2 - Fix comparison of overflowing strings
3 - Fix potential memory corruption during ArrayData::set
4 - Introduce util to restart current process
5 - Share variable environment in eval'd assert
6 - [Find] Only escape spaces in paths for find
7 - Don't ignore Eval.JitAHotSize
8 - Fix checkCfg's defined-tmp checks to be aware of edge-defined tmps
9 - Fix bugs relating to edges in IRInstruction::become
10 - Fix insertPhis calls to IRUnit::replace()
11 - Use sha1sum for the repo-schema
12 - [hh] typechecker: add constants to hh_client --show
13 - [hack] Dump typedef info in `hh_client --show`
14 - Make BigNode parsable, extend HeapIter to visit BigNodes.
15 - Allow static invocation of DOMDocument::load* methods
16 - Allow "array" with type args to be used in XHP attribute declarations
17 - HTMLEncode strings in wddx_serialize_value()
18 - [hack] Make dependency on lz4 optional for OSS build.
19 - [hack] Have hh_server take the list of files to recheck as relative paths
20 - [hack] Docblock parser for AT
21 - Add version number to imagick extension
22 - Support Authorization header in apache_request_headers()
23 - [hack][build] Add needs_rerun hook for XController build step
24 - Fix call to fetchObject without class name
25 - Add possibility to create a DateTime object with timezone
26 - DateTimeImmutable::createFromFormat returns false on failure
27 - [hh] typechecker add PREG_* constants to hhi
28 - Raise warning when put_contents on non-regular file with exclusive lock.
29 - Use uncounted strings to cache non-static regexes
30 - Use specializeExact whenever we know AttrNoOverride from whole program analysis
31 - Fix some not-type-safe LdRef code generated in a situation with SetOpL
32 - Split inner ref type checks into a separate instruction from LdRef
33 - Add support for stream wrapper in include_path.
34 - cmake option to enable avx2 instruction support
35 - Add missing default to PharData::decompress()
36 - [hack] Add lz4 compression when saving server state.
37 - Fix leak in tvCoerce*
38 - Trie Search - optimizations for JS
39 - Don't throw an exception on unknown IP address for OSS
40 - [hh] parity: match php 5.6 in treatment of array_fill with num = 0
41 - Make ob_start function signature PHP 5.6 compatible
42 - Fix issues with private properties and apc
43 - Implement remaining straightforward vasm ops in llvm backend
44 - [hack] Type strlen's return value.
45 - [hack] add additional iterator interfaces
46 - Improve segaddr fixing for 32-bit destructors
47 - Fix parent::__cOnStRuCt and similar with PHP4 constructors
48 - Make stats.json on the admin server return valid json
49 - [hack] Simplify coverage JSON output, and add non-JSON output option.
50 - Remove kernel version assertions
51 - [hack] Fix bad escaping of directory names
52 - [hack] Add some hhi constants for pcntl.
53 - Fix problems in getCurrentPropertyOffset relating to m_ni.inputs
54 - Fix CSE to be aware of where SSATmps are known to be defined
55 - Add an analysis module for functions that query information about the IR
56 - Don't JIT functions that use $php_errormsg or $http_response_code
57 - Fix default SOAP HTTP client
58 - [hack] Member access is `->` followed by lvar, not word
59 - Fix comparison between doubles and hex numeric strings
60 - Implement a bunch more vasm instructions in llvm backend
61 - Enable ASAN for smart allocator
62 - Record the start time for every request
63 - Fix parsing of binary literals denoted with a capital '0B'
64 - Fix Symfony's it's not safe to rely on system timezone setting errors
65 - Allow non-static expressions in function parameter defaults
66 - Fix a bug in Index::lookup_constraint
67 - [hack] Add logging to server_options_cmd.
68 - Fix optional 'errorcode' parameter is not set up properly
69 - Fix PHP primitive default parameter type check
70 - Weaken assert in FileUtil::canonicalize
71 - [hack] Error when using "shape" as a type
72 - Fix getOldestStartTime
73 - Add zlib.output_compression ini option
74 - Add missing argument to DOMXPath::{query,execute}()
75 - htmlentities() should output valid ISO-8859-1 characeters to appropriate entities
76 - Remove bad assert from BaseVector::data()
77 - Cleanup sock and pid files on graceful exit from FastCGI
78 - [hack] Add script for determining server startup options
79 - [hack] Record init time in log output.
80 - Fix some bugs in intersecting specialized types
81 - [hack] Fix duplicate unbound name errors
82 - Update OCaml to 4.02.1
83 - [hhvm] Add per kind ArrayFunc counters for ArrayTracer
84 - Fix use-after-free in the access logs
85 - Wait for clean shutdown on SIGHUP
86 - [hhi] add at() to MysqlRow in hhi file
87 - [memoize] Go back to individual cache props for statics
88 - Break regions after FCall & friends when using LLVM
89 - Remove support for magic quotes (also removed in PHP 5.4)
90 - qlzcompress is not available everywhere, and there's no support for it in OSS
91 - Change the Profiler constructor to not necessarily force CPU affinity.
