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ChangeLog
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2015-09-01: Version 4.7.21
Performance and stability improvements on all platforms.
2015-09-01: Version 4.7.20
Fix CPU profiler deadlock on Windows + AMD CPU (Chromium issue 521420).
Performance and stability improvements on all platforms.
2015-09-01: Version 4.7.19
Postpone interrupts while dipatching debugger events to listeners
(Chromium issue 520702).
Make Date.prototype an ordinary object (issue 4004).
Performance and stability improvements on all platforms.
2015-08-31: Version 4.7.18
Performance and stability improvements on all platforms.
2015-08-31: Version 4.7.17
Performance and stability improvements on all platforms.
2015-08-29: Version 4.7.16
Propagate switch statement value for 'eval' (issue 4399).
Performance and stability improvements on all platforms.
2015-08-29: Version 4.7.15
Ensure hole checks take place in switch statement scopes (issue 3926).
Sloppy-mode let parsing (issue 3305).
Performance and stability improvements on all platforms.
2015-08-28: Version 4.7.14
[es6] Implement spec compliant ToPrimitive in the runtime (issue 4307).
Performance and stability improvements on all platforms.
2015-08-28: Version 4.7.13
Performance and stability improvements on all platforms.
2015-08-28: Version 4.7.12
[V8] Report JSON parser script to DevTools (Chromium issue 515382).
Performance and stability improvements on all platforms.
2015-08-27: Version 4.7.11
Performance and stability improvements on all platforms.
2015-08-27: Version 4.7.10
Performance and stability improvements on all platforms.
2015-08-27: Version 4.7.9
Parse arrow functions at proper precedence level (issue 4211).
Performance and stability improvements on all platforms.
2015-08-26: Version 4.7.8
Performance and stability improvements on all platforms.
2015-08-26: Version 4.7.7
[es6] Fix computed property names in nested literals (issue 4387).
Performance and stability improvements on all platforms.
2015-08-26: Version 4.7.6
[simd.js] Update to spec version 0.8.2 (issue 4124).
Performance and stability improvements on all platforms.
2015-08-25: Version 4.7.5
Performance and stability improvements on all platforms.
2015-08-25: Version 4.7.4
[crankshaft] DCE must not eliminate (observable) math operations (issue
4389).
Correctify instanceof and make it optimizable (issue 4376).
Add a separate scope for switch (issue 4377).
Ship --harmony_array_includes (issue 3575).
Unship arrow functions (issue 4211).
Performance and stability improvements on all platforms.
2015-08-24: Version 4.7.3
[simd.js] Update to spec version 0.8.2 (issue 4124).
Performance and stability improvements on all platforms.
2015-08-24: Version 4.7.2
Fix function scoping issue (Chromium issue 520029).
Add a separate scope for switch (issue 4377).
Parse arrow functions at proper precedence level (issue 4211).
Performance and stability improvements on all platforms.
2015-08-22: Version 4.7.1
Fix parsing of arrow function formal parameters (issue 4211).
Performance and stability improvements on all platforms.
2015-08-21: Version 4.6.88
Performance and stability improvements on all platforms.
2015-08-20: Version 4.6.87
Performance and stability improvements on all platforms.
2015-08-20: Version 4.6.86
Add experimental, non-snapshotted V8 extras (Chromium issue 507137).
Performance and stability improvements on all platforms.
2015-08-19: Version 4.6.85
Performance and stability improvements on all platforms.
2015-08-19: Version 4.6.84
Performance and stability improvements on all platforms.
2015-08-19: Version 4.6.83
Performance and stability improvements on all platforms.
2015-08-18: Version 4.6.82
Performance and stability improvements on all platforms.
2015-08-18: Version 4.6.81
Performance and stability improvements on all platforms.
2015-08-18: Version 4.6.80
Filter out slot buffer slots, that point to SMIs in dead objects
(Chromium issues 454297, 519577).
