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4 "LL Cool J"
5 - Over 200 other bug fixes (go lockdown!)
6 - Every HDF setting is now available as INI
7 - Cut session_id() size by 1/2
8 - Added 'Z' format string for pack/unpack
9 - We now build on clang
10 - Fix pcre cache to not fatal when full
11 - Implement $php_errormsg
12 - Adding -n CLI option to hhvm php mode
13 - Fix substitution of invalid UTF8 sequences in htmlspecialchars
14 - FastCGI: Use SCRIPT_FILENAME as the PHP script to run
15 - Can create DateTimeZone's from abbreviations
16 - Put all fastcgi params into $_SERVER
17 - Many DOM classes are now serializable
18 - Define the xhp tokens
19 - Many reflection changes for perf and compatibility
20 - Default fastcgi to listen on 127.0.0.1
21 - remove register_cleanup_function
22 - Map: reserve()
23 - Set: retain(), reserve(), addAllKeysOf()
24 - {Set|ImmSet|Vector|ImmVector}::fromKeysOf()
26 "Kanye West"
27 - Backport fix for CVE-2011-2202
28 - Interfaces {Keyed}Container match arrays *and* collections, not iterables
29 - Added ** and **= operators to HHVM and more compatibility fixes with PHP5.6
30 - Fixes and improvements to collections
31 - Replace json decoder with json-c library
32 - Document VMRegAnchor and isVMFrame()
33 - Improvements to array iterator code
34 - Improvements to the type checker
35 - Allow parser to be generated with bison 3
36 - Improvements and speed up to reflection code
39 "Jay-Z" 9-May-2014
40 - Make handling of code.hot overflows more robust
41 - Catch server errors sooner
42 - Fix segfault and infinite recursion in fileinfo extension
43 - Resolve systemlib constants at compile time
44 - Resume resumables natively
45 - Import round() table optimizations from php-src
46 - Delete bytecode Peephole optimizer
47 - Remove most of annotation.cpp, and some other code gated on !UsedHHBBC
48 - Create phis for locals
49 - Fix free of "" in rfc1867PostHandler
50 - Add firstValue(), firstKey(), lastValue(), lastKey() to collections
51 - Add concat() to collections
52 - Clarify Hack license
53 - Add CakePHP3 to test runner
54 - Better error when TC is full
55 - Add hash_equals() from PHP 5.6
57 "Insane Poetry" 24-Apr-2014
58 - Support for PHP 5.6 variadic ...$args syntax for func declarations
59 - Open source HHMeasure, a simple and extensible microbenchmarking tool
60 - Added a new time-based sampling profiler (Project Xenon)
61 - Fix PCRE unicode handling
62 - Convert Zend compatibility layer and various extensions to HNI
63 - Encode execution mode (eager or resumed) into SrcKey
64 - Merge eager and resumed parts of async functions
65 - Rework various async / continuation bytecode instructions
67 "House of PHPain" 1-Apr-2014
68 - Allow direct arg passing with up to 15 params (7 if at least one is a double)
70 "Ghostface Killah" 17-Mar-2014
71 - Remove "HipHop" from error messages
72 - Add __IsFoldable user attribute for const-foldable functions
73 - Add __Native("NoFCallBuiltin") UA for builtins which need an actrec
74 - Add support for testing different outputs in repo mode
75 - Implement remaining functionality from intl extension
76 - Implement XSL extension
77 - Implement Stream Filters
78 - Improve php.ini support and get ready to kill HDF files
79 - Parse config files as ini files, unless filename contains '.hdf'
80 - Various fixes to Redis, JSON, SPL, DateTime, MySQLi, and others
81 - Remove C<T>Ref typedefs (use const T& now)
82 - JIT default on in command line mode
83 - gethostname() just returns what the syscall returns (Zend compat)
84 - HHBBC turned on in the build for facebook.com
86 "Fifty Cent" 3-Mar-2014
87 - Array parameter type constraints implicitly cast collections to arrays
88 - Fix issues with feof and fwrite
89 - Fix issues with sleep and inaccessible properties
90 - Dump a jemalloc pprod dump when a request hits OOM
91 - Make method_exists work with interface inheritance
92 - Fix crash in preg_replace with /e
93 - Support filename and content type in Curl uploads
94 - MySQLi fixes