92 - Add getTypeText to ReflectionParameter
93 - Remove trailing junk from IP addresses for sockets
94 - Preserve index of sockets passed into/out-of socket_select()
95 - Fix lchown when no user found
96 - [hh] typechecker: split function bodies into named and unnamed
97 - [hack] fix error with capturing locals for a foreach using a ref
98 - guess root from supplied filename, where that makes sense
99 - Show a nice error when an invalid argument is passed to hphp -t
100 - Expose Imagick::getImageMimeType to userland
101 - SplFixedArray::FromArray() throws InvalidArgumentException not Exception
102 - Make default_socket_timeout match PHP 5.x
103 - VerifyRetTypeC optimizations for repo-mode
104 - Turn off refcount opts by default when HHIRBytecodeControlFlow is on
105 - Make profiled packed array gets not rejoin the main line
106 - Side exit on surprise flags for backward jumps
107 - Print edges with colors in IR dot graphs; make dotBodies usable
108 - Fix region-method support for loops
109 - Correct the return type of BaseG; fix some missing renames of Mem -> Memb
110 - Adopt PHP7's looser handling of return values in user session handler
111 - Honor the Redis timeout
112 - Fix mysqli_options. Stop asserting.
113 - Fix some bugs in hhbbc support for http_response_code, php_errormsg
114 - Introduce immediately executed async lambdas
115 - Allow nested namespaces with sane behavior
116 - Updated win32-cygwin patch Fixes Issue #4062
117 - [hh] typechecker: ReflectionClass hhi fixup
118 - [hack] Add hh_server --version
119 - Fix a few memory management issues in DOMDocument
120 - Prevent m_nextKI from going negative in MixedArray
121 - [hh] typechecker: declaration location in extend_final error
122 - [hack] Enable .hhconfig to control hh_server flags
123 - Respect status codes from `Status:` header in addition to `HTTP/` header
124 - Fix number_format() to deal with very large precisions/very large numbers
125 - Fix closure use var reflection for referenced vars
126 - Support self parameter typehint
127 - [h2tp] modify build to support h2tp
128 - [hh] hh_format: understand async lambdas
131 - Fix readline request locals
132 - Don't leak HashContexts
133 - Fix a race freeing an APCHandle
134 - Don't clean up memory in AdminRequestHandler::abortRequest
135 - Fix setup/teardown for requests handled by WarmupRequestHandler
136 - Extend IR type system for more information about pointers
137 - Use proxygen as a git submodule
138 - Version of memcpy-x64 optimized for the tail end of 7,6,5,4 bytes in an N byte copy
139 - Eliminate default cases in DataType switches
140 - Match PHP5 backquote processing
141 - Add overflow info to is_numeric_string
142 - Add support for pre-built branches to benchy
143 - Allow calling closures inline
144 - Allow systemlib function declarations to use reserved words for function names
145 - Add HH\{int,float,bool} typehints to PHP
146 - Deep initialization for constant properties
147 - Enforce void return on native class constructors/destructors
148 - Replace NEWOBJ with newobj<T> and newres<T> functions
149 - Change default FCGI socket permissions
150 - Support openssl replacements which don't export RANG_egd()
151 - Fix use-after-free in TimeZone
152 - Support GCC/LLVM stack-smashing protection
153 - Make sure Type::Bottom is a subtype of everything
154 - Fix hphpd crash when printing systemlib classes
155 - Convert file extension to HNI
156 - Convert DOMDocument extension to HNI
157 - Convert POSIX extension to HNI
158 - Convert array_multisort to HNI
159 - Add fribidi extension for HHVM
160 - Mechanism for enabling request-local heap profiling
161 - Make prediction opts deal with arbitrary load/check instructions
162 - Add JSON output support to benchy
163 - HHIR pass to do dead store elimination on frame locals
164 - Adjust single parameter warnings for min()/max()
165 - Make AlwaysLogUnhandledExceptions=off and CallUserHandlerOnFatals=EnableHipHopSyntax
166 - Always use RuntimeOption::SourceRoot to resolve repo-auth lookups
167 - Refactor debugger tests
168 - Fix parser to allow "type" and "newtype" to be used as typevars
169 - Convert system/idl/function to HNI
170 - Remove type annotations for array_sum and array_product
171 - Don't populate the litstr-to-id map in RepoAuthoritative mode
172 - Move m_lineTable to a side table
173 - Only try to autoload classes with valid names
174 - Proper PDO connection errors
175 - Move hfsort linker script tool to OSS
176 - Move slow 'quick' tests to 'slow'
177 - Add option to make inconv actually match the docs
178 - Convert socket extension to HNI
179 - Convert stream extension to HNI
180 - Fix UserFile::access behavior to match PHP5
181 - Fix for wrong PATH_INFO and PATH_TRANSLATED (maybe)
182 - Move generated .h and .cpp to unique dir
183 - Fix for phat:// stream wrapper with no stub
184 - JSON encode closures as empty objects for PHP compat
185 - Disable parameter typehints for builtins to match PHP5
186 - Convert PDO extension to HNI
187 - Fix assert related to async return typehints
188 - Allow collections in array_sum() and array_product()
189 - Use the time in default xdebug output file
190 - Allow vxls to allocate vmsp during traces
191 - Only initialize sweepables on new threads
192 - Load Offset->line number mappings on demand
193 - Fix SOAP memory leak
194 - Add OSS support for benchy
196 "Will.i.am" 13-Nov-2014
197 - Add benchy.py for benchmarking HHVM
198 - Tune and enable PGO for all functions
199 - Generate HHIR opcode table by extracting lines from ir.specification
200 - Convert a few more extensions to HNI
201 - Limit the maximum number of bytecode instructions in a region
202 - Improvements to <<__Memoize>>
204 "Vanilla Ice" 27-Oct-2014
206 - An async method's return annotation (if there is one) must be "Awaitable"
207 - Fix a bug in how __Memoize sets up FPI regions
208 - Fix issues with shutdown/postsend functions
209 - Fix is_callable for interface and abstract methods
210 - Added support for ReflectionFunction::getClosureThis()
211 - Add option to run perf to hhvm_wrapper
212 - Use a global cache for timezone info
213 - Implement readline_info()
214 - Fix NumberFormatter::format for string values
215 - Corrected socket connect for IPv6 hosts
216 - [hack] Fix parsing of postfix operators.
