2 - [asio] Introduce ConditionWaitHandle
3 - [hack] `hh_server --version` should not require a root
4 - [hack] Log exceptions thrown in the master process.
5 - [hack] Enable unused var warnings under typing/
6 - [hh] typechecker: unbound name errors in partial/decl mode
7 - [hack] Disallow trailing comma in used trait list
8 - [hack] Have coverage / coloring use a hook
9 - [hack] Create lock file if it doesn't exist
10 - Fix std::terminate when debugger is not attached during unwind
11 - [hack] Make `trait ... extends ...` into a parse error
12 - [hack] Make multiple inheritance a parse error
13 - [hh] typechecker: support Enum in xhp attribute declarations
14 - [hack] Raise type errors on undefined static polymorphism lookups.
16 - [hack] Let any user write to the saved state dir.
17 - [hack] Don't have an optional param that's an option type
18 - RequestInitDocument 404 friendly reminder
19 - Implement Phar::running()
20 - Make Redis utility methods public
21 - Contiguous Heap Prototype
22 - [hh_format] Don't add trailing commas in used trait lists
23 - [hh_format] Don't add trailing commas in template parameter lists
24 - [hh_format] Fix bug with hh_format --diff duplicating some lines.
25 - [hh_format] Don't destroy whitespace in files with "**/" in comments
26 - fix for iconv_mime_decode_headers function skipping headers
27 - Add CPU option for JIT (EvalJitCPU). Defaults to 'native'.
28 - Limit glob flags to only ones supported by php
29 - make recursion limit for unserialize
30 - Allow trailing commas in short-lamba expressions
31 - Fix some leaks in new_socket_connect
32 - fixed decoding utf8 strings so they correctly return '?' on invalid sequences
33 - Actually get the realpath first thing when searching for a file.
35 - Simple speedup for is_dir
36 - [hh] typechecker: demand consistent casing for primitive typehints
37 - Support timestamp begins and ends for getTransitions()
38 - Add global value numbering pass
39 - Support \u escape sequences in double-quoted strings
40 - ResourceLimit.SerializationSizeLimit can be overwriten from the vhost config
41 - Check Eval.JitAMaxUsage when deciding whether to start profiling a function
42 - Allow hex in mb_encode_numericentity
43 - [hhvm] Work around leak in boost flat_set
44 - Add stream_await() for async stream "blocking"
45 - [typechecker] Add support for reading XHP attributes via "->:"
46 - Modify rpoSortCfg to reduce memory usage in refcount-opts
47 - Fix #4380, making get code and get message final
49 - Disable PGO for pseudo-mains
50 - Mock date/time functions in Isolation.php
51 - Fix error_get_last() not cleared when error handle function entered
52 - [hhvm] RFC: Native Property Handlers
53 - [hack] Define proper constants for CURLOPT and friends
54 - Make newlines in http headers a fatal error.
55 - Add Hack typing to array_keys
56 - Use a custom implementation of strtoll for unserialize
57 - [hack] control whether unseen <?php code is assumed via .hhconfig
60 - Converted objprof extension to use heap parsing
63 - Fix comparison of overflowing strings
64 - Fix potential memory corruption during ArrayData::set
65 - Introduce util to restart current process
66 - Share variable environment in eval'd assert
67 - [Find] Only escape spaces in paths for find
68 - Don't ignore Eval.JitAHotSize
69 - Fix checkCfg's defined-tmp checks to be aware of edge-defined tmps
70 - Fix bugs relating to edges in IRInstruction::become
71 - Fix insertPhis calls to IRUnit::replace()
72 - Use sha1sum for the repo-schema
73 - [hh] typechecker: add constants to hh_client --show
74 - [hack] Dump typedef info in `hh_client --show`
75 - Make BigNode parsable, extend HeapIter to visit BigNodes.
76 - Allow static invocation of DOMDocument::load* methods
77 - Allow "array" with type args to be used in XHP attribute declarations
78 - HTMLEncode strings in wddx_serialize_value()
79 - [hack] Make dependency on lz4 optional for OSS build.
80 - [hack] Have hh_server take the list of files to recheck as relative paths
81 - [hack] Docblock parser for AT
82 - Add version number to imagick extension
83 - Support Authorization header in apache_request_headers()
84 - [hack][build] Add needs_rerun hook for XController build step
85 - Fix call to fetchObject without class name
86 - Add possibility to create a DateTime object with timezone
87 - DateTimeImmutable::createFromFormat returns false on failure
88 - [hh] typechecker add PREG_* constants to hhi
89 - Raise warning when put_contents on non-regular file with exclusive lock.
90 - Use uncounted strings to cache non-static regexes
91 - Use specializeExact whenever we know AttrNoOverride from whole program analysis
92 - Fix some not-type-safe LdRef code generated in a situation with SetOpL
93 - Split inner ref type checks into a separate instruction from LdRef
94 - Add support for stream wrapper in include_path.
95 - cmake option to enable avx2 instruction support
96 - Add missing default to PharData::decompress()
97 - [hack] Add lz4 compression when saving server state.
98 - Fix leak in tvCoerce*
99 - Trie Search - optimizations for JS
100 - Don't throw an exception on unknown IP address for OSS
101 - [hh] parity: match php 5.6 in treatment of array_fill with num = 0
102 - Make ob_start function signature PHP 5.6 compatible
103 - Fix issues with private properties and apc
104 - Implement remaining straightforward vasm ops in llvm backend
105 - [hack] Type strlen's return value.