Performance and stability improvements on all platforms.
2015-08-17: Version 4.6.79
Performance and stability improvements on all platforms.
2015-08-17: Version 4.6.78
Put V8 extras into the snapshot.
Performance and stability improvements on all platforms.
2015-08-15: Version 4.6.77
Performance and stability improvements on all platforms.
2015-08-14: Version 4.6.76
Performance and stability improvements on all platforms.
2015-08-14: Version 4.6.75
Performance and stability improvements on all platforms.
2015-08-14: Version 4.6.74
Performance and stability improvements on all platforms.
2015-08-13: Version 4.6.73
Performance and stability improvements on all platforms.
2015-08-13: Version 4.6.72
Stage sloppy classes (issue 3305).
Performance and stability improvements on all platforms.
2015-08-13: Version 4.6.71
Performance and stability improvements on all platforms.
2015-08-12: Version 4.6.70
Performance and stability improvements on all platforms.
2015-08-12: Version 4.6.69
Stage --harmony-array-includes (issue 3575).
Performance and stability improvements on all platforms.
2015-08-12: Version 4.6.68
Use a new lexical context for sloppy-mode eval (issue 4288).
Add includes method to typed arrays (issue 3575).
Performance and stability improvements on all platforms.
2015-08-11: Version 4.6.67
Performance and stability improvements on all platforms.
2015-08-11: Version 4.6.66
Performance and stability improvements on all platforms.
2015-08-11: Version 4.6.65
Performance and stability improvements on all platforms.
2015-08-10: Version 4.6.64
Disable --global-var-shortcuts (Chromium issue 517778).
Performance and stability improvements on all platforms.
2015-08-10: Version 4.6.63
Performance and stability improvements on all platforms.
2015-08-09: Version 4.6.62
Performance and stability improvements on all platforms.
2015-08-08: Version 4.6.61
Performance and stability improvements on all platforms.
2015-08-08: Version 4.6.60
[IC] Make SeededNumberDictionary::UpdateMaxNumberKey prototype aware
(issue 4335).
Performance and stability improvements on all platforms.
2015-08-08: Version 4.6.59
Performance and stability improvements on all platforms.
2015-08-07: Version 4.6.58
Performance and stability improvements on all platforms.
2015-08-07: Version 4.6.57
Rename "extras exports" to "extras binding" (Chromium issue 507133).
Performance and stability improvements on all platforms.
2015-08-07: Version 4.6.56
Performance and stability improvements on all platforms.
2015-08-06: Version 4.6.55
Fix off-by-one in Array.concat's max index check (Chromium issue
516592).
Performance and stability improvements on all platforms.
2015-08-06: Version 4.6.54
Performance and stability improvements on all platforms.
2015-08-06: Version 4.6.53
Performance and stability improvements on all platforms.
2015-08-05: Version 4.6.52
Ship --harmony-new-target (issue 3887).
Performance and stability improvements on all platforms.
2015-08-04: Version 4.6.51
Performance and stability improvements on all platforms.
2015-08-04: Version 4.6.50
Performance and stability improvements on all platforms.
2015-08-03: Version 4.6.49
SIMD.js Add the other SIMD Phase 1 types (issue 4124).
Performance and stability improvements on all platforms.
2015-08-03: Version 4.6.48
Performance and stability improvements on all platforms.
2015-08-03: Version 4.6.47
Performance and stability improvements on all platforms.
2015-08-01: Version 4.6.46
Performance and stability improvements on all platforms.
2015-08-01: Version 4.6.45
Performance and stability improvements on all platforms.
2015-08-01: Version 4.6.44
Performance and stability improvements on all platforms.
2015-07-31: Version 4.6.43
Performance and stability improvements on all platforms.
2015-07-31: Version 4.6.42
Performance and stability improvements on all platforms.
2015-07-31: Version 4.6.41
Performance and stability improvements on all platforms.