217 - Region selector improvements
218 - Disallow <<__Memoize>> on interfaces
220 - Align recoverable fatal error's message with PHP
221 - [hack] Make hhi for some builtin constants.
222 - HHBBC improvements (enums, etc.)
223 - Properly shutdown debugger threads on exit
224 - [hack] support for 'abstract final' classes
225 - Convert string to HNI
226 - Fix SOAP extension type encoding
227 - make test runner not puke when run with xargs
228 - [hack] reflection support for first-class enums
229 - Make `yield;` a valid statement
231 "Ultramagnetic" 9-Oct-2014
233 - Closure::bind support
234 - Cleanup/shrink various runtime data structures
235 - Various jit performance optimizations
236 - Fix various debugger crashes
237 - Better handling of memory limits
238 - Hack: System user attributes will be prefixed with __, notably <<Override>> renamed to <<__Override>>
239 - Hack: Support for 'abstract final' non-instantiable non-inheritable "utility" classes
242 - Use vasm virtual registers in x64 backend, transition fully to vasm-xls
243 - 'arraykey' scalar typehint that accepts both ints and strings
244 - Add OSS benchmarking suite
245 - Fix PDO::bindColumn
246 - [resumable] Set resumed flag before suspending VarEnv
247 - Objprof for HHVM (Approx. instance counter)
248 - Make RUSAGE_THREAD available to getrusage PHP function
249 - clean up /tmp/test-run- files
250 - VASM register-coalescing via hinting
251 - Be more conservative about HNI types when there are InterceptableFunctions
252 - Add runtime support for null-safe method call operator "?->"
253 - Add sanity test system to OSS benchmarker
254 - Fix double deallocation of object in zend conversion of object to string
255 - [hhvm|memoize] Makes <<__Memoize>> work with arbitrary args
256 - Use raw troff encoding for official HHVM man page
257 - Add --php options to HHVM man page
258 - Fix GMP tests/crashes
259 - Implement posix_errno
260 - Xdebug remote debugging compatibility and bug fixes
261 - Add options parameter to DOMDocument::load/loadHTML()
262 - Add support for GNU tar symlinks to PharData
263 - Add max_file_uploads support
264 - Improve process error checking in perf runner
265 - posix_getgrgid()['members'] should be empty array if no users found
266 - Convert from jemalloc's obsolete *allocm() to *allocx()
267 - Use EqX instead of Eq for Obj/Num comparisons.
268 - make class closure consist with PHP
269 - Fix guard relaxation to work with bytecode control flow
270 - Allow vm-stack flushing in rpc threads
271 - stop killing LightProcesses while writing out stacktrace.log
272 - Get hhvm compiling with clang-3.5
273 - Update .hhi files for ConstSet, Set, and ImmSet
274 - Force the linker to keep symbols in lowmem on MacOSX
275 - Make guard relaxation work with unreachable code
276 - Add minimal hdf support to test runner
277 - Analyze/optimize pseudomains in hhbbc
278 - [hhvm|memoize] Fix segfault on certain memoized functions
279 - Support mappy ini configuration
280 - Xdebug cleanup and trivial features
281 - Abort the server if a request gets stuck
282 - Added support for Closure::bind()
284 "Snoop Dogg" 11-Sep-2014
285 - VASM phase 1: emit vasm instructions, with existing register allocation
286 - More xdebug support
287 - [hack] Implement async lambdas.
288 - add process memory and code segment size to admin memory page
289 - Overhauled xdebug remote debugging testing
290 - Add a mechanism for building and testing a zend extension as a DSO.
291 - Support fast object allocation path when Eval.EnableObjDestruct call is on
292 - Static string table memory usage
293 - Implement parallel repo preloading.
294 - Add mcrypt constants to hhi
295 - Move var_dump() to HNI, kill off variable.idl.json
296 - JIT: Use std, boost, and folly instead of smart containers.