95 - Handle relative paths in is_dir
96 - Add string conversion for array_fill_keys
97 - Implement various Imagick functionality
98 - Implement CUROPT_PROGRESSFUNCTION
99 - Implement PHP 5.6 __debugInfo() magic method
100 - Raise warnings when return type annotations mismatch
101 - Fix nested ArrayObject assignment
102 - Switch many ini settings to thread-time binding
103 - Clean up memory stat tracking
104 - Immutable collections are now prefixed with Imm instead of Fixed/Frozen
105 - Clean up type parameter for CheckType-related IR opcodes
106 - Remove legacy linear-scan register allocator and Eval.HHIRXls option
108 "Eminem" 18-Feb-2014
109 - reenabled jemalloc tcache flush for idle threads
110 - array_combine now performs __toString conversion on objects in $keys
111 - Allow streams in move_uploaded_file
112 - Fix a bug double closing a UserFile
113 - Warn when first arg to call_user_func is an object with no __invoke
114 - kill userland hdf functions
115 - Final method reports itself as final
116 - Implement IntlCalendar
117 - Disallow create_function in RepoAuthoritative mode
118 - Case-insensitive check for Accept-Encoding: gzip
120 "Donald Glover" 3-Feb-2014
121 - Support for "::class"
122 - Enable FCallBuiltin for HNI functions
123 - json_decode parity with PHP 5.4
124 - Fix race condition with profiling vs. non-profiling functions prologues
125 - Implement ini_get_all()
126 - Begin conversion of runtime options to INI
127 - Fix potential PGO-mode crash
128 - Fixes and enhancement in IR printing
129 - Vector and Set now supported by:
130 array_{shift,unshift,fill_keys,reverse,flip,size,chunk}, min, and max
131 - StableMap is now an alias for Map, which retains insertion order
132 - Map moved to HH namespace
133 - Fixes in XLS spilling of SIMD registers
134 - Support SCRIPT_FILENAME in FastCGI
135 - Implement stream_context_{get,set}_default
136 - Support for Intel VTune Amplifier XE
137 - Rewrite of SimpleXML
138 - Several HNI conversions, and a helper script
139 - Move Pair to HH namespace
140 - Fix get_included_files ordering
141 - Fix $_SERVER and $_ENV in FastCGI
142 - Update timelib to php 5.5.8
143 - Some dead code removal
145 "Coolio" 21-Jan-2014
146 - Turn on Region JIT
147 - FastCGI fixes, perf improvements
148 - ext_zend_compat fixes
149 - Turn on XLS Register Allocator by default
150 - Fix server stats reporting
151 - 'num' scalar typehint that accepts both ints and floats
152 - fix support for typedef'd namespaces
153 - don't swallow fatals when autoloading
154 - Map collections learned the in-place retain() and retainWithKey()
155 - rename Set::difference() to Set::removeAll()
156 - Update Set to retain element insertion order
157 - remove APC stats
158 - Fixes for ARM mode
159 - FrozenMap collection
160 - Deprecated Vector|Set|Map::put() method removed
161 - == between Frozen{Vector|Set|Map} and {Vector|Set|Map} now can return true
163 "Beastie Boys" 6-Jan-2014
164 - Support lex-time binary constants (eg. 0b10111)
165 - StreamWrappers now support rmdir, mkdir, rename and unlink
166 - Miscellaneous PHP5 compatibility fixes
167 - Default StatCache to off
168 - Miscellaneous FastCGI fixes
169 - Miscellaneous region compiler fixes
170 - Map and StableMap collections use the same underlying implementation
171 - Trait requirements enforced
172 - hhprof performance improvements
173 - Add array to string conversion notice
174 - Add RaiseNotice IR opcode
175 - Fix VirtualHost.<name>.Pattern matching
176 - Fix various memory leaks (pdo_parse_params, Gen*WaitHandle)
177 - Import a lot more Zend tests that used to crash or hang
178 - Clean up base.h
179 - XLS register allocation cleanup
180 - Enable region compiler by default for JIT functions in ahot
181 - Fatal on eval() in RepoAuthoritative mode
182 - Enable LTO for HHVM
183 - Fix a few SPL compatibility issues
185 "Appleseed" 23-Dec-2013
186 - Fix issues with DOCUMENT_ROOT in fastcgi
187 - Better type inference for collections and builtins in repo mode
