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ChangeLog
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ChangeLog
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2015-10-16: Version 4.8.83
Performance and stability improvements on all platforms.
2015-10-16: Version 4.8.82
Performance and stability improvements on all platforms.
2015-10-16: Version 4.8.81
Performance and stability improvements on all platforms.
2015-10-16: Version 4.8.80
Performance and stability improvements on all platforms.
2015-10-15: Version 4.8.79
Performance and stability improvements on all platforms.
2015-10-15: Version 4.8.78
Performance and stability improvements on all platforms.
2015-10-15: Version 4.8.77
Performance and stability improvements on all platforms.
2015-10-15: Version 4.8.76
Performance and stability improvements on all platforms.
2015-10-15: Version 4.8.75
Make RegExp use ToLength on lastIndex when flag is turned on (issue
4244).
Performance and stability improvements on all platforms.
2015-10-15: Version 4.8.74
Take Symbol-keyed properties into account in Object.freeze and friends
(Chromium issue 539875).
Performance and stability improvements on all platforms.
2015-10-15: Version 4.8.73
Performance and stability improvements on all platforms.
2015-10-15: Version 4.8.72
Performance and stability improvements on all platforms.
2015-10-15: Version 4.8.71
Performance and stability improvements on all platforms.
2015-10-15: Version 4.8.70
Performance and stability improvements on all platforms.
2015-10-15: Version 4.8.69
Performance and stability improvements on all platforms.
2015-10-15: Version 4.8.68
Performance and stability improvements on all platforms.
2015-10-15: Version 4.8.67
Performance and stability improvements on all platforms.
2015-10-15: Version 4.8.66
Performance and stability improvements on all platforms.
2015-10-14: Version 4.8.65
Performance and stability improvements on all platforms.
2015-10-14: Version 4.8.64
Add methods to extras' InternalPackedArray (issue 4276).
Performance and stability improvements on all platforms.
2015-10-14: Version 4.8.63
Performance and stability improvements on all platforms.
2015-10-14: Version 4.8.62
Performance and stability improvements on all platforms.
2015-10-14: Version 4.8.61
Performance and stability improvements on all platforms.
2015-10-14: Version 4.8.60
Performance and stability improvements on all platforms.
2015-10-14: Version 4.8.59
Performance and stability improvements on all platforms.
2015-10-14: Version 4.8.58
Performance and stability improvements on all platforms.
2015-10-14: Version 4.8.57
Performance and stability improvements on all platforms.
2015-10-14: Version 4.8.56
Performance and stability improvements on all platforms.
2015-10-14: Version 4.8.55
Performance and stability improvements on all platforms.
2015-10-13: Version 4.8.54
Performance and stability improvements on all platforms.
2015-10-13: Version 4.8.53
Performance and stability improvements on all platforms.
2015-10-13: Version 4.8.52
Performance and stability improvements on all platforms.
2015-10-13: Version 4.8.51
Performance and stability improvements on all platforms.
2015-10-13: Version 4.8.50
Performance and stability improvements on all platforms.
2015-10-13: Version 4.8.49
Performance and stability improvements on all platforms.
2015-10-13: Version 4.8.48
Performance and stability improvements on all platforms.
2015-10-13: Version 4.8.47
Performance and stability improvements on all platforms.
2015-10-13: Version 4.8.46
Performance and stability improvements on all platforms.
2015-10-13: Version 4.8.45
Performance and stability improvements on all platforms.
2015-10-13: Version 4.8.44
Performance and stability improvements on all platforms.
2015-10-12: Version 4.8.43
Performance and stability improvements on all platforms.
2015-10-12: Version 4.8.42
Performance and stability improvements on all platforms.
2015-10-12: Version 4.8.41
Performance and stability improvements on all platforms.
2015-10-12: Version 4.8.40
Performance and stability improvements on all platforms.
2015-10-12: Version 4.8.39
Performance and stability improvements on all platforms.
2015-10-12: Version 4.8.38
Test for var declarations in eval which conflict with let (issue 4454).
Don't compile functions in a context the caller doesn't have access to
(Chromium issue 541703).
Performance and stability improvements on all platforms.
2015-10-12: Version 4.8.37
Performance and stability improvements on all platforms.
2015-10-12: Version 4.8.36
Performance and stability improvements on all platforms.
2015-10-12: Version 4.8.35
Performance and stability improvements on all platforms.
2015-10-11: Version 4.8.34
Performance and stability improvements on all platforms.
2015-10-09: Version 4.8.33
Performance and stability improvements on all platforms.
2015-10-09: Version 4.8.32
Performance and stability improvements on all platforms.