297 - Hack: Support for variance (+/-) annotations on type-parameters
298 - Implement APCIterator
299 - Convert v?s?printf() to HNI using Variadics
300 - Enable variadics for HNI functions/methods
301 - Smooth a wrinkle in HHVM's safesort impl
302 - Make Set implement KeyedIterable and support bracket syntax for reading
306 - Make MemExceeded flag sticky
307 - Check for OOM during json decoding
308 - Check surprise flags when unserializing arrays and objects
309 - Limit curl timeout to remaining request timeout
310 - Add variant of openssl_pkcs7_verify that ignores cert expiration
311 - Numerous changes to support xdebug
312 - Remove use of non-threadsafe strtok()
313 - Numerous changes to normalize INI setting names
314 - update to new sqlite
315 - <<__Memoize>> support
316 - Hack: Print backtrace when worker dies
317 - Parser support for "varray(..)"
318 - Introduce kVPackedKind for vector-like arrays
319 - Move mailparse to HNI
320 - VASM start phase 1; emit vasm for some instructions
321 - Fix in headers defines for cygwin
322 - [hack] Parser: Fix decl mode's confusion of type hints and xhp.
323 - Create a unified stack for Xenon
324 - Move debugger from IDL to HNI
325 - Fix mcrypt_create_iv(..., MCRYPT_RAND) to auto-seed RNG
326 - Fix information leak in hash_equals() implementation
327 - don't statically link libgcc/libstdc++ by default on OSX
328 - Adds ssdeep module to HHVM
329 - added new raise_error family functions that skip the top frame of the backtrace.
330 - Add initial support for -d outside of --php mode
331 - Fix covariance for Const{Vector,Map,Set}, add tests
333 - Implement SplDoublyLinkedList::add
334 - Link against LLVM library if present.
335 - Disallow multiple 'default:' blocks in a single switch
336 - Introduce async function lambdas
337 - Document the PHP profilers
338 - Fix sample profiler output; make it more efficient
339 - Properly shut down fastcgi worker threads when connection is closed
340 - Delete SimpleProfiler
341 - Create HHVM man page
342 - Improved PHP compatibility in the reflection API.
344 "Queen Latifah" 14-Aug-2014
345 - Implement RecursiveCallbackFilterIterator
346 - cmake installations should no longer put files in hphp and now put them in hhvm
347 - Fix error for (Recursive)CachingIterator::ctor's param 1
348 - Force OOM check on large smart allocations
349 - Support stream wrappers in XML parser extensions, add external entity loader
350 - Fix LowPtr load in codegen
351 - Fix race condition in DebuggerProxy start/stop
352 - Log per request if oom or timeout triggered in dynostats
353 - Break out hhvm request timeout / memout counters for psp vs non-psp
354 - Support collections for third parameter of preg_replace() and friends
355 - Added functions imagewebp and imagecreatefromwebp
356 - Fix mb_convert_case when encoding set other than default
357 - Added function imagepalettecopy to ext_gd
358 - Remove reflection hacks for primitive typehints
359 - Fixed tempnam() creates paths with '//'
360 - Add LibGMP extension
361 - Fix heap overflow in sql_regcase() for input >1GB
362 - Add HHVM hookups for folly::Singleton
363 - Fix isset on classes extending ArrayObject
364 - Only track live objects that actually have destructors
365 - Specify ssl cipher list for curl with OpenSSL only
366 - Remove support for "service threads"
367 - PDO MySQL's getCode() didn't match errorInfo
368 - Run usercode before ending the request
369 - Make DynamicExtensions work in ini
370 - Provide backup utf8 sanitizer when UConverter is unavailable
371 - Pass duplicate flag to SNI Initial Handler Callback
372 - fb_intercept now accounts for variadic functions
373 - Add variadic function to fb_intercept test
374 - Implemented basic xdebug tracing
375 - Rename snappy methods
376 - Add sort_flags to ArrayObject::asort
377 - Changed CRYPT_BLOWFISH to 1 because apparently it is available
378 - Convert ext/mysql to HNI
379 - Add log when memory usage reached the MaxRSS
380 - Fix http headers parsing + Remove unused code + Fix indentation
381 - Fixed error output for json_encode
382 - Corrected the var_dump output for Exception class
383 - Relax restrictions on the typing of class constant shape field names.