106 - [hack] add additional iterator interfaces
107 - Improve segaddr fixing for 32-bit destructors
108 - Fix parent::__cOnStRuCt and similar with PHP4 constructors
109 - Make stats.json on the admin server return valid json
110 - [hack] Simplify coverage JSON output, and add non-JSON output option.
111 - Remove kernel version assertions
112 - [hack] Fix bad escaping of directory names
113 - [hack] Add some hhi constants for pcntl.
114 - Fix problems in getCurrentPropertyOffset relating to m_ni.inputs
115 - Fix CSE to be aware of where SSATmps are known to be defined
116 - Add an analysis module for functions that query information about the IR
117 - Don't JIT functions that use $php_errormsg or $http_response_code
118 - Fix default SOAP HTTP client
119 - [hack] Member access is `->` followed by lvar, not word
120 - Fix comparison between doubles and hex numeric strings
121 - Implement a bunch more vasm instructions in llvm backend
122 - Enable ASAN for smart allocator
123 - Record the start time for every request
124 - Fix parsing of binary literals denoted with a capital '0B'
125 - Fix Symfony's it's not safe to rely on system timezone setting errors
126 - Allow non-static expressions in function parameter defaults
127 - Fix a bug in Index::lookup_constraint
128 - [hack] Add logging to server_options_cmd.
129 - Fix optional 'errorcode' parameter is not set up properly
130 - Fix PHP primitive default parameter type check
131 - Weaken assert in FileUtil::canonicalize
132 - [hack] Error when using "shape" as a type
133 - Fix getOldestStartTime
134 - Add zlib.output_compression ini option
135 - Add missing argument to DOMXPath::{query,execute}()
136 - htmlentities() should output valid ISO-8859-1 characeters to appropriate entities
137 - Remove bad assert from BaseVector::data()
138 - Cleanup sock and pid files on graceful exit from FastCGI
139 - [hack] Add script for determining server startup options
140 - [hack] Record init time in log output.
141 - Fix some bugs in intersecting specialized types
142 - [hack] Fix duplicate unbound name errors
143 - Update OCaml to 4.02.1
144 - [hhvm] Add per kind ArrayFunc counters for ArrayTracer
145 - Fix use-after-free in the access logs
146 - Wait for clean shutdown on SIGHUP
147 - [hhi] add at() to MysqlRow in hhi file
148 - [memoize] Go back to individual cache props for statics
149 - Break regions after FCall & friends when using LLVM
150 - Remove support for magic quotes (also removed in PHP 5.4)
151 - qlzcompress is not available everywhere, and there's no support for it in OSS
152 - Change the Profiler constructor to not necessarily force CPU affinity.
153 - Add getTypeText to ReflectionParameter
154 - Remove trailing junk from IP addresses for sockets
155 - Preserve index of sockets passed into/out-of socket_select()
156 - Fix lchown when no user found
157 - [hh] typechecker: split function bodies into named and unnamed
158 - [hack] fix error with capturing locals for a foreach using a ref
159 - guess root from supplied filename, where that makes sense
160 - Show a nice error when an invalid argument is passed to hphp -t
161 - Expose Imagick::getImageMimeType to userland
162 - SplFixedArray::FromArray() throws InvalidArgumentException not Exception
163 - Make default_socket_timeout match PHP 5.x
164 - VerifyRetTypeC optimizations for repo-mode
165 - Turn off refcount opts by default when HHIRBytecodeControlFlow is on
166 - Make profiled packed array gets not rejoin the main line
167 - Side exit on surprise flags for backward jumps
168 - Print edges with colors in IR dot graphs; make dotBodies usable
169 - Fix region-method support for loops
170 - Correct the return type of BaseG; fix some missing renames of Mem -> Memb
171 - Adopt PHP7's looser handling of return values in user session handler
172 - Honor the Redis timeout
173 - Fix mysqli_options. Stop asserting.
174 - Fix some bugs in hhbbc support for http_response_code, php_errormsg
175 - Introduce immediately executed async lambdas
176 - Allow nested namespaces with sane behavior
177 - Updated win32-cygwin patch Fixes Issue #4062
178 - [hh] typechecker: ReflectionClass hhi fixup
179 - [hack] Add hh_server --version
180 - Fix a few memory management issues in DOMDocument
181 - Prevent m_nextKI from going negative in MixedArray
182 - [hh] typechecker: declaration location in extend_final error
183 - [hack] Enable .hhconfig to control hh_server flags
184 - Respect status codes from `Status:` header in addition to `HTTP/` header
185 - Fix number_format() to deal with very large precisions/very large numbers
186 - Fix closure use var reflection for referenced vars
187 - Support self parameter typehint
188 - [h2tp] modify build to support h2tp
189 - [hh] hh_format: understand async lambdas
190 - [hack] added support for abstract class constants
193 - Fix readline request locals
194 - Don't leak HashContexts
195 - Fix a race freeing an APCHandle
196 - Don't clean up memory in AdminRequestHandler::abortRequest
197 - Fix setup/teardown for requests handled by WarmupRequestHandler
198 - Extend IR type system for more information about pointers
199 - Use proxygen as a git submodule
200 - Version of memcpy-x64 optimized for the tail end of 7,6,5,4 bytes in an N byte copy
201 - Eliminate default cases in DataType switches
202 - Match PHP5 backquote processing
203 - Add overflow info to is_numeric_string
204 - Add support for pre-built branches to benchy
205 - Allow calling closures inline
206 - Allow systemlib function declarations to use reserved words for function names
207 - Add HH\{int,float,bool} typehints to PHP
208 - Deep initialization for constant properties