2015-07-30: Version 4.6.40
Pass the kGCCallbackFlagForced flag when invoking
Heap::CollectAllGarbage from AdjustAmountOfExternalAllocatedMemory
(Chromium issue 511294).
Performance and stability improvements on all platforms.
2015-07-30: Version 4.6.39
Performance and stability improvements on all platforms.
2015-07-30: Version 4.6.38
Performance and stability improvements on all platforms.
2015-07-29: Version 4.6.37
Performance and stability improvements on all platforms.
2015-07-28: Version 4.6.36
Fix prototype registration upon SlowToFast migration (Chromium issue
513602).
Bugfix: Incorrect type feedback vector structure on recompile (Chromium
issue 514526).
Reland of "Remove ExternalArray, derived types, and element kinds"
(issue 3996).
Performance and stability improvements on all platforms.
2015-07-28: Version 4.6.35
Performance and stability improvements on all platforms.
2015-07-28: Version 4.6.34
Remove ExternalArray, derived types, and element kinds (issue 3996).
Make V8 compile with MSVS 2015 (issue 4326).
Performance and stability improvements on all platforms.
2015-07-27: Version 4.6.33
Performance and stability improvements on all platforms.
2015-07-26: Version 4.6.32
Performance and stability improvements on all platforms.
2015-07-25: Version 4.6.31
Performance and stability improvements on all platforms.
2015-07-25: Version 4.6.30
Make dates default to the local timezone if none specified (issue 4242,
Chromium issue 391730).
Performance and stability improvements on all platforms.
2015-07-24: Version 4.6.29
Performance and stability improvements on all platforms.
2015-07-24: Version 4.6.28
Performance and stability improvements on all platforms.
2015-07-23: Version 4.6.27
Fix check for a date with a 24th hour (Chromium issue 174609).
Performance and stability improvements on all platforms.
2015-07-23: Version 4.6.26
Performance and stability improvements on all platforms.
2015-07-22: Version 4.6.25
Performance and stability improvements on all platforms.
2015-07-22: Version 4.6.24
Performance and stability improvements on all platforms.
2015-07-22: Version 4.6.23
Performance and stability improvements on all platforms.
2015-07-21: Version 4.6.22
Performance and stability improvements on all platforms.
2015-07-21: Version 4.6.21
Performance and stability improvements on all platforms.
2015-07-21: Version 4.6.20
Don't run the second pass of the pending phantom callbacks if the heap
has been torn down (Chromium issue 511204).
Debugger: prepare code for debugging on a per-function basis (issue
4132).
Performance and stability improvements on all platforms.
2015-07-20: Version 4.6.19
Performance and stability improvements on all platforms.
2015-07-20: Version 4.6.18
Performance and stability improvements on all platforms.
2015-07-19: Version 4.6.17
Performance and stability improvements on all platforms.
2015-07-18: Version 4.6.16
Performance and stability improvements on all platforms.
2015-07-18: Version 4.6.15
Make NumberFormat use the ICU currency data, fix bug in NumberFormat
(Chromium issues 304722, 435465, 473104).
Properly fix enumerate / Object.keys wrt access checked objects
(Chromium issue 509936).
Fix object enumeration wrt access checked objects (Chromium issue
509936).
Fix DefineOwnProperty for data properties wrt failed access checks
(Chromium issue 509936).
Fix GetOwnPropertyNames on access-checked objects (Chromium issue
509936).
Fix getPrototypeOf for access checked objects (Chromium issue 509936).
Delete APIs deprecated since last release.
Performance and stability improvements on all platforms.
2015-07-17: Version 4.6.14
Array.prototype.reverse should call [[HasProperty]] on elements before
[[Get]] (issue 4223).
In RegExp, lastIndex is read with ToLength, not ToInteger (issue 4244).
Stage --harmony-new-target (issue 3887).
Re-ship harmony spread calls and spread arrays (issue 3018).