384 - Fix file:// URL decoding in libxml functions and elsewhere
386 "Public Enemy" 31-July-2014
387 - Interface requirements (similar to trait requirements) enforced
388 - Initial support for PHP5.6 argument unpacking: f($x, $y, ...$args)
389 - Hack: hhi files are embedded in the hh_server binary
390 - removed trampolines and the Eval.JitTrampolines option
391 - Hack: improved support for Generators, including async generators
392 - Documentation of PHP-level profiling in doc/profiling.md
393 - Cleanup of PHP-level profilers
394 - Change default for Eval.EnableObjDestructCall to true
395 - Bundle PCRE 8.32 with open-source HHVM, so we can use the JIT
397 "Outkast" 17-July-2014
398 - PHP_VERSION is now 5.6
399 - Introduce Dbl specific relational IR opcodes
400 - Expose APC info to admin port
401 - Improve Zend compatibility in the reflection API
402 - Implement xdebug_call_class
403 - Hack: first version of formatter
404 - Convert ext/xsl to HNI
405 - Hack: improve init time
406 - Remove JIT::RuntimeType
407 - Fix floating-point overflow for binary, octal and hex literals
408 - Collections: Vector::addAllKeysOf
409 - Hack can build on OSX now
410 - Fix await/yield operator precedence
411 - Fix various xcontroller issues
412 - Enable HHIRBytecodeControlFlow by default
413 - Various changes/fixes to WholeCFG region selector
414 - Introduce async generators
416 - Fix Memcache::get($keys) when $keys is an array
417 - Implement xdebug_call_function
418 - Change order of wait handle processing from FIFO to LIFO
419 - Add Redis::_serialize()
421 "Notorious B.I.G." 25-Jun-2014
422 - Remove Translator::analyze (replaced by tracelet region selector)
423 - Allow empty keys in hash_hmac() and hash_hmac_file()
424 - Interface requirements supported in parser
425 - Implement xdebug_{peak_,}memory_usage
426 - Inline singleton-pattern functions
427 - Cleanup in PhpFile and FileRepository
428 - Fix mysqli_query return value for query without result
429 - Implement xdebug_call_file
430 - Add fastlz support to memcached extension
431 - Fix ini_get to return false for non-supported settings
432 - Fix PHP version constants
433 - All numeric comparisons involving NAN, except != and !==, are now false.
434 - Implement xdebug_call_line
436 - Remove dump-file-repo admin command
437 - Fix stdclass promotion of static private properties
438 - Remove unused locals in global dce (HHBBC)
439 - Get mockery at 100%
440 - Fix casting resource to object
441 - Relocate code to arbitrary alignment
442 - Always let the first character through for camelcase searching
443 - Implement xdebug configuration options
444 - Convert ext/memcache to HNI
445 - Match php5's memcache getoption
446 - ./configure --help now has all the options
447 - mysqli: return false on non-selects
448 - Don't include bt_handler or killpg in backtraces
449 - Don't buffer overrun on bad DNS TXT records
450 - Fixed property access to DOM and XMLReader classes
451 - Add support for ParamCoerceModeFalse
453 "Mos Def" 11-Jun-2014
454 - Turn on new tracelet region selector by default; analyze() is deprecated
455 - Fix a bug in debugBacktrace with NativeImpl methods
456 - Request local allocator now uses logarithmically spaced size classes
457 - Improvements to JIT'd FCallBuiltin to cause fewer spills
458 - Enable vtable-style dispatch on methods marked "abstract"
459 - JIT several instructions that were being punted: Unbox, File, Dir
460 - Increase "hinted drop" time on write lease, improving JIT'd code layout
461 - Implemented __toString functions in reflection classes
462 - Several tc-print bug fixes
463 - Some improvements in hhbbc arithmetic type inference
464 - More service requests are "ephemeral", reducing wasted stubs space
465 - HH\Vector now has a packed array internally, for O(1) conversions to array
466 - current() and key() now support expressions that can't be taken by reference
467 - Fix a long-standing but very rare race condition with Closure class names
468 - gcc 4.8 is the new minimum to build
469 - Various bug/compat fixes in Soap, SimpleXML, ArrayObject, DOMNode, mysqli
470 - Add a scheme to extend support for efficient packed arrays w/ cap up to 2^32
471 - Move vmfp, vmsp, and vmpc into RDS
472 - Fix some hard-to-hit bugs in inlining relating to stack overflow checks
473 - Faster int to double conversion when calling builtins from the JIT
474 - Fix ReflectionParameter::getClass for scalar typehints
475 - better tuning of the PGO 'hot function' threshold
476 - performance improvements to calling native class methods
477 - improve performance of async functions that exit via exception
478 - several bug fixes in refcount optimization pass relating to async functions
479 - More hhir-related docs in the hackers-guide
480 - Initial support for relocating generated machine code
481 - JIT optimizations for count()
482 - Corrected the result of var_dump and print_r for ArrayObject
483 - fix HH\autoload_set_paths with nested maps
484 - make ReflectionClass serializable
485 - ext/standard/output HNI conversion
486 - allow usage of zend-qsort in user sorts with a runtime option
488 "LL Cool J" 28-May-2014
489 - Over 200 other bug fixes (go lockdown!)