188 - Shorter syntax for lambda expressions w/ automatic captures
189 - Parser support for trait require clauses
190 - Move FrozenVector and Set to the HH namespace
191 - Fix resource to array conversion
192 - Fix a request local memory leak in foreach of apc arrays
193 - Initial php_odbc API implementation
194 - Implement PHP's hash_copy() function
195 - Experimental tool: Memoization Opportunity Profiler
196 - Various small parity/behavior fixes (in phar, proc_open, filter_var)
197 - A Eval.DumpHhas=1 option to dump hhas for a php file
198 - Better warnings in Set::toArray
199 - Fix the behavior of foreach loops in finally blocks
200 - chmod -x runtime/vm/jit/*.{cpp,h}
201 - Changes to make hhvm build clean with clang-3.4
202 - Fix array_product to not be bug-compatible with PHP 5.2
203 - Change the Map datastructure---preserves order and does faster foreach
204 - FrozenSet collection
205 - Generate pid.map when we unmap text section, for the perf tool
206 - Implemented GlobIterator
207 - Implemented Reflection::export and Reflection::getModifierNames
209 "Tom Yum" 9-Dec-2013
210 - support date.timezone in ini files
211 - implement fileinfo
212 - special comparisons for DateTime
213 - delete unimplemented functions
214 - support for the finally clause in try blocks
216 "Huarache" 26-Nov-2013
217 - Linker re-ordering of hot functions
218 - Huge pages for hot functions
219 - Implement ZipArchive
220 - preg_replace /e support
221 - get_mem_usage() no longer can be negative
222 - Userland file system support
223 - Implement fileinfo extension
224 - wordwrap() fixes
225 - PDO::sqliteCreateFunction()
226 - Implement NumberFormatter
227 - Implement Locale
228 - Implement DatePeriod
229 - Many reflection fixes
230 - Stub out PharData
231 - A ton of performance fixes
232 - A ton of open source framework fixes
233 - FastCGI Server Support
235 "Garlic Alfredo" 11-Nov-2013
236 - teach implode() about collections
237 - fix ini parsing leak
238 - Make array not an instanceof Traversable
240 "Burrito" 28-Oct-2013
241 - Initial support for using FastCGI
242 - Initial support for php.ini configuration files
243 - Log when a nullable (e.g. ?int) is incorrect
244 - Add support for collections to array_diff, array_diff_key, array_intersect,
245 array_intersect_key
246 - tc-print improvements and fixes
247 - Several debugger fixes
248 - More improvements to the experimental PHP extension compat layer
249 - Fixed how parse errors are handled by eval()
250 - Support custom reason for status header
251 - Emit better error message when hhvm's systemlib doesn't load properly
252 - Fixes / clarifications added to the bytecode specification
253 - Lots of other bug fixes, clean up, PHP compat fixes, and JIT improvements
255 "Sausage" 14-Oct-2013
256 - Direct invocation of callable arrays: $f = [$cls_or_obj, 'method']; $f()
257 - ASAN clean
258 - Support dynamically loadable extensions
259 - Support loading mini-systemlibs from extensions
261 "Tabasco" 30-Sep-2013
262 - Fix issues with __toString() functions that return non-string values
263 - Don't allow mock classes to extend collection classes
264 - Smarter memory allocation and scheduling for NUMA systems
265 - Improve profiler performance in the jit
266 - Fix several Zend compatibility issues
267 - Fix several bugs uncovered by ASAN
268 - Add collection support to array_keys, array_values, and array_combine
269 - Return a set-like array from Set::toArray
270 - Add to(Vector|Map|StableMap|Set) methods to collections
271 - Collections convert to boolean false when empty
272 - get_class_vars invokes the autoloader when necessary
273 - Rework the Zend compatibility layer to be more robust
274 - Allow traits to implement interfaces
275 - Support arbitrary expressions inside empty()
277 "Bobotie" 16-Sep-2013
278 - HNI (HipHop Native Interface) for calling C++ functions from PHP
279 - Fix PropertyAccessorMap::isset
280 - Expose more POSIX constants
281 - Fixed behavior of stream_get_contents when default args are used.
