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2015-02-17: Version 4.2.73
Performance and stability improvements on all platforms.
2015-02-17: Version 4.2.72
[turbofan] Fix control reducer with re-reducing branches (Chromium issue
458876).
Performance and stability improvements on all platforms.
2015-02-16: Version 4.2.71
Implement ES6 rest parameters (issue 2159).
Performance and stability improvements on all platforms.
2015-02-13: Version 4.2.70
new classes: no longer experimental (issue 3834).
Make it possible to define arguments for CompileFunctionInContext.
Performance and stability improvements on all platforms.
2015-02-12: Version 4.2.69
Performance and stability improvements on all platforms.
2015-02-11: Version 4.2.68
Performance and stability improvements on all platforms.
2015-02-11: Version 4.2.67
Throw on range error when creating a string via API (issue 3853).
Performance and stability improvements on all platforms.
2015-02-11: Version 4.2.66
Performance and stability improvements on all platforms.
2015-02-10: Version 4.2.65
Performance and stability improvements on all platforms.
2015-02-10: Version 4.2.64
Performance and stability improvements on all platforms.
2015-02-10: Version 4.2.63
Introduce a compile method that takes context extensions (Chromium issue
456192).
Performance and stability improvements on all platforms.
2015-02-09: Version 4.2.62
Performance and stability improvements on all platforms.
2015-02-09: Version 4.2.61
Performance and stability improvements on all platforms.
2015-02-07: Version 4.2.60
Performance and stability improvements on all platforms.
2015-02-07: Version 4.2.59
Performance and stability improvements on all platforms.
2015-02-07: Version 4.2.58
Performance and stability improvements on all platforms.
2015-02-06: Version 4.2.57
Performance and stability improvements on all platforms.
2015-02-06: Version 4.2.56
Performance and stability improvements on all platforms.
2015-02-06: Version 4.2.55
Protect against uninitialized lexical variables at top-level (Chromium
issue 452510).
Performance and stability improvements on all platforms.
2015-02-05: Version 4.2.54
Fix HConstant(double, ...) constructor (issue 3865).
Add NativeWeakMap to v8.h (Chromium issue 437416).
Performance and stability improvements on all platforms.
2015-02-05: Version 4.2.53
Fix issue with multiple properties and emit store (issue 3856).
Class methods should be non enumerable (issue 3330).
Performance and stability improvements on all platforms.
2015-02-04: Version 4.2.52
Add WeakKeyMap to v8.h (Chromium issue 437416).
Performance and stability improvements on all platforms.
2015-02-04: Version 4.2.51
Performance and stability improvements on all platforms.
2015-02-03: Version 4.2.50
Reset inlining limits due to overly long compilation times in
Speedometer, Dart2JS (Chromium issue 454625).
Add WeakMap to v8.h (Chromium issue 437416).
[V8] Added line, column and script symbols for SyntaxError (Chromium
issue 443140).
Performance and stability improvements on all platforms.
2015-02-03: Version 4.2.49
Compute the same hash for all NaN values (issue 3859).
Performance and stability improvements on all platforms.
2015-02-03: Version 4.2.48
Performance and stability improvements on all platforms.
2015-02-02: Version 4.2.47
Check global object behind global proxy for extensibility (Chromium
issue 454091).
Performance and stability improvements on all platforms.
2015-02-02: Version 4.2.46
Performance and stability improvements on all platforms.
2015-02-02: Version 4.2.45
Performance and stability improvements on all platforms.
2015-02-01: Version 4.2.44
Performance and stability improvements on all platforms.
2015-02-01: Version 4.2.43
Performance and stability improvements on all platforms.
2015-01-31: Version 4.2.42
Performance and stability improvements on all platforms.
2015-01-31: Version 4.2.41
Layout descriptor sharing issue fixed (issue 3832, Chromium issue
437713).
Performance and stability improvements on all platforms.