490 - Every HDF setting is now available as INI
491 - Cut session_id() size by 1/2
492 - Added 'Z' format string for pack/unpack
493 - We now build on clang
494 - Fix pcre cache to not fatal when full
495 - Implement $php_errormsg
496 - Adding -n CLI option to hhvm php mode
497 - Fix substitution of invalid UTF8 sequences in htmlspecialchars
498 - FastCGI: Use SCRIPT_FILENAME as the PHP script to run
499 - Can create DateTimeZone's from abbreviations
500 - Put all fastcgi params into $_SERVER
501 - Many DOM classes are now serializable
502 - Define the xhp tokens
503 - Many reflection changes for perf and compatibility
504 - Default fastcgi to listen on 127.0.0.1
505 - remove register_cleanup_function
507 - Set: retain(), reserve(), addAllKeysOf()
508 - {Set|ImmSet|Vector|ImmVector}::fromKeysOf()
511 - Backport fix for CVE-2011-2202
512 - Interfaces {Keyed}Container match arrays *and* collections, not iterables
513 - Added ** and **= operators to HHVM and more compatibility fixes with PHP5.6
514 - Fixes and improvements to collections
515 - Replace json decoder with json-c library
516 - Document VMRegAnchor and isVMFrame()
517 - Improvements to array iterator code
518 - Improvements to the type checker
519 - Allow parser to be generated with bison 3
520 - Improvements and speed up to reflection code
523 - Make handling of code.hot overflows more robust
524 - Catch server errors sooner
525 - Fix segfault and infinite recursion in fileinfo extension
526 - Resolve systemlib constants at compile time
527 - Resume resumables natively
528 - Import round() table optimizations from php-src
529 - Delete bytecode Peephole optimizer
530 - Remove most of annotation.cpp, and some other code gated on !UsedHHBBC
531 - Create phis for locals
532 - Fix free of "" in rfc1867PostHandler
533 - Add firstValue(), firstKey(), lastValue(), lastKey() to collections
534 - Add concat() to collections
535 - Clarify Hack license
536 - Add CakePHP3 to test runner
537 - Better error when TC is full
538 - Add hash_equals() from PHP 5.6
540 "Insane Poetry" 24-Apr-2014
541 - Support for PHP 5.6 variadic ...$args syntax for func declarations
542 - Open source HHMeasure, a simple and extensible microbenchmarking tool
543 - Added a new time-based sampling profiler (Project Xenon)
544 - Fix PCRE unicode handling
545 - Convert Zend compatibility layer and various extensions to HNI
546 - Encode execution mode (eager or resumed) into SrcKey
547 - Merge eager and resumed parts of async functions
548 - Rework various async / continuation bytecode instructions
550 "House of PHPain" 1-Apr-2014
551 - Allow direct arg passing with up to 15 params (7 if at least one is a double)
553 "Ghostface Killah" 17-Mar-2014
554 - Remove "HipHop" from error messages
555 - Add __IsFoldable user attribute for const-foldable functions
556 - Add __Native("NoFCallBuiltin") UA for builtins which need an actrec
557 - Add support for testing different outputs in repo mode
558 - Implement remaining functionality from intl extension
559 - Implement XSL extension
560 - Implement Stream Filters
561 - Improve php.ini support and get ready to kill HDF files
562 - Parse config files as ini files, unless filename contains '.hdf'
563 - Various fixes to Redis, JSON, SPL, DateTime, MySQLi, and others
564 - Remove C<T>Ref typedefs (use const T& now)
565 - JIT default on in command line mode
566 - gethostname() just returns what the syscall returns (Zend compat)
567 - HHBBC turned on in the build for facebook.com
569 "Fifty Cent" 3-Mar-2014
570 - Array parameter type constraints implicitly cast collections to arrays
571 - Fix issues with feof and fwrite
572 - Fix issues with sleep and inaccessible properties
573 - Dump a jemalloc pprod dump when a request hits OOM
574 - Make method_exists work with interface inheritance
575 - Fix crash in preg_replace with /e
576 - Support filename and content type in Curl uploads
578 - Handle relative paths in is_dir
579 - Add string conversion for array_fill_keys
580 - Implement various Imagick functionality
581 - Implement CUROPT_PROGRESSFUNCTION
582 - Implement PHP 5.6 __debugInfo() magic method
583 - Raise warnings when return type annotations mismatch
584 - Fix nested ArrayObject assignment
585 - Switch many ini settings to thread-time binding
586 - Clean up memory stat tracking
587 - Immutable collections are now prefixed with Imm instead of Fixed/Frozen
588 - Clean up type parameter for CheckType-related IR opcodes
589 - Remove legacy linear-scan register allocator and Eval.HHIRXls option
592 - reenabled jemalloc tcache flush for idle threads
593 - array_combine now performs __toString conversion on objects in $keys
594 - Allow streams in move_uploaded_file
595 - Fix a bug double closing a UserFile
596 - Warn when first arg to call_user_func is an object with no __invoke
597 - kill userland hdf functions
598 - Final method reports itself as final
599 - Implement IntlCalendar
600 - Disallow create_function in RepoAuthoritative mode
601 - Case-insensitive check for Accept-Encoding: gzip
603 "Donald Glover" 3-Feb-2014
604 - Support for "::class"
605 - Enable FCallBuiltin for HNI functions
606 - json_decode parity with PHP 5.4
607 - Fix race condition with profiling vs. non-profiling functions prologues
608 - Implement ini_get_all()
609 - Begin conversion of runtime options to INI
610 - Fix potential PGO-mode crash
611 - Fixes and enhancement in IR printing
612 - Vector and Set now supported by:
613 array_{shift,unshift,fill_keys,reverse,flip,size,chunk}, min, and max
614 - StableMap is now an alias for Map, which retains insertion order
615 - Map moved to HH namespace
616 - Fixes in XLS spilling of SIMD registers
617 - Support SCRIPT_FILENAME in FastCGI
618 - Implement stream_context_{get,set}_default
619 - Support for Intel VTune Amplifier XE