209 - Enforce void return on native class constructors/destructors
210 - Replace NEWOBJ with newobj<T> and newres<T> functions
211 - Change default FCGI socket permissions
212 - Support openssl replacements which don't export RANG_egd()
213 - Fix use-after-free in TimeZone
214 - Support GCC/LLVM stack-smashing protection
215 - Make sure Type::Bottom is a subtype of everything
216 - Fix hphpd crash when printing systemlib classes
217 - Convert file extension to HNI
218 - Convert DOMDocument extension to HNI
219 - Convert POSIX extension to HNI
220 - Convert array_multisort to HNI
221 - Add fribidi extension for HHVM
222 - Mechanism for enabling request-local heap profiling
223 - Make prediction opts deal with arbitrary load/check instructions
224 - Add JSON output support to benchy
225 - HHIR pass to do dead store elimination on frame locals
226 - Adjust single parameter warnings for min()/max()
227 - Make AlwaysLogUnhandledExceptions=off and CallUserHandlerOnFatals=EnableHipHopSyntax
228 - Always use RuntimeOption::SourceRoot to resolve repo-auth lookups
229 - Refactor debugger tests
230 - Fix parser to allow "type" and "newtype" to be used as typevars
231 - Convert system/idl/function to HNI
232 - Remove type annotations for array_sum and array_product
233 - Don't populate the litstr-to-id map in RepoAuthoritative mode
234 - Move m_lineTable to a side table
235 - Only try to autoload classes with valid names
236 - Proper PDO connection errors
237 - Move hfsort linker script tool to OSS
238 - Move slow 'quick' tests to 'slow'
239 - Add option to make inconv actually match the docs
240 - Convert socket extension to HNI
241 - Convert stream extension to HNI
242 - Fix UserFile::access behavior to match PHP5
243 - Fix for wrong PATH_INFO and PATH_TRANSLATED (maybe)
244 - Move generated .h and .cpp to unique dir
245 - Fix for phat:// stream wrapper with no stub
246 - JSON encode closures as empty objects for PHP compat
247 - Disable parameter typehints for builtins to match PHP5
248 - Convert PDO extension to HNI
249 - Fix assert related to async return typehints
250 - Allow collections in array_sum() and array_product()
251 - Use the time in default xdebug output file
252 - Allow vxls to allocate vmsp during traces
253 - Only initialize sweepables on new threads
254 - Load Offset->line number mappings on demand
255 - Fix SOAP memory leak
256 - Add OSS support for benchy
258 "Will.i.am" 13-Nov-2014
259 - Add benchy.py for benchmarking HHVM
260 - Tune and enable PGO for all functions
261 - Generate HHIR opcode table by extracting lines from ir.specification
262 - Convert a few more extensions to HNI
263 - Limit the maximum number of bytecode instructions in a region
264 - Improvements to <<__Memoize>>
266 "Vanilla Ice" 27-Oct-2014
268 - An async method's return annotation (if there is one) must be "Awaitable"
269 - Fix a bug in how __Memoize sets up FPI regions
270 - Fix issues with shutdown/postsend functions
271 - Fix is_callable for interface and abstract methods
272 - Added support for ReflectionFunction::getClosureThis()
273 - Add option to run perf to hhvm_wrapper
274 - Use a global cache for timezone info
275 - Implement readline_info()
276 - Fix NumberFormatter::format for string values
277 - Corrected socket connect for IPv6 hosts
278 - [hack] Fix parsing of postfix operators.
279 - Region selector improvements
280 - Disallow <<__Memoize>> on interfaces
282 - Align recoverable fatal error's message with PHP
283 - [hack] Make hhi for some builtin constants.
284 - HHBBC improvements (enums, etc.)
285 - Properly shutdown debugger threads on exit
286 - [hack] support for 'abstract final' classes
287 - Convert string to HNI
288 - Fix SOAP extension type encoding
289 - make test runner not puke when run with xargs
290 - [hack] reflection support for first-class enums
291 - Make `yield;` a valid statement
293 "Ultramagnetic" 9-Oct-2014
295 - Closure::bind support
296 - Cleanup/shrink various runtime data structures
297 - Various jit performance optimizations
298 - Fix various debugger crashes
299 - Better handling of memory limits
300 - Hack: System user attributes will be prefixed with __, notably <<Override>> renamed to <<__Override>>
301 - Hack: Support for 'abstract final' non-instantiable non-inheritable "utility" classes
304 - Use vasm virtual registers in x64 backend, transition fully to vasm-xls
305 - 'arraykey' scalar typehint that accepts both ints and strings
306 - Add OSS benchmarking suite
307 - Fix PDO::bindColumn
308 - [resumable] Set resumed flag before suspending VarEnv
309 - Objprof for HHVM (Approx. instance counter)
310 - Make RUSAGE_THREAD available to getrusage PHP function
311 - clean up /tmp/test-run- files
312 - VASM register-coalescing via hinting
313 - Be more conservative about HNI types when there are InterceptableFunctions
314 - Add runtime support for null-safe method call operator "?->"
315 - Add sanity test system to OSS benchmarker
316 - Fix double deallocation of object in zend conversion of object to string
317 - [hhvm|memoize] Makes <<__Memoize>> work with arbitrary args
318 - Use raw troff encoding for official HHVM man page
319 - Add --php options to HHVM man page
320 - Fix GMP tests/crashes
321 - Implement posix_errno
322 - Xdebug remote debugging compatibility and bug fixes
323 - Add options parameter to DOMDocument::load/loadHTML()
324 - Add support for GNU tar symlinks to PharData
325 - Add max_file_uploads support
326 - Improve process error checking in perf runner
327 - posix_getgrgid()['members'] should be empty array if no users found
328 - Convert from jemalloc's obsolete *allocm() to *allocx()
329 - Use EqX instead of Eq for Obj/Num comparisons.