2015-01-30: Version 4.2.40
Performance and stability improvements on all platforms.
2015-01-30: Version 4.2.38
Move object literal checking into checker classes (issue 3819).
[turbofan] Fix OSR compilations of for-in.
Performance and stability improvements on all platforms.
2015-01-30: Version 4.2.37
Do not create unresolved variables when parsing arrow functions lazily
(issue 3501).
Performance and stability improvements on all platforms.
2015-01-29: Version 4.2.36
Performance and stability improvements on all platforms.
2015-01-29: Version 4.2.35
Performance and stability improvements on all platforms.
2015-01-28: Version 4.2.34
Performance and stability improvements on all platforms.
2015-01-28: Version 4.2.33
Performance and stability improvements on all platforms.
2015-01-27: Version 4.2.32
Do not generalize field representations when making elements kind or
observed transition (Chromium issue 448711).
Performance and stability improvements on all platforms.
2015-01-27: Version 4.2.31
[x86] Disable AVX unless the operating system explicitly claims to
support it (issue 3846, Chromium issue 452033).
Performance and stability improvements on all platforms.
2015-01-27: Version 4.2.30
Performance and stability improvements on all platforms.
2015-01-26: Version 4.2.29
MIPS: Fixed Hydrogen environment handling for mul-i ARM and ARM64 (issue
451322).
[turbofan] Simplify reduction if IfTrue and IfFalse and fix bugs
(Chromium issue 451958).
Add HeapNumber fast path to v8::Value::{Uint,Int}32Value() (Chromium
issue 446097).
Performance and stability improvements on all platforms.
2015-01-26: Version 4.2.28
Fixed Hydrogen environment handling for mul-i on ARM and ARM64 (issue
451322).
Performance and stability improvements on all platforms.
2015-01-25: Version 4.2.27
Performance and stability improvements on all platforms.
2015-01-24: Version 4.2.26
ES6 Array.prototype.toString falls back on Object.prototype.toString if
method "join" is not callable (issue 3793).
Performance and stability improvements on all platforms.
2015-01-23: Version 4.2.25
Performance and stability improvements on all platforms.
2015-01-23: Version 4.2.24
Performance and stability improvements on all platforms.
2015-01-23: Version 4.2.23
[x86] Blacklist AVX for Windows versions before 6.1 (Windows 7) (issue
3846).
Performance and stability improvements on all platforms.
2015-01-23: Version 4.2.22
Fix run-time ARMv6 detection (issue 3844).
Support concatenating with zero-size arrays with DICTIONARY_ELEMENTS in
Runtime_ArrayConcat (Chromium issue 450895).
Performance and stability improvements on all platforms.
2015-01-22: Version 4.2.21
Performance and stability improvements on all platforms.
2015-01-22: Version 4.2.20
Add a pretty printer to improve the error message non-function calls
(Chromium issue 259443).
Remove implicit uint8_t to char cast in string replace (Chromium issue
446196).
Performance and stability improvements on all platforms.
2015-01-21: Version 4.2.19
Performance and stability improvements on all platforms.
2015-01-20: Version 4.2.18
Fix issue with __proto__ when using ES6 object literals (issue 3818).
Performance and stability improvements on all platforms.
2015-01-20: Version 4.2.17
Performance and stability improvements on all platforms.
2015-01-20: Version 4.2.16
Performance and stability improvements on all platforms.
2015-01-19: Version 4.2.15
Unobscurified OFStream (Chromium issue 448102).
Performance and stability improvements on all platforms.
2015-01-19: Version 4.2.14
Performance and stability improvements on all platforms.
2015-01-18: Version 4.2.13
Performance and stability improvements on all platforms.
2015-01-18: Version 4.2.12
Performance and stability improvements on all platforms.
2015-01-17: Version 4.2.11
Performance and stability improvements on all platforms.
2015-01-16: Version 4.2.10
Performance and stability improvements on all platforms.