2015-10-09: Version 4.8.31
Performance and stability improvements on all platforms.
2015-10-09: Version 4.8.30
Performance and stability improvements on all platforms.
2015-10-09: Version 4.8.29
Performance and stability improvements on all platforms.
2015-10-09: Version 4.8.28
Performance and stability improvements on all platforms.
2015-10-09: Version 4.8.27
Performance and stability improvements on all platforms.
2015-10-09: Version 4.8.26
Performance and stability improvements on all platforms.
2015-10-09: Version 4.8.25
Performance and stability improvements on all platforms.
2015-10-08: Version 4.8.24
Stage --harmony_sloppy_function (issue 4285).
Performance and stability improvements on all platforms.
2015-10-08: Version 4.8.23
Performance and stability improvements on all platforms.
2015-10-08: Version 4.8.22
Performance and stability improvements on all platforms.
2015-10-08: Version 4.8.21
Performance and stability improvements on all platforms.
2015-10-08: Version 4.8.20
Performance and stability improvements on all platforms.
2015-10-08: Version 4.8.19
Performance and stability improvements on all platforms.
2015-10-08: Version 4.8.18
Performance and stability improvements on all platforms.
2015-10-08: Version 4.8.17
Performance and stability improvements on all platforms.
2015-10-08: Version 4.8.16
Performance and stability improvements on all platforms.
2015-10-07: Version 4.8.15
Performance and stability improvements on all platforms.
2015-10-07: Version 4.8.14
Performance and stability improvements on all platforms.
2015-10-07: Version 4.8.13
Performance and stability improvements on all platforms.
2015-10-07: Version 4.8.12
Performance and stability improvements on all platforms.
2015-10-07: Version 4.8.11
Performance and stability improvements on all platforms.
2015-10-07: Version 4.8.10
Performance and stability improvements on all platforms.
2015-10-07: Version 4.8.9
Performance and stability improvements on all platforms.
2015-10-07: Version 4.8.8
Performance and stability improvements on all platforms.
2015-10-07: Version 4.8.7
Performance and stability improvements on all platforms.
2015-10-07: Version 4.8.6
Performance and stability improvements on all platforms.
2015-10-07: Version 4.8.5
Performance and stability improvements on all platforms.
2015-10-07: Version 4.8.4
Performance and stability improvements on all platforms.
2015-10-07: Version 4.8.3
Destructuring array without initializer throws an exception (issue
4462).
Disable VirtualAlloc randomization on 32-bit Windows hosts (Chromium
issue 394591).
Performance and stability improvements on all platforms.
2015-10-06: Version 4.8.2
Fix legacy const for-of/in destructuring (issue 4461).
[es6] Align Promise.resolve with the spec (issues 4161, 4341).
Prohibit let in lexical bindings (issue 4403).
Ensure scopes are backed by blocks in the body of for loops (Chromium
issues 536750, 536751).
Performance and stability improvements on all platforms.
2015-10-04: Version 4.8.1
[cross-context] create new function prototypes in the context of the
function (issue 4217).
Fix completion of try..finally (issue 2529).
Extend Annex B 3.3 sloppy-mode block-scoped hoisting to scripts, eval
(issue 4441).
[V8] Add name of function for function's closure scope (Chromium issue
493156).
Performance and stability improvements on all platforms.
2015-05-17: Sentinel
The ChangeLog file is no longer maintained on bleeding_edge. This
sentinel should stay on top of this list.
2015-05-17: Version 4.5.2
Performance and stability improvements on all platforms.
2015-05-16: Version 4.5.1
Test that TypedArray methods don't read length (issue 3578).
Implement %TypedArray%.{fill,find,findIndex} (issue 3578).
TypedArray.prototype.copyWithin method (issue 3578).
Provide accessor for object internal properties that doesn't require
debugger to be active (Chromium issue 481845).
Don't create debug context if debug listener is not set (Chromium issue
482290).
Performance and stability improvements on all platforms.
2015-05-13: Version 4.4.65
Deprecate Isolate::New.
Factor out core of Array.forEach and .every, for use in TypedArrays
(issue 3578).
Performance and stability improvements on all platforms.
2015-05-12: Version 4.4.64
Performance and stability improvements on all platforms.
2015-05-11: Version 4.4.63
Let Runtime_GrowArrayElements accept non-Smi numbers as |key| (Chromium
issue 485410).
Make one copy for all TypedArray methods (issue 4085).
Performance and stability improvements on all platforms.
2015-05-09: Version 4.4.62
[turbofan] Fix handling of OsrLoopEntry in ControlReducer::ConnectNTL()
(Chromium issue 485908).