620 - Rewrite of SimpleXML
621 - Several HNI conversions, and a helper script
622 - Move Pair to HH namespace
623 - Fix get_included_files ordering
624 - Fix $_SERVER and $_ENV in FastCGI
625 - Update timelib to php 5.5.8
626 - Some dead code removal
630 - FastCGI fixes, perf improvements
631 - ext_zend_compat fixes
632 - Turn on XLS Register Allocator by default
633 - Fix server stats reporting
634 - 'num' scalar typehint that accepts both ints and floats
635 - fix support for typedef'd namespaces
636 - don't swallow fatals when autoloading
637 - Map collections learned the in-place retain() and retainWithKey()
638 - rename Set::difference() to Set::removeAll()
639 - Update Set to retain element insertion order
642 - FrozenMap collection
643 - Deprecated Vector|Set|Map::put() method removed
644 - == between Frozen{Vector|Set|Map} and {Vector|Set|Map} now can return true
646 "Beastie Boys" 6-Jan-2014
647 - Support lex-time binary constants (eg. 0b10111)
648 - StreamWrappers now support rmdir, mkdir, rename and unlink
649 - Miscellaneous PHP5 compatibility fixes
650 - Default StatCache to off
651 - Miscellaneous FastCGI fixes
652 - Miscellaneous region compiler fixes
653 - Map and StableMap collections use the same underlying implementation
654 - Trait requirements enforced
655 - hhprof performance improvements
656 - Add array to string conversion notice
657 - Add RaiseNotice IR opcode
658 - Fix VirtualHost.<name>.Pattern matching
659 - Fix various memory leaks (pdo_parse_params, Gen*WaitHandle)
660 - Import a lot more Zend tests that used to crash or hang
662 - XLS register allocation cleanup
663 - Enable region compiler by default for JIT functions in ahot
664 - Fatal on eval() in RepoAuthoritative mode
665 - Enable LTO for HHVM
666 - Fix a few SPL compatibility issues
668 "Appleseed" 23-Dec-2013
669 - Fix issues with DOCUMENT_ROOT in fastcgi
670 - Better type inference for collections and builtins in repo mode
671 - Shorter syntax for lambda expressions w/ automatic captures
672 - Parser support for trait require clauses
673 - Move FrozenVector and Set to the HH namespace
674 - Fix resource to array conversion
675 - Fix a request local memory leak in foreach of apc arrays
676 - Initial php_odbc API implementation
677 - Implement PHP's hash_copy() function
678 - Experimental tool: Memoization Opportunity Profiler
679 - Various small parity/behavior fixes (in phar, proc_open, filter_var)
680 - A Eval.DumpHhas=1 option to dump hhas for a php file
681 - Better warnings in Set::toArray
682 - Fix the behavior of foreach loops in finally blocks
683 - chmod -x runtime/vm/jit/*.{cpp,h}
684 - Changes to make hhvm build clean with clang-3.4
685 - Fix array_product to not be bug-compatible with PHP 5.2
686 - Change the Map datastructure---preserves order and does faster foreach
687 - FrozenSet collection
688 - Generate pid.map when we unmap text section, for the perf tool
689 - Implemented GlobIterator
690 - Implemented Reflection::export and Reflection::getModifierNames
693 - support date.timezone in ini files
695 - special comparisons for DateTime
696 - delete unimplemented functions
697 - support for the finally clause in try blocks
699 "Huarache" 26-Nov-2013
700 - Linker re-ordering of hot functions
701 - Huge pages for hot functions
702 - Implement ZipArchive
703 - preg_replace /e support
704 - get_mem_usage() no longer can be negative
705 - Userland file system support
706 - Implement fileinfo extension
708 - PDO::sqliteCreateFunction()
709 - Implement NumberFormatter
711 - Implement DatePeriod
712 - Many reflection fixes
714 - A ton of performance fixes
715 - A ton of open source framework fixes
716 - FastCGI Server Support
718 "Garlic Alfredo" 11-Nov-2013
719 - teach implode() about collections
720 - fix ini parsing leak
721 - Make array not an instanceof Traversable
723 "Burrito" 28-Oct-2013
724 - Initial support for using FastCGI
725 - Initial support for php.ini configuration files
726 - Log when a nullable (e.g. ?int) is incorrect
727 - Add support for collections to array_diff, array_diff_key, array_intersect,
729 - tc-print improvements and fixes
730 - Several debugger fixes
731 - More improvements to the experimental PHP extension compat layer
732 - Fixed how parse errors are handled by eval()
733 - Support custom reason for status header
734 - Emit better error message when hhvm's systemlib doesn't load properly
735 - Fixes / clarifications added to the bytecode specification
736 - Lots of other bug fixes, clean up, PHP compat fixes, and JIT improvements
738 "Sausage" 14-Oct-2013
739 - Direct invocation of callable arrays: $f = [$cls_or_obj, 'method']; $f()
741 - Support dynamically loadable extensions
742 - Support loading mini-systemlibs from extensions
744 "Tabasco" 30-Sep-2013
745 - Fix issues with __toString() functions that return non-string values
746 - Don't allow mock classes to extend collection classes
747 - Smarter memory allocation and scheduling for NUMA systems
748 - Improve profiler performance in the jit
749 - Fix several Zend compatibility issues
750 - Fix several bugs uncovered by ASAN
751 - Add collection support to array_keys, array_values, and array_combine
752 - Return a set-like array from Set::toArray
753 - Add to(Vector|Map|StableMap|Set) methods to collections
754 - Collections convert to boolean false when empty
755 - get_class_vars invokes the autoloader when necessary
756 - Rework the Zend compatibility layer to be more robust
757 - Allow traits to implement interfaces
758 - Support arbitrary expressions inside empty()
760 "Bobotie" 16-Sep-2013
761 - HNI (HipHop Native Interface) for calling C++ functions from PHP
762 - Fix PropertyAccessorMap::isset
763 - Expose more POSIX constants
764 - Fixed behavior of stream_get_contents when default args are used.