2015-01-16: Version 4.2.9
MIPS: ES6 computed property names (issue 3754).
ES6 computed property names (issue 3754).
Performance and stability improvements on all platforms.
2015-01-15: Version 4.2.8
Performance and stability improvements on all platforms.
2015-01-15: Version 4.2.7
Performance and stability improvements on all platforms.
2015-01-15: Version 4.2.6
Performance and stability improvements on all platforms.
2015-01-15: Version 4.2.5
Performance and stability improvements on all platforms.
2015-01-14: Version 4.2.4
Auto-generate v8 version based on tags (Chromium issue 446166).
Remove support for signatures with arguments.
Add proper support for proxies to HType (Chromium issue 448730).
[turbofan] Fix truncation/representation sloppiness wrt. bool/bit (issue
3812).
Performance and stability improvements on all platforms.
2015-01-14: Version 4.2.3
Performance and stability improvements on all platforms.
2015-01-14: Version 4.2.2
Performance and stability improvements on all platforms.
2015-01-14: Version 4.2.1
Map -0 to integer 0 for typed array constructors (Chromium issue
447756).
Introduce a gyp variable to control whether or not slow dchecks are on.
Correctly setup the freelist of the coderange on Win64 (Chromium issue
447555).
Fast forward V8 to version 4.2.
Remove "extra checks".
Performance and stability improvements on all platforms.
2015-01-08: Version 3.32.7
Correctly parse line ends for debugging (issue 2825).
Fixed printing during DCE (issue 3679).
Performance and stability improvements on all platforms.
2015-01-08: Version 3.32.6
Performance and stability improvements on all platforms.
2015-01-08: Version 3.32.5
Correct handling of exceptions occured during getting of exception stack
trace (Chromium issue 444805).
Fix bug in Runtime_CompileOptimized resulting from stack overflow
(Chromium issue 446774).
Turn on job-based recompilation (issue 3608).
Performance and stability improvements on all platforms.
2015-01-07: Version 3.32.4
Performance and stability improvements on all platforms.
2015-01-07: Version 3.32.3
Performance and stability improvements on all platforms.
2015-01-07: Version 3.32.2
Performance and stability improvements on all platforms.
2015-01-07: Version 3.32.1
[turbofan] Don't crash when typing load from a Uint8ClampedArray
(Chromium issue 446156).
[turbofan] Truncation of Bit/Word8/16 to Word32 is a no-op (Chromium
issue 445859).
[x64] Rearrange code for OOB integer loads (Chromium issue 445858).
Fix %NeverOptimizeFunction() intrinsic (Chromium issue 445732).
[turbofan] Fix invalid bounds check with overflowing offset (Chromium
issue 445267).
[turbofan] Raise max virtual registers and call parameter limit (issue
3786).
Performance and stability improvements on all platforms.
2014-12-23: Version 3.31.74
[turbofan] Turn DCHECK for fixed slot index into a CHECK (Chromium issue
444681).
Performance and stability improvements on all platforms.
2014-12-23: Version 3.31.73
[turbofan] Fix missing ChangeUint32ToUint64 in lowering of LoadBuffer
(Chromium issue 444695).
Enable the embedder to specify what kind of context was disposed.
Performance and stability improvements on all platforms.
2014-12-22: Version 3.31.72
[turbofan] Correctify lowering of Uint8ClampedArray buffer access
(Chromium issue 444508).
Performance and stability improvements on all platforms.
2014-12-20: Version 3.31.71
Performance and stability improvements on all platforms.
2014-12-20: Version 3.31.70
Performance and stability improvements on all platforms.
2014-12-20: Version 3.31.69
Performance and stability improvements on all platforms.
2014-12-19: Version 3.31.68
[turbofan] Fix unsafe out-of-bounds check for checked loads/stores
(Chromium issue 443744).
Performance and stability improvements on all platforms.
