than crashing if
auth_baton is NULL (r1544320)
* svn_auth_set_parameter(): Do nothing if auth_baton is NULL (r1544320)
* New api svn_relpath_limit which returns a relpath with a maximum number
of path components (r1545123)
* svn_fs_initialize() is now threadsafe (r1546409)
* svn_checksum_kind_t has two new FNV-1a checksums (r1546699)
* svn_fs_lock: control characters are not allowed in lock tokens (r1547445)
* New api svn_wc_cleanup4() makes some functionality optional and adds
notifications (r1548075 et al)
* New api svn_client_info4() supports walking externals (r1550206 et al)
* New flag for svn_fs_begin_txn2() SVN_FS_TXN_CLIENT_DATE to allow client
to set the final svn:date (r1550228)
* New apis for easier RA commits svn_client_mtcc_* (r1550758 et al)
* New api svn_ra_session_dup() (r1552324 et al)
* svn_ra_stat() now handles compatibility with 1.0-1.1 svnserve (r1552441)
* New error code SVN_ERR_COMPOSED_ERROR added to allow detection of
composed errors by API consumers (r1553266)
* New error code SVN_ERR_RA_DAV_PRECONDITION_FAILED (r1553668)
* New error code SVN_ERR_RA_CANNOT_CREATE_SESSION (r1554027)
* New api svn_fs_node_relation() (r1554800)
* SVN_EXPERIMENTAL to mark functions that might change in future (r1526012)
* fix bug in svn_client_get_merging_summary() with some params (r1532396)
* New error code SVN_ERR_XML_UNEXPECTED_ELEMENT (r1498938)
* Extend stream API to also support incomplete reads (r1561688 et al)
* New api svn_wc_add_from_disk3() (r1563361)
* New api svn_client_revert3() to allow clearing changelists (r1568635)
* svn_rangelist_inheritable2(): don't change inheritabilty of remaining
ranges (r1569731)
* svn_rangelist_inheritable2() and svn_mergeinfo_inheritable2(): fix a
pool lifetime issue (r1569764)
* New apis to support cancelation during unified diff output (r1570149)
* APIs related to retrieving logs are now documented to be unlimited when
a negative value is passed for the limit (r1570330, 1570335)
* New apis: svn_fs_props_different() and svn_fs_contents_different()
(r1572363, r1573111)
* Expose SVN_CONFIG_AUTHN_* macros in public API (r1572640)
- Bindings:
* javahl: add support for the RA layer (r1494650 et al)
* javahl: add ignore-keywords knob to ISVNCLient.doExport (r1494936)
* javahl: improve performance of rev_range_vector_to_apr_array (r1496243)
* javahl: provide whole stack of errors from native exceptions (r1496353)
* javahl: new framework for manipulating in-memory config data (r1497746)
* javahl: add methods to set config change handler callback (r1497753)
* javahl: add inheritance info to JavaHL's RevisionRange type (r1499308)
* swig-rb: fixes to building on Windows (1505406 et al)
* libsvn_swig_*libraries now work as proper shared librares (r1506520 et al)
* swig-py: import libsvn_subr pub symbols from svn.core * (r1507860)
* javahl: expose the svn_rangelist operations (r1509025)
* javahl: new utility class SVNUtil (r1512354)
* javahl: serialize init of native library (r1519803)
* javahl: fix value truncation checks (r1519913)
* javahl: Add ISVNClient.info2 which exposes svn_client_info3 (r1527844)
* javahl: include name of exception class in error messages (r1532117)
* javahl: simplify JNI environment handling (r1533804)
* javahl: Revsion.UNSPECIFIED added as alias to Revision.START (r1533928)
* javahl: do not require JUnit to build javahl; only to test (r1535603)
* javahl: update Action enum with new entries added in 1.9 (r1536319)
* javahl: expose node property validation utility (r1538133)
* javahl: new style JNI wrapper (r1539114 et al)
* javahl: new utility API to parse/unparse svn:externals (r1539130 et al)
* javahl: allow tests to be run from a RAM disk (r1539215 et al)
* javahl: expose and use the url member of svn_wc_notify_t (r1539601)
* javahl: expose a utility api to resolve relative externals (r1540921)
* javahl: new utility API for file content translation (r1542401)
* javahl: throw NullPointerException when sources is empty (r1543328)
* swig-pl: fix compilation against perl 5.18 on Windows (r1543980)
* javahl: implement streamed file contents translation (r1543985)
* javahl: enable warnings with javac (r1544163, r1544169)
* javahl: cleanup warnings (r1544578 et al)
* javahl: add common utilities for new-style map iterations (r1545925)
* javahl: add an api to get runtime version of native libs (r1545945)
* javahl: use default cache size instead of no cache (r1547248)
* swig-py: add typemap for hunks field of svn_patch_t (r1548379)
* javahl: don't ignore difference between NULL and empty changelist in
ISVNClient.getChangelists (r1553254)
* swig-pl: fix pool issues with setting dates as revisions (r1553822)
* swig-pl: make svn_auth_set_parameter() usable (r1553823)
* javahl: expose inheritiable property names (r1560338)
* javahl: fix bug in parsing single revision merginfo data (r1563140)
* javahl: create JVM crashlogs from svn malfunctions (r1563927, r1564252)
* javahl: avoid problems when building without NLS support (r1566578 et al)
* javahl: expose --alow-mixed-revisions merge option (r1567602)
* javahl: support incomplete reads from streams (r1569631)
* javahl: allow revert API to take a set of paths (r1571461)
下载地址：http://mirrors.hust.edu.cn/apache/subversion/subversion-1.9.0-alpha2.tar.bz2
来自:开源中国社区