330 - make class closure consist with PHP
331 - Fix guard relaxation to work with bytecode control flow
332 - Allow vm-stack flushing in rpc threads
333 - stop killing LightProcesses while writing out stacktrace.log
334 - Get hhvm compiling with clang-3.5
335 - Update .hhi files for ConstSet, Set, and ImmSet
336 - Force the linker to keep symbols in lowmem on MacOSX
337 - Make guard relaxation work with unreachable code
338 - Add minimal hdf support to test runner
339 - Analyze/optimize pseudomains in hhbbc
340 - [hhvm|memoize] Fix segfault on certain memoized functions
341 - Support mappy ini configuration
342 - Xdebug cleanup and trivial features
343 - Abort the server if a request gets stuck
344 - Added support for Closure::bind()
346 "Snoop Dogg" 11-Sep-2014
347 - VASM phase 1: emit vasm instructions, with existing register allocation
348 - More xdebug support
349 - [hack] Implement async lambdas.
350 - add process memory and code segment size to admin memory page
351 - Overhauled xdebug remote debugging testing
352 - Add a mechanism for building and testing a zend extension as a DSO.
353 - Support fast object allocation path when Eval.EnableObjDestruct call is on
354 - Static string table memory usage
355 - Implement parallel repo preloading.
356 - Add mcrypt constants to hhi
357 - Move var_dump() to HNI, kill off variable.idl.json
358 - JIT: Use std, boost, and folly instead of smart containers.
359 - Hack: Support for variance (+/-) annotations on type-parameters
360 - Implement APCIterator
361 - Convert v?s?printf() to HNI using Variadics
362 - Enable variadics for HNI functions/methods
363 - Smooth a wrinkle in HHVM's safesort impl
364 - Make Set implement KeyedIterable and support bracket syntax for reading
368 - Make MemExceeded flag sticky
369 - Check for OOM during json decoding
370 - Check surprise flags when unserializing arrays and objects
371 - Limit curl timeout to remaining request timeout
372 - Add variant of openssl_pkcs7_verify that ignores cert expiration
373 - Numerous changes to support xdebug
374 - Remove use of non-threadsafe strtok()
375 - Numerous changes to normalize INI setting names
376 - update to new sqlite
377 - <<__Memoize>> support
378 - Hack: Print backtrace when worker dies
379 - Parser support for "varray(..)"
380 - Introduce kVPackedKind for vector-like arrays
381 - Move mailparse to HNI
382 - VASM start phase 1; emit vasm for some instructions
383 - Fix in headers defines for cygwin
384 - [hack] Parser: Fix decl mode's confusion of type hints and xhp.
385 - Create a unified stack for Xenon
386 - Move debugger from IDL to HNI
387 - Fix mcrypt_create_iv(..., MCRYPT_RAND) to auto-seed RNG
388 - Fix information leak in hash_equals() implementation
389 - don't statically link libgcc/libstdc++ by default on OSX
390 - Adds ssdeep module to HHVM
391 - added new raise_error family functions that skip the top frame of the backtrace.
392 - Add initial support for -d outside of --php mode
393 - Fix covariance for Const{Vector,Map,Set}, add tests
395 - Implement SplDoublyLinkedList::add
396 - Link against LLVM library if present.
397 - Disallow multiple 'default:' blocks in a single switch
398 - Introduce async function lambdas
399 - Document the PHP profilers
400 - Fix sample profiler output; make it more efficient
401 - Properly shut down fastcgi worker threads when connection is closed
402 - Delete SimpleProfiler
403 - Create HHVM man page
404 - Improved PHP compatibility in the reflection API.
406 "Queen Latifah" 14-Aug-2014
407 - Implement RecursiveCallbackFilterIterator
408 - cmake installations should no longer put files in hphp and now put them in hhvm
409 - Fix error for (Recursive)CachingIterator::ctor's param 1
410 - Force OOM check on large smart allocations
411 - Support stream wrappers in XML parser extensions, add external entity loader
412 - Fix LowPtr load in codegen
413 - Fix race condition in DebuggerProxy start/stop
414 - Log per request if oom or timeout triggered in dynostats
415 - Break out hhvm request timeout / memout counters for psp vs non-psp
416 - Support collections for third parameter of preg_replace() and friends
417 - Added functions imagewebp and imagecreatefromwebp
418 - Fix mb_convert_case when encoding set other than default
419 - Added function imagepalettecopy to ext_gd
420 - Remove reflection hacks for primitive typehints
421 - Fixed tempnam() creates paths with '//'
422 - Add LibGMP extension
423 - Fix heap overflow in sql_regcase() for input >1GB
424 - Add HHVM hookups for folly::Singleton
425 - Fix isset on classes extending ArrayObject
426 - Only track live objects that actually have destructors
427 - Specify ssl cipher list for curl with OpenSSL only
428 - Remove support for "service threads"
429 - PDO MySQL's getCode() didn't match errorInfo
430 - Run usercode before ending the request
431 - Make DynamicExtensions work in ini
432 - Provide backup utf8 sanitizer when UConverter is unavailable
433 - Pass duplicate flag to SNI Initial Handler Callback
434 - fb_intercept now accounts for variadic functions
435 - Add variadic function to fb_intercept test
436 - Implemented basic xdebug tracing
437 - Rename snappy methods
438 - Add sort_flags to ArrayObject::asort
439 - Changed CRYPT_BLOWFISH to 1 because apparently it is available
440 - Convert ext/mysql to HNI
441 - Add log when memory usage reached the MaxRSS
442 - Fix http headers parsing + Remove unused code + Fix indentation
443 - Fixed error output for json_encode
444 - Corrected the var_dump output for Exception class
445 - Relax restrictions on the typing of class constant shape field names.