Expose SIMD.Float32x4 type to Javascript. This CL exposes the
constructor function, defines type related information, and implements
value type semantics. It also refactors test/mjsunit/samevalue.js to
test SameValue and SameValueZero (issue 4124).
Performance and stability improvements on all platforms.
2015-07-17: Version 4.6.13
Performance and stability improvements on all platforms.
2015-07-16: Version 4.6.12
Performance and stability improvements on all platforms.
2015-07-16: Version 4.6.11
Performance and stability improvements on all platforms.
2015-07-16: Version 4.6.10
Expose SIMD.Float32x4 type to Javascript. This CL exposes the
constructor function, defines type related information, and implements
value type semantics. It also refactors test/mjsunit/samevalue.js to
test SameValue and SameValueZero (issue 4124).
Fix runtime-atomics for Win 10 SDK and remove volatile (Chromium issues
440500, 491424).
Performance and stability improvements on all platforms.
2015-07-15: Version 4.6.9
Let the second pass phantom callbacks run in a separate task on the
foreground thread.
Performance and stability improvements on all platforms.
2015-07-15: Version 4.6.8
Optimize String.prototype.includes (issue 3807).
Unship spread calls and spread arrays (issue 4298).
Performance and stability improvements on all platforms.
2015-07-15: Version 4.6.7
Performance and stability improvements on all platforms.
2015-07-14: Version 4.6.6
Performance and stability improvements on all platforms.
2015-07-14: Version 4.6.5
Performance and stability improvements on all platforms.
2015-07-14: Version 4.6.4
MIPS64: Fix BlockTrampolinePoolFor() to emit trampoline before blocking,
if needed (issue 4294).
Add convenience method for converting v8::PersistentBase to v8::Local.
Performance and stability improvements on all platforms.
2015-07-13: Version 4.6.3
MIPS: Fix BlockTrampolinePoolFor() to emit trampoline before blocking,
if needed (issue 4294).
Performance and stability improvements on all platforms.
2015-07-13: Version 4.6.2
[arm] CheckConstPool between TurboFan instructions (issue 4292).
Fix keyed access of primitive objects in the runtime. For now it uses a
pretty slow path for accessing strings by wrapping it into a new
temporary wrapper (issues 3088, 4042).
Performance and stability improvements on all platforms.
2015-07-12: Version 4.6.1
Performance and stability improvements on all platforms.
2015-07-09: Version 4.5.107
[arm] Don't call branch_offset within CheckConstPool (issue 4292).
[arm] Fix missing CheckBuffer for branches (issue 4292).
Performance and stability improvements on all platforms.
2015-07-09: Version 4.5.106
Performance and stability improvements on all platforms.
2015-07-09: Version 4.5.105
Guard @@isConcatSpreadable behind a flag (Chromium issue 507553).
Performance and stability improvements on all platforms.
2015-07-08: Version 4.5.104
[x64] Fix handling of Smi constants in LSubI and LBitI (Chromium issue
478612).
Performance and stability improvements on all platforms.
2015-07-08: Version 4.5.103
Performance and stability improvements on all platforms.
2015-07-08: Version 4.5.102
Performance and stability improvements on all platforms.
2015-07-07: Version 4.5.101
Move compatible receiver check from CompileHandler to UpdateCaches
(Chromium issue 505374).
Performance and stability improvements on all platforms.
2015-07-07: Version 4.5.100
Performance and stability improvements on all platforms.
2015-07-07: Version 4.5.99
unicode-decoder: fix out-of-band write in utf16 (issue 4274).
Performance and stability improvements on all platforms.
2015-07-06: Version 4.5.98
Performance and stability improvements on all platforms.
2015-07-04: Version 4.5.97
Performance and stability improvements on all platforms.
2015-07-03: Version 4.5.96
Performance and stability improvements on all platforms.
2015-07-03: Version 4.5.95
Performance and stability improvements on all platforms.