Performance and stability improvements on all platforms.
2015-05-08: Version 4.4.61
Performance and stability improvements on all platforms.
2015-05-08: Version 4.4.60
Performance and stability improvements on all platforms.
2015-05-08: Version 4.4.59
Performance and stability improvements on all platforms.
2015-05-07: Version 4.4.58
TypedArray.prototype.every method (issue 3578).
[V8] Reland https://codereview.chromium.org/1121833003/ (Chromium issue
480652).
Performance and stability improvements on all platforms.
2015-05-07: Version 4.4.57
Performance and stability improvements on all platforms.
2015-05-06: Version 4.4.56
Shard v8_base.lib on Windows to avoid 2G .lib limit (Chromium issue
485155).
Implement a 'trial parse' step, that will abort pre-parsing excessively
long and trivial functions, so that they can be eagerly compiled after
all. This essentially allows the parser to renege on its earlier
decision to lazy-parse, if additional information suggests it was a bad
decision (Chromium issue 470930).
Performance and stability improvements on all platforms.
2015-05-06: Version 4.4.55
Handle the case when derived constructor is [[Call]]ed with 0 args
(Chromium issue 474783).
freed_nodes in global-handles should be addititive (Chromium issues
479796, 484671).
[V8] Reland https://codereview.chromium.org/1100993003/ (Chromium issue
480652).
[es6] When comparing two symbols we may need to throw a TypeError (issue
4073).
Performance and stability improvements on all platforms.
2015-05-06: Version 4.4.54
Performance and stability improvements on all platforms.
2015-05-05: Version 4.4.53
Performance and stability improvements on all platforms.
2015-05-05: Version 4.4.52
Performance and stability improvements on all platforms.
2015-05-04: Version 4.4.51
Performance and stability improvements on all platforms.
2015-05-04: Version 4.4.50
Performance and stability improvements on all platforms.
2015-05-01: Version 4.4.49
Performance and stability improvements on all platforms.
2015-05-01: Version 4.4.48
[V8] Use previous token location as EOS token location (Chromium issue
480652).
Implement kToBeExecutedOnceCodeAge (Chromium issue 470930).
Performance and stability improvements on all platforms.
2015-04-30: Version 4.4.47
Performance and stability improvements on all platforms.
2015-04-30: Version 4.4.46
Performance and stability improvements on all platforms.
2015-04-29: Version 4.4.45
Performance and stability improvements on all platforms.
2015-04-29: Version 4.4.44
Pass ArrayBuffer::Allocator via Isolate::CreateParams.
Fix unobservable constructor replacement on prototype maps (Chromium
issue 478522).
Performance and stability improvements on all platforms.
2015-04-29: Version 4.4.43
Performance and stability improvements on all platforms.
2015-04-28: Version 4.4.42
MIPS: Fix FP load/store with large offsets from base register (Chromium
issue 481519).
Extending v8::GetHeapStatistics to return total available size (Chromium
issue 476013).
Performance and stability improvements on all platforms.
2015-04-28: Version 4.4.41
Performance and stability improvements on all platforms.
2015-04-28: Version 4.4.40
Do more to avoid last-resort stop-the-world GC (Chromium issue 481433).
Performance and stability improvements on all platforms.
2015-04-27: Version 4.4.39
Performance and stability improvements on all platforms.
2015-04-27: Version 4.4.38
Performance and stability improvements on all platforms.
2015-04-25: Version 4.4.37
Performance and stability improvements on all platforms.
2015-04-24: Version 4.4.36
Performance and stability improvements on all platforms.
2015-04-24: Version 4.4.35
Performance and stability improvements on all platforms.
2015-04-24: Version 4.4.34
Performance and stability improvements on all platforms.
2015-04-23: Version 4.4.33
Performance and stability improvements on all platforms.
2015-04-23: Version 4.4.32
Performance and stability improvements on all platforms.
2015-04-23: Version 4.4.31
Performance and stability improvements on all platforms.
2015-04-22: Version 4.4.30
Performance and stability improvements on all platforms.
2015-04-22: Version 4.4.29
Performance and stability improvements on all platforms.
2015-04-21: Version 4.4.28
Performance and stability improvements on all platforms.
2015-04-21: Version 4.4.27
Performance and stability improvements on all platforms.
2015-04-20: Version 4.4.26
Allow for accessing an ArrayBuffer contents without externalizing it.
Remove support for externally backed elements from the API (issue 3996).
Deprecate 3-args ResourceConstraints::ConfigureDefaults.