446 - Fix file:// URL decoding in libxml functions and elsewhere
448 "Public Enemy" 31-July-2014
449 - Interface requirements (similar to trait requirements) enforced
450 - Initial support for PHP5.6 argument unpacking: f($x, $y, ...$args)
451 - Hack: hhi files are embedded in the hh_server binary
452 - removed trampolines and the Eval.JitTrampolines option
453 - Hack: improved support for Generators, including async generators
454 - Documentation of PHP-level profiling in doc/profiling.md
455 - Cleanup of PHP-level profilers
456 - Change default for Eval.EnableObjDestructCall to true
457 - Bundle PCRE 8.32 with open-source HHVM, so we can use the JIT
459 "Outkast" 17-July-2014
460 - PHP_VERSION is now 5.6
461 - Introduce Dbl specific relational IR opcodes
462 - Expose APC info to admin port
463 - Improve Zend compatibility in the reflection API
464 - Implement xdebug_call_class
465 - Hack: first version of formatter
466 - Convert ext/xsl to HNI
467 - Hack: improve init time
468 - Remove JIT::RuntimeType
469 - Fix floating-point overflow for binary, octal and hex literals
470 - Collections: Vector::addAllKeysOf
471 - Hack can build on OSX now
472 - Fix await/yield operator precedence
473 - Fix various xcontroller issues
474 - Enable HHIRBytecodeControlFlow by default
475 - Various changes/fixes to WholeCFG region selector
476 - Introduce async generators
478 - Fix Memcache::get($keys) when $keys is an array
479 - Implement xdebug_call_function
480 - Change order of wait handle processing from FIFO to LIFO
481 - Add Redis::_serialize()
483 "Notorious B.I.G." 25-Jun-2014
484 - Remove Translator::analyze (replaced by tracelet region selector)
485 - Allow empty keys in hash_hmac() and hash_hmac_file()
486 - Interface requirements supported in parser
487 - Implement xdebug_{peak_,}memory_usage
488 - Inline singleton-pattern functions
489 - Cleanup in PhpFile and FileRepository
490 - Fix mysqli_query return value for query without result
491 - Implement xdebug_call_file
492 - Add fastlz support to memcached extension
493 - Fix ini_get to return false for non-supported settings
494 - Fix PHP version constants
495 - All numeric comparisons involving NAN, except != and !==, are now false.
496 - Implement xdebug_call_line
498 - Remove dump-file-repo admin command
499 - Fix stdclass promotion of static private properties
500 - Remove unused locals in global dce (HHBBC)
501 - Get mockery at 100%
502 - Fix casting resource to object
503 - Relocate code to arbitrary alignment
504 - Always let the first character through for camelcase searching
505 - Implement xdebug configuration options
506 - Convert ext/memcache to HNI
507 - Match php5's memcache getoption
508 - ./configure --help now has all the options
509 - mysqli: return false on non-selects
510 - Don't include bt_handler or killpg in backtraces
511 - Don't buffer overrun on bad DNS TXT records
512 - Fixed property access to DOM and XMLReader classes
513 - Add support for ParamCoerceModeFalse
515 "Mos Def" 11-Jun-2014
516 - Turn on new tracelet region selector by default; analyze() is deprecated
517 - Fix a bug in debugBacktrace with NativeImpl methods
518 - Request local allocator now uses logarithmically spaced size classes
519 - Improvements to JIT'd FCallBuiltin to cause fewer spills
520 - Enable vtable-style dispatch on methods marked "abstract"
521 - JIT several instructions that were being punted: Unbox, File, Dir
522 - Increase "hinted drop" time on write lease, improving JIT'd code layout
523 - Implemented __toString functions in reflection classes
524 - Several tc-print bug fixes
525 - Some improvements in hhbbc arithmetic type inference
526 - More service requests are "ephemeral", reducing wasted stubs space
527 - HH\Vector now has a packed array internally, for O(1) conversions to array
528 - current() and key() now support expressions that can't be taken by reference
529 - Fix a long-standing but very rare race condition with Closure class names
530 - gcc 4.8 is the new minimum to build
531 - Various bug/compat fixes in Soap, SimpleXML, ArrayObject, DOMNode, mysqli
532 - Add a scheme to extend support for efficient packed arrays w/ cap up to 2^32
533 - Move vmfp, vmsp, and vmpc into RDS
534 - Fix some hard-to-hit bugs in inlining relating to stack overflow checks
535 - Faster int to double conversion when calling builtins from the JIT
536 - Fix ReflectionParameter::getClass for scalar typehints
537 - better tuning of the PGO 'hot function' threshold
538 - performance improvements to calling native class methods
539 - improve performance of async functions that exit via exception
540 - several bug fixes in refcount optimization pass relating to async functions
541 - More hhir-related docs in the hackers-guide
542 - Initial support for relocating generated machine code
543 - JIT optimizations for count()
544 - Corrected the result of var_dump and print_r for ArrayObject
545 - fix HH\autoload_set_paths with nested maps
546 - make ReflectionClass serializable
547 - ext/standard/output HNI conversion
548 - allow usage of zend-qsort in user sorts with a runtime option
550 "LL Cool J" 28-May-2014
551 - Over 200 other bug fixes (go lockdown!)