2015-07-02: Version 4.5.94
Performance and stability improvements on all platforms.
2015-07-02: Version 4.5.93
Include Harmony Array/TypedArray methods unconditionally (Chromium issue
504629).
Performance and stability improvements on all platforms.
2015-07-02: Version 4.5.92
Performance and stability improvements on all platforms.
2015-07-01: Version 4.5.91
Performance and stability improvements on all platforms.
2015-07-01: Version 4.5.90
Performance and stability improvements on all platforms.
2015-07-01: Version 4.5.89
Performance and stability improvements on all platforms.
2015-06-30: Version 4.5.88
Performance and stability improvements on all platforms.
2015-06-30: Version 4.5.87
Performance and stability improvements on all platforms.
2015-06-30: Version 4.5.86
Ensure mjsunit tests use dashes not underscores in flags directives
(Chromium issue 505228).
Performance and stability improvements on all platforms.
2015-06-29: Version 4.5.85
Fix flag convention in handle count tests and comment (Chromium issue
505228).
Performance and stability improvements on all platforms.
2015-06-29: Version 4.5.84
Performance and stability improvements on all platforms.
2015-06-27: Version 4.5.83
Performance and stability improvements on all platforms.
2015-06-26: Version 4.5.82
Performance and stability improvements on all platforms.
2015-06-26: Version 4.5.81
Remove obsolete options in ScriptCompiler::CompileOptions (Chromium
issue 399580).
Performance and stability improvements on all platforms.
2015-06-25: Version 4.5.80
Performance and stability improvements on all platforms.
2015-06-25: Version 4.5.79
Performance and stability improvements on all platforms.
2015-06-25: Version 4.5.78
Serializer: clear next link in weak cells (Chromium issue 503552).
Performance and stability improvements on all platforms.
2015-06-24: Version 4.5.77
Performance and stability improvements on all platforms.
2015-06-24: Version 4.5.76
Performance and stability improvements on all platforms.
2015-06-24: Version 4.5.75
Date() should not depend on Date.prototype.toString (issue 4225).
Performance and stability improvements on all platforms.
2015-06-23: Version 4.5.74
Expose Map/Set methods through the API (issue 3340).
[turbofan] NaN is never truish (issue 4207).
Performance and stability improvements on all platforms.
2015-06-23: Version 4.5.73
Re-ship Harmony Array/TypedArray methods (issue 3578).
Performance and stability improvements on all platforms.
2015-06-23: Version 4.5.72
Performance and stability improvements on all platforms.
2015-06-23: Version 4.5.71
Performance and stability improvements on all platforms.
2015-06-20: Version 4.5.70
Ship Harmony Array/TypedArray methods (issue 3578).
Performance and stability improvements on all platforms.
2015-06-20: Version 4.5.69
Ship arrow functions (issue 2700).
Performance and stability improvements on all platforms.
2015-06-19: Version 4.5.68
Performance and stability improvements on all platforms.
2015-06-19: Version 4.5.67
Performance and stability improvements on all platforms.
2015-06-19: Version 4.5.66
Ship arrow functions (issue 2700).
Performance and stability improvements on all platforms.
2015-06-18: Version 4.5.65
Performance and stability improvements on all platforms.
2015-06-18: Version 4.5.64
Performance and stability improvements on all platforms.
2015-06-18: Version 4.5.63
Performance and stability improvements on all platforms.
2015-06-17: Version 4.5.62
Hydrogen object literals: always initialize in-object properties
(Chromium issue 500497).
Performance and stability improvements on all platforms.
2015-06-17: Version 4.5.61
Add %TypedArray% to proto chain (issue 4085).
Performance and stability improvements on all platforms.
2015-06-17: Version 4.5.60
Performance and stability improvements on all platforms.
2015-06-17: Version 4.5.59
[crankshaft] Fix wrong bailout points in for-in loop body (Chromium
issue 500435).