2014-12-19: Version 3.31.67
Performance and stability improvements on all platforms.
2014-12-19: Version 3.31.66
Ship ES6 template literals (issue 3230).
Performance and stability improvements on all platforms.
2014-12-18: Version 3.31.65
ES6 template literals should not use legacy octal strings (issue 3736).
Performance and stability improvements on all platforms.
2014-12-18: Version 3.31.64
Fixed -fsanitize=float-cast-overflow problems (issue 3773).
Performance and stability improvements on all platforms.
2014-12-18: Version 3.31.63
ES6 computed property names (issue 3754).
Performance and stability improvements on all platforms.
2014-12-17: Version 3.31.62
Performance and stability improvements on all platforms.
2014-12-17: Version 3.31.61
ES6: Update unscopables to match spec (issue 3632).
ES6 computed property names (issue 3754).
More -fsanitize=vptr fixes (Chromium issue 441099).
[turbofan] Cache conversions inserted during typed lowering (issue
3763).
Performance and stability improvements on all platforms.
2014-12-16: Version 3.31.60
Performance and stability improvements on all platforms.
2014-12-16: Version 3.31.59
Performance and stability improvements on all platforms.
2014-12-16: Version 3.31.58
Ship ES6 classes (issue 3330).
ES6 computed property names (issue 3754).
Performance and stability improvements on all platforms.
2014-12-12: Version 3.31.57
Consistently use only one of virtual/OVERRIDE/FINAL (issue 3753).
Performance and stability improvements on all platforms.
2014-12-12: Version 3.31.56
Performance and stability improvements on all platforms.
2014-12-12: Version 3.31.55
Performance and stability improvements on all platforms.
2014-12-11: Version 3.31.54
Implement Array.from() (issue 3336).
move v8_use_external_startup_data to standalone.gypi (Chromium issue
421063).
Performance and stability improvements on all platforms.
2014-12-11: Version 3.31.53
Performance and stability improvements on all platforms.
2014-12-11: Version 3.31.52
Ship ES6 block scoping (issue 2198).
Optimize Object.seal and Object.preventExtensions (issue 3662, Chromium
issue 115960).
Add Array.prototype.includes (issue 3575).
Performance and stability improvements on all platforms.
2014-12-10: Version 3.31.51
[x64] Fix optimization for certain checked load/stores (Chromium issue
439743).
Performance and stability improvements on all platforms.
2014-12-09: Version 3.31.50
Temporarily restore make dependencies.
Performance and stability improvements on all platforms.
2014-12-09: Version 3.31.49
Performance and stability improvements on all platforms.
2014-12-09: Version 3.31.48
Performance and stability improvements on all platforms.
2014-12-09: Version 3.31.47
Temporarily restore make dependencies.
Performance and stability improvements on all platforms.
2014-12-08: Version 3.31.46
Performance and stability improvements on all platforms.
2014-12-08: Version 3.31.45
Update all DEPS to match chromium's DEPS at edb488e.
Turn on DCHECKs and other debugging code if dcheck_always_on is 1 (issue
3731).
Optimize GetPrototype.
Performance and stability improvements on all platforms.
2014-12-05: Version 3.31.44
Performance and stability improvements on all platforms.
2014-12-04: Version 3.31.43
ES6 template literals: Fix issue with template after rbrace (issue
3734).
Stage ES6 template literals (issue 3230).
Performance and stability improvements on all platforms.
2014-12-04: Version 3.31.42
Performance and stability improvements on all platforms.
2014-12-04: Version 3.31.41
Simplify template literal raw string creation (issue 3710).
Performance and stability improvements on all platforms.
2014-12-03: Version 3.31.40
Performance and stability improvements on all platforms.
2014-12-03: Version 3.31.39
Performance and stability improvements on all platforms.
2014-12-03: Version 3.31.38
Stage ES6 classes and object literal extensions (issue 3330).