552 - Every HDF setting is now available as INI
553 - Cut session_id() size by 1/2
554 - Added 'Z' format string for pack/unpack
555 - We now build on clang
556 - Fix pcre cache to not fatal when full
557 - Implement $php_errormsg
558 - Adding -n CLI option to hhvm php mode
559 - Fix substitution of invalid UTF8 sequences in htmlspecialchars
560 - FastCGI: Use SCRIPT_FILENAME as the PHP script to run
561 - Can create DateTimeZone's from abbreviations
562 - Put all fastcgi params into $_SERVER
563 - Many DOM classes are now serializable
564 - Define the xhp tokens
565 - Many reflection changes for perf and compatibility
566 - Default fastcgi to listen on 127.0.0.1
567 - remove register_cleanup_function
569 - Set: retain(), reserve(), addAllKeysOf()
570 - {Set|ImmSet|Vector|ImmVector}::fromKeysOf()
573 - Backport fix for CVE-2011-2202
574 - Interfaces {Keyed}Container match arrays *and* collections, not iterables
575 - Added ** and **= operators to HHVM and more compatibility fixes with PHP5.6
576 - Fixes and improvements to collections
577 - Replace json decoder with json-c library
578 - Document VMRegAnchor and isVMFrame()
579 - Improvements to array iterator code
580 - Improvements to the type checker
581 - Allow parser to be generated with bison 3
582 - Improvements and speed up to reflection code
585 - Make handling of code.hot overflows more robust
586 - Catch server errors sooner
587 - Fix segfault and infinite recursion in fileinfo extension
588 - Resolve systemlib constants at compile time
589 - Resume resumables natively
590 - Import round() table optimizations from php-src
591 - Delete bytecode Peephole optimizer
592 - Remove most of annotation.cpp, and some other code gated on !UsedHHBBC
593 - Create phis for locals
594 - Fix free of "" in rfc1867PostHandler
595 - Add firstValue(), firstKey(), lastValue(), lastKey() to collections
596 - Add concat() to collections
597 - Clarify Hack license
598 - Add CakePHP3 to test runner
599 - Better error when TC is full
600 - Add hash_equals() from PHP 5.6
602 "Insane Poetry" 24-Apr-2014
603 - Support for PHP 5.6 variadic ...$args syntax for func declarations
604 - Open source HHMeasure, a simple and extensible microbenchmarking tool
605 - Added a new time-based sampling profiler (Project Xenon)
606 - Fix PCRE unicode handling
607 - Convert Zend compatibility layer and various extensions to HNI
608 - Encode execution mode (eager or resumed) into SrcKey
609 - Merge eager and resumed parts of async functions
610 - Rework various async / continuation bytecode instructions
612 "House of PHPain" 1-Apr-2014
613 - Allow direct arg passing with up to 15 params (7 if at least one is a double)
615 "Ghostface Killah" 17-Mar-2014
616 - Remove "HipHop" from error messages
617 - Add __IsFoldable user attribute for const-foldable functions
618 - Add __Native("NoFCallBuiltin") UA for builtins which need an actrec
619 - Add support for testing different outputs in repo mode
620 - Implement remaining functionality from intl extension
621 - Implement XSL extension
622 - Implement Stream Filters
623 - Improve php.ini support and get ready to kill HDF files
624 - Parse config files as ini files, unless filename contains '.hdf'
625 - Various fixes to Redis, JSON, SPL, DateTime, MySQLi, and others
626 - Remove C<T>Ref typedefs (use const T& now)
627 - JIT default on in command line mode
628 - gethostname() just returns what the syscall returns (Zend compat)
629 - HHBBC turned on in the build for facebook.com
631 "Fifty Cent" 3-Mar-2014
632 - Array parameter type constraints implicitly cast collections to arrays
633 - Fix issues with feof and fwrite
634 - Fix issues with sleep and inaccessible properties
635 - Dump a jemalloc pprod dump when a request hits OOM
636 - Make method_exists work with interface inheritance
637 - Fix crash in preg_replace with /e
638 - Support filename and content type in Curl uploads
640 - Handle relative paths in is_dir
641 - Add string conversion for array_fill_keys
642 - Implement various Imagick functionality
643 - Implement CUROPT_PROGRESSFUNCTION
644 - Implement PHP 5.6 __debugInfo() magic method
645 - Raise warnings when return type annotations mismatch
646 - Fix nested ArrayObject assignment
647 - Switch many ini settings to thread-time binding
648 - Clean up memory stat tracking
649 - Immutable collections are now prefixed with Imm instead of Fixed/Frozen
650 - Clean up type parameter for CheckType-related IR opcodes
651 - Remove legacy linear-scan register allocator and Eval.HHIRXls option
654 - reenabled jemalloc tcache flush for idle threads
655 - array_combine now performs __toString conversion on objects in $keys
656 - Allow streams in move_uploaded_file
657 - Fix a bug double closing a UserFile
658 - Warn when first arg to call_user_func is an object with no __invoke
659 - kill userland hdf functions
660 - Final method reports itself as final
661 - Implement IntlCalendar
662 - Disallow create_function in RepoAuthoritative mode
663 - Case-insensitive check for Accept-Encoding: gzip
665 "Donald Glover" 3-Feb-2014
666 - Support for "::class"
667 - Enable FCallBuiltin for HNI functions
668 - json_decode parity with PHP 5.4
669 - Fix race condition with profiling vs. non-profiling functions prologues
670 - Implement ini_get_all()
671 - Begin conversion of runtime options to INI
672 - Fix potential PGO-mode crash
673 - Fixes and enhancement in IR printing
674 - Vector and Set now supported by:
675 array_{shift,unshift,fill_keys,reverse,flip,size,chunk}, min, and max
676 - StableMap is now an alias for Map, which retains insertion order
677 - Map moved to HH namespace
678 - Fixes in XLS spilling of SIMD registers
679 - Support SCRIPT_FILENAME in FastCGI
680 - Implement stream_context_{get,set}_default
681 - Support for Intel VTune Amplifier XE