765 - Implement str_getcsv, and fix some fgetcsv related issues.
766 - [IPv6] Fix stream_socket_recvfrom & stream_socket_sendto.
767 - [IPv6] Fix socket_sentto_recvfrom_ipv6_udp Zend compatibility.
768 - Optimize closure invocation and __invoke (~3x faster to invoke)
769 - Import gettext extension
770 - string and object allocation optimizations (reduced memory usage for both)
771 - Import YAML extension
772 - Import ftp extension
775 - Fix order of custom attributes and visibility in ctor arg promotion
776 - Implement CachingIterator
777 - Implement RecursiveCachingIterator
778 - Generalized heuristic for choosing when to inline in the jit
779 - Introduced a Zend compatibility layer to compile extensions
780 - Imported calendar extension
781 - Use gcc-4.8.1 by default
782 - Improve hhvm command line parsing logic
783 - Fix register_shutdown in session_set_save_handler to match PHP 5.4
784 - Add "native" functions for use in Systemlib
785 - PHP extension source-compatitblility layer
786 - Fix ArrayIterator constructor PHP compatibility
787 - Enable building against libmemcached 1.0.8
788 - Debugger: $_ not cleared but still printed after exception
789 - Fix clone of SplPriorityQueue
790 - Debugger: Fix bugs when multiple threads hit the same breakpoint
791 - Fix several namespace bugs
792 - Several PHP compatibility fixes for ArrayObject and ArrayIterator
793 - Fix list assignment with collection literals
794 - support "tuple(...)" in initializer expressions
795 - HHVM should compile with libmemcached 1.0.9+
796 - Support "(new Vector {..})->method()" style syntax
797 - use trigger_error in PHP for Redis user errors
798 - multiple simplexml fixes
799 - fixed serialize/unserialize for SplObjectStorage
800 - Implement ReflectionParameter::IsCallable()
802 "Achiote" 19-Aug-2013
803 - Async stack traces in the debugger via the "wa" command
804 - Fix late static binding in static closures
805 - Fix breakpoints on generators
806 - Add SplObserver and SplSubject interfaces
807 - Update Iterable interface and add toArray() method
808 - Allow __get for undefined properties
809 - Implement get_included_files()
810 - Limit use of huge pages
812 "Churrasco" 05-Aug-2013
813 - Implement stream_is_local
814 - Implement read support for .phar
815 - Implement assert with string arguments
816 - Implement RecursiveArrayIterator
817 - Implement php_strip_whitespace()
818 - Support for timeouts in cli mode
819 - Closure allocation optimizations (~2x faster to allocate a closure)
820 - Implement Redis session handler
821 - New memory profiler, hhprof, with pprof compatible output
822 - Update isset($string[$k]) and empty($string[$k) to PHP 5.5 semantics
823 - Fixed a few parser bugs
824 - Fixed a few bugs with token_get_all()
825 - Fix (string)$obj semantics when __toString() is not defined
828 - Optimize vector-shaped Arrays (arrays with keys in range 0..size-1)
829 - Enable HHBC by default in debug builds
830 - Implement SplObjectStorage::getInfo()
831 - Initial rough draft of xhpast2, a replacement for xhpast
832 - fix compilation on Ubuntu 13.04
833 - OSX changes, next round
834 - Modify PHP's ext/standard/math/tests/(pow|abs).phpt to be HHVM friendly
835 - add XHP comment syntax based on http://www.w3.org/TR/REC-xml/#sec-comments
837 "Wasabi Peas" 08-Jul-2013
838 - always_assert when we run out of TC space
839 - Initial changes to get HHVM compiling on OSX
840 - Consolidate ObjectData and Instance
841 - Prototype heap tracing framework & Heap profiler
842 - Better JIT code generation for Mod and Div
843 - Fixes to enable compilation with clang
844 - Support for yield k => v
845 - Make HHVM's command line parsing closer to PHP
846 - Implement Redis extension
847 - Implement LimitIterator from SPL
848 - add SessionHandler from PHP 5.4
849 - Numerous Debugger fixes and new developer docs for Debugger
850 - Ported many extension tests to PHP