282 - Implement str_getcsv, and fix some fgetcsv related issues.
283 - [IPv6] Fix stream_socket_recvfrom & stream_socket_sendto.
284 - [IPv6] Fix socket_sentto_recvfrom_ipv6_udp Zend compatibility.
285 - Optimize closure invocation and __invoke (~3x faster to invoke)
286 - Import gettext extension
287 - string and object allocation optimizations (reduced memory usage for both)
288 - Import YAML extension
289 - Import ftp extension
291 "Kimchi" 2-Sep-2013
292 - Fix order of custom attributes and visibility in ctor arg promotion
293 - Implement CachingIterator
294 - Implement RecursiveCachingIterator
295 - Generalized heuristic for choosing when to inline in the jit
296 - Introduced a Zend compatibility layer to compile extensions
297 - Imported calendar extension
298 - Use gcc-4.8.1 by default
299 - Improve hhvm command line parsing logic
300 - Fix register_shutdown in session_set_save_handler to match PHP 5.4
301 - Add "native" functions for use in Systemlib
302 - PHP extension source-compatitblility layer
303 - Fix ArrayIterator constructor PHP compatibility
304 - Enable building against libmemcached 1.0.8
305 - Debugger: $_ not cleared but still printed after exception
306 - Fix clone of SplPriorityQueue
307 - Debugger: Fix bugs when multiple threads hit the same breakpoint
308 - Fix several namespace bugs
309 - Several PHP compatibility fixes for ArrayObject and ArrayIterator
310 - Fix list assignment with collection literals
311 - support "tuple(...)" in initializer expressions
312 - HHVM should compile with libmemcached 1.0.9+
313 - Support "(new Vector {..})->method()" style syntax
314 - use trigger_error in PHP for Redis user errors
315 - multiple simplexml fixes
316 - fixed serialize/unserialize for SplObjectStorage
317 - Implement ReflectionParameter::IsCallable()
319 "Achiote" 19-Aug-2013
320 - Async stack traces in the debugger via the "wa" command
321 - Fix late static binding in static closures
322 - Fix breakpoints on generators
323 - Add SplObserver and SplSubject interfaces
324 - Update Iterable interface and add toArray() method
325 - Allow __get for undefined properties
326 - Implement get_included_files()
327 - Limit use of huge pages
329 "Churrasco" 05-Aug-2013
330 - Implement stream_is_local
331 - Implement read support for .phar
332 - Implement assert with string arguments
333 - Implement RecursiveArrayIterator
334 - Implement php_strip_whitespace()
335 - Support for timeouts in cli mode
336 - Closure allocation optimizations (~2x faster to allocate a closure)
337 - Implement Redis session handler
338 - New memory profiler, hhprof, with pprof compatible output
339 - Update isset($string[$k]) and empty($string[$k) to PHP 5.5 semantics
340 - Fixed a few parser bugs
341 - Fixed a few bugs with token_get_all()
342 - Fix (string)$obj semantics when __toString() is not defined
344 "Tamale" 22-Jul-2013
345 - Optimize vector-shaped Arrays (arrays with keys in range 0..size-1)
346 - Enable HHBC by default in debug builds
347 - Implement SplObjectStorage::getInfo()
348 - Initial rough draft of xhpast2, a replacement for xhpast
349 - fix compilation on Ubuntu 13.04
350 - OSX changes, next round
351 - Modify PHP's ext/standard/math/tests/(pow|abs).phpt to be HHVM friendly
352 - add XHP comment syntax based on http://www.w3.org/TR/REC-xml/#sec-comments
354 "Wasabi Peas" 08-Jul-2013
355 - always_assert when we run out of TC space
356 - Initial changes to get HHVM compiling on OSX
357 - Consolidate ObjectData and Instance
358 - Prototype heap tracing framework & Heap profiler
359 - Better JIT code generation for Mod and Div
360 - Fixes to enable compilation with clang
361 - Support for yield k => v
362 - Make HHVM's command line parsing closer to PHP
363 - Implement Redis extension
364 - Implement LimitIterator from SPL
365 - add SessionHandler from PHP 5.4
366 - Numerous Debugger fixes and new developer docs for Debugger
367 - Ported many extension tests to PHP