682 - Rewrite of SimpleXML
683 - Several HNI conversions, and a helper script
684 - Move Pair to HH namespace
685 - Fix get_included_files ordering
686 - Fix $_SERVER and $_ENV in FastCGI
687 - Update timelib to php 5.5.8
688 - Some dead code removal
692 - FastCGI fixes, perf improvements
693 - ext_zend_compat fixes
694 - Turn on XLS Register Allocator by default
695 - Fix server stats reporting
696 - 'num' scalar typehint that accepts both ints and floats
697 - fix support for typedef'd namespaces
698 - don't swallow fatals when autoloading
699 - Map collections learned the in-place retain() and retainWithKey()
700 - rename Set::difference() to Set::removeAll()
701 - Update Set to retain element insertion order
704 - FrozenMap collection
705 - Deprecated Vector|Set|Map::put() method removed
706 - == between Frozen{Vector|Set|Map} and {Vector|Set|Map} now can return true
708 "Beastie Boys" 6-Jan-2014
709 - Support lex-time binary constants (eg. 0b10111)
710 - StreamWrappers now support rmdir, mkdir, rename and unlink
711 - Miscellaneous PHP5 compatibility fixes
712 - Default StatCache to off
713 - Miscellaneous FastCGI fixes
714 - Miscellaneous region compiler fixes
715 - Map and StableMap collections use the same underlying implementation
716 - Trait requirements enforced
717 - hhprof performance improvements
718 - Add array to string conversion notice
719 - Add RaiseNotice IR opcode
720 - Fix VirtualHost.<name>.Pattern matching
721 - Fix various memory leaks (pdo_parse_params, Gen*WaitHandle)
722 - Import a lot more Zend tests that used to crash or hang
724 - XLS register allocation cleanup
725 - Enable region compiler by default for JIT functions in ahot
726 - Fatal on eval() in RepoAuthoritative mode
727 - Enable LTO for HHVM
728 - Fix a few SPL compatibility issues
730 "Appleseed" 23-Dec-2013
731 - Fix issues with DOCUMENT_ROOT in fastcgi
732 - Better type inference for collections and builtins in repo mode
733 - Shorter syntax for lambda expressions w/ automatic captures
734 - Parser support for trait require clauses
735 - Move FrozenVector and Set to the HH namespace
736 - Fix resource to array conversion
737 - Fix a request local memory leak in foreach of apc arrays
738 - Initial php_odbc API implementation
739 - Implement PHP's hash_copy() function
740 - Experimental tool: Memoization Opportunity Profiler
741 - Various small parity/behavior fixes (in phar, proc_open, filter_var)
742 - A Eval.DumpHhas=1 option to dump hhas for a php file
743 - Better warnings in Set::toArray
744 - Fix the behavior of foreach loops in finally blocks
745 - chmod -x runtime/vm/jit/*.{cpp,h}
746 - Changes to make hhvm build clean with clang-3.4
747 - Fix array_product to not be bug-compatible with PHP 5.2
748 - Change the Map datastructure---preserves order and does faster foreach
749 - FrozenSet collection
750 - Generate pid.map when we unmap text section, for the perf tool
751 - Implemented GlobIterator
752 - Implemented Reflection::export and Reflection::getModifierNames
755 - support date.timezone in ini files
757 - special comparisons for DateTime
758 - delete unimplemented functions
759 - support for the finally clause in try blocks
761 "Huarache" 26-Nov-2013
762 - Linker re-ordering of hot functions
763 - Huge pages for hot functions
764 - Implement ZipArchive
765 - preg_replace /e support
766 - get_mem_usage() no longer can be negative
767 - Userland file system support
768 - Implement fileinfo extension
770 - PDO::sqliteCreateFunction()
771 - Implement NumberFormatter
773 - Implement DatePeriod
774 - Many reflection fixes
776 - A ton of performance fixes
777 - A ton of open source framework fixes
778 - FastCGI Server Support
780 "Garlic Alfredo" 11-Nov-2013
781 - teach implode() about collections
782 - fix ini parsing leak
783 - Make array not an instanceof Traversable
785 "Burrito" 28-Oct-2013
786 - Initial support for using FastCGI
787 - Initial support for php.ini configuration files
788 - Log when a nullable (e.g. ?int) is incorrect
789 - Add support for collections to array_diff, array_diff_key, array_intersect,
791 - tc-print improvements and fixes
792 - Several debugger fixes
793 - More improvements to the experimental PHP extension compat layer
794 - Fixed how parse errors are handled by eval()
795 - Support custom reason for status header
796 - Emit better error message when hhvm's systemlib doesn't load properly
797 - Fixes / clarifications added to the bytecode specification
798 - Lots of other bug fixes, clean up, PHP compat fixes, and JIT improvements
800 "Sausage" 14-Oct-2013
801 - Direct invocation of callable arrays: $f = [$cls_or_obj, 'method']; $f()
803 - Support dynamically loadable extensions
804 - Support loading mini-systemlibs from extensions
806 "Tabasco" 30-Sep-2013
807 - Fix issues with __toString() functions that return non-string values
808 - Don't allow mock classes to extend collection classes
809 - Smarter memory allocation and scheduling for NUMA systems
810 - Improve profiler performance in the jit
811 - Fix several Zend compatibility issues
812 - Fix several bugs uncovered by ASAN
813 - Add collection support to array_keys, array_values, and array_combine
814 - Return a set-like array from Set::toArray
815 - Add to(Vector|Map|StableMap|Set) methods to collections
816 - Collections convert to boolean false when empty
817 - get_class_vars invokes the autoloader when necessary
818 - Rework the Zend compatibility layer to be more robust
819 - Allow traits to implement interfaces
820 - Support arbitrary expressions inside empty()
822 "Bobotie" 16-Sep-2013
823 - HNI (HipHop Native Interface) for calling C++ functions from PHP
824 - Fix PropertyAccessorMap::isset
825 - Expose more POSIX constants
826 - Fixed behavior of stream_get_contents when default args are used.