Indicate that low-memory-notificatin triggered GCs are "forced".
Adding missing V8_EXPORT flag in SpaceStatistics class in v8.h (Chromium
issues 466141, 476013).
Performance and stability improvements on all platforms.
2015-04-20: Version 4.4.25
Turn off SupportsFlexibleFloorAndRound for Arm64 due to a bug (Chromium
issue 476477).
Adding V8 api to get memory statistics of spaces in V8::Heap (Chromium
issues 466141, 476013).
Performance and stability improvements on all platforms.
2015-04-17: Version 4.4.24
Performance and stability improvements on all platforms.
2015-04-17: Version 4.4.23
Don't crash when reporting an access check failure for a detached global
proxy (Chromium issue 475884).
Use smaller heap growing factor in idle notification to start
incremental marking when there is idle time >16ms (Chromium issue
477323).
Performance and stability improvements on all platforms.
2015-04-16: Version 4.4.22
Reduce regexp compiler stack size when not optimizing regexps (Chromium
issue 475705).
Performance and stability improvements on all platforms.
2015-04-15: Version 4.4.21
Remove support for specifying the number of available threads.
When converting Maybe and MaybeLocal values with a check, always check.
Performance and stability improvements on all platforms.
2015-04-15: Version 4.4.20
Performance and stability improvements on all platforms.
2015-04-15: Version 4.4.19
Reland "Remove support for thread-based recompilation" (issue 3608).
Performance and stability improvements on all platforms.
2015-04-14: Version 4.4.18
Reland "Remove support for thread-based recompilation" (issue 3608).
Performance and stability improvements on all platforms.
2015-04-14: Version 4.4.17
Performance and stability improvements on all platforms.
2015-04-13: Version 4.4.16
Expose ArrayBufferView::HasBuffer (issue 3996).
Performance and stability improvements on all platforms.
2015-04-13: Version 4.4.15
Performance and stability improvements on all platforms.
2015-04-12: Version 4.4.14
Performance and stability improvements on all platforms.
2015-04-12: Version 4.4.13
Performance and stability improvements on all platforms.
2015-04-10: Version 4.4.12
Performance and stability improvements on all platforms.
2015-04-10: Version 4.4.11
Performance and stability improvements on all platforms.
2015-04-10: Version 4.4.10
Don't #define snprintf in VS2015 - it's illegal and unneeded (Chromium
issue 440500).
Performance and stability improvements on all platforms.
2015-04-09: Version 4.4.9
Performance and stability improvements on all platforms.
2015-04-09: Version 4.4.8
Performance and stability improvements on all platforms.
2015-04-08: Version 4.4.7
Make GetDebugContext a bit more robust (Chromium issue 474538).
Performance and stability improvements on all platforms.
2015-04-08: Version 4.4.6
Performance and stability improvements on all platforms.
2015-04-08: Version 4.4.5
More robust when allocation fails during compaction (Chromium issue
473307).
MIPS: JSEntryTrampoline: check for stack space before pushing arguments
(Chromium issue 469768).
Performance and stability improvements on all platforms.
2015-04-07: Version 4.4.4
Debugger: remove debug command API.
Remove support for thread-based recompilation (issue 3608).
JSEntryTrampoline: check for stack space before pushing arguments
(Chromium issue 469768).
Performance and stability improvements on all platforms.
2015-04-07: Version 4.4.3
Performance and stability improvements on all platforms.
2015-04-06: Version 4.4.2
Performance and stability improvements on all platforms.
2015-04-06: Version 4.4.1
Support for typed arrays added to Heap::RightTrimFixedArray() (Chromium
issue 472513).
Expose an API on ArrayBufferView to copy out content w/o changing the
buffer (issue 3996).
Performance and stability improvements on all platforms.
2015-04-02: Version 4.3.66
Reland: Fix JSON parser Handle leak (previous CL 1041483004) (issue
3976, Chromium issue 472504).
Turn off overapproximation of the weak closure again (issue 3862).
Performance and stability improvements on all platforms.
2015-04-01: Version 4.3.65
Performance and stability improvements on all platforms.
2015-04-01: Version 4.3.64
Performance and stability improvements on all platforms.
2015-04-01: Version 4.3.63
[V8] Don't ignore sourceURL comment in inline scripts in .stack (issue
3920).
Deprecate IdleNotification().
Remove --harmony-numeric-literal flag.
Performance and stability improvements on all platforms.
2015-03-31: Version 4.3.62
Put newspace evacuation in an EvacuationScope (Chromium issue 471554).
Fix libdl dependency on Android and remove librt hack (