Fixed environment handling for LFlooringDivI on ARM (Chromium issue
437765).
Add GetIdentityHash to v8::Name object API (Chromium issue 437416).
Set V8_CC_GNU or V8_CC_MSVC for clang in gcc / cl mode (Chromium issue
82385).
Performance and stability improvements on all platforms.
2014-12-02: Version 3.31.37
Performance and stability improvements on all platforms.
2014-12-02: Version 3.31.36
Set V8_CC_GNU or V8_CC_MSVC for clang in gcc / cl mode (Chromium issue
82385).
Performance and stability improvements on all platforms.
2014-12-02: Version 3.31.35
Performance and stability improvements on all platforms.
2014-12-01: Version 3.31.34
Performance and stability improvements on all platforms.
2014-12-01: Version 3.31.33
Performance and stability improvements on all platforms.
2014-12-01: Version 3.31.32
Performance and stability improvements on all platforms.
2014-12-01: Version 3.31.31
Performance and stability improvements on all platforms.
2014-11-29: Version 3.31.30
Performance and stability improvements on all platforms.
2014-11-28: Version 3.31.29
Stage @@toStringTag (--harmony-tostring).
Performance and stability improvements on all platforms.
2014-11-28: Version 3.31.28
Performance and stability improvements on all platforms.
2014-11-28: Version 3.31.27
Ship harmony-strings.
Performance and stability improvements on all platforms.
2014-11-28: Version 3.31.26
Abort optimization in corner case (Chromium issue 436893).
Performance and stability improvements on all platforms.
2014-11-26: Version 3.31.25
Stage ES6 block scoping (issue 2198).
Introduce legacy const slots in correct context (Chromium issue 410030).
Performance and stability improvements on all platforms.
2014-11-26: Version 3.31.24
Performance and stability improvements on all platforms.
2014-11-25: Version 3.31.23
Performance and stability improvements on all platforms.
2014-11-25: Version 3.31.22
Performance and stability improvements on all platforms.
2014-11-24: Version 3.31.21
Performance and stability improvements on all platforms.
2014-11-24: Version 3.31.20
Performance and stability improvements on all platforms.
2014-11-22: Version 3.31.19
Performance and stability improvements on all platforms.
2014-11-21: Version 3.31.18
Performance and stability improvements on all platforms.
2014-11-21: Version 3.31.17
Performance and stability improvements on all platforms.
2014-11-21: Version 3.31.16
Cache template literal callSiteObj (issue 3230).
Rename String.prototype.contains to 'includes'.
Reserve code range block for evacuation (Chromium issue 430118).
Performance and stability improvements on all platforms.
2014-11-20: Version 3.31.15
Rename String.prototype.contains to 'includes'.
Performance and stability improvements on all platforms.
2014-11-19: Version 3.31.14
Remove Weak{Map,Set}.prototype.clear.
Performance and stability improvements on all platforms.
2014-11-19: Version 3.31.13
Performance and stability improvements on all platforms.
2014-11-19: Version 3.31.12
Classes: Expand test to cover strict runtime behavior (issue 3330).
v8::String::Concat must not throw (Chromium issue 420240).
Fix disabling all break points from within the debug event callback
(Chromium issue 432493).
Performance and stability improvements on all platforms.
2014-11-18: Version 3.31.11
Performance and stability improvements on all platforms.
2014-11-17: Version 3.31.10
Performance and stability improvements on all platforms.
2014-11-17: Version 3.31.9
Expose internal properties of map/set iterators via mirrors.
Performance and stability improvements on all platforms.
2014-11-17: Version 3.31.8
Performance and stability improvements on all platforms.
2014-11-15: Version 3.31.7
Classes: Add support for stepping through default constructors (issue
3674).
Performance and stability improvements on all platforms.
2014-11-14: Version 3.31.6
Fix desugaring of let bindings in for loops to handle continue properly
(issue 3683).
Performance and stability improvements on all platforms.