827 - Implement str_getcsv, and fix some fgetcsv related issues.
828 - [IPv6] Fix stream_socket_recvfrom & stream_socket_sendto.
829 - [IPv6] Fix socket_sentto_recvfrom_ipv6_udp Zend compatibility.
830 - Optimize closure invocation and __invoke (~3x faster to invoke)
831 - Import gettext extension
832 - string and object allocation optimizations (reduced memory usage for both)
833 - Import YAML extension
834 - Import ftp extension
837 - Fix order of custom attributes and visibility in ctor arg promotion
838 - Implement CachingIterator
839 - Implement RecursiveCachingIterator
840 - Generalized heuristic for choosing when to inline in the jit
841 - Introduced a Zend compatibility layer to compile extensions
842 - Imported calendar extension
843 - Use gcc-4.8.1 by default
844 - Improve hhvm command line parsing logic
845 - Fix register_shutdown in session_set_save_handler to match PHP 5.4
846 - Add "native" functions for use in Systemlib
847 - PHP extension source-compatitblility layer
848 - Fix ArrayIterator constructor PHP compatibility
849 - Enable building against libmemcached 1.0.8
850 - Debugger: $_ not cleared but still printed after exception
851 - Fix clone of SplPriorityQueue
852 - Debugger: Fix bugs when multiple threads hit the same breakpoint
853 - Fix several namespace bugs
854 - Several PHP compatibility fixes for ArrayObject and ArrayIterator
855 - Fix list assignment with collection literals
856 - support "tuple(...)" in initializer expressions
857 - HHVM should compile with libmemcached 1.0.9+
858 - Support "(new Vector {..})->method()" style syntax
859 - use trigger_error in PHP for Redis user errors
860 - multiple simplexml fixes
861 - fixed serialize/unserialize for SplObjectStorage
862 - Implement ReflectionParameter::IsCallable()
864 "Achiote" 19-Aug-2013
865 - Async stack traces in the debugger via the "wa" command
866 - Fix late static binding in static closures
867 - Fix breakpoints on generators
868 - Add SplObserver and SplSubject interfaces
869 - Update Iterable interface and add toArray() method
870 - Allow __get for undefined properties
871 - Implement get_included_files()
872 - Limit use of huge pages
874 "Churrasco" 05-Aug-2013
875 - Implement stream_is_local
876 - Implement read support for .phar
877 - Implement assert with string arguments
878 - Implement RecursiveArrayIterator
879 - Implement php_strip_whitespace()
880 - Support for timeouts in cli mode
881 - Closure allocation optimizations (~2x faster to allocate a closure)
882 - Implement Redis session handler
883 - New memory profiler, hhprof, with pprof compatible output
884 - Update isset($string[$k]) and empty($string[$k) to PHP 5.5 semantics
885 - Fixed a few parser bugs
886 - Fixed a few bugs with token_get_all()
887 - Fix (string)$obj semantics when __toString() is not defined
890 - Optimize vector-shaped Arrays (arrays with keys in range 0..size-1)
891 - Enable HHBC by default in debug builds
892 - Implement SplObjectStorage::getInfo()
893 - Initial rough draft of xhpast2, a replacement for xhpast
894 - fix compilation on Ubuntu 13.04
895 - OSX changes, next round
896 - Modify PHP's ext/standard/math/tests/(pow|abs).phpt to be HHVM friendly
897 - add XHP comment syntax based on http://www.w3.org/TR/REC-xml/#sec-comments
899 "Wasabi Peas" 08-Jul-2013
900 - always_assert when we run out of TC space
901 - Initial changes to get HHVM compiling on OSX
902 - Consolidate ObjectData and Instance
903 - Prototype heap tracing framework & Heap profiler
904 - Better JIT code generation for Mod and Div
905 - Fixes to enable compilation with clang
906 - Support for yield k => v
907 - Make HHVM's command line parsing closer to PHP
908 - Implement Redis extension
909 - Implement LimitIterator from SPL
910 - add SessionHandler from PHP 5.4
911 - Numerous Debugger fixes and new developer docs for Debugger
912 - Ported many extension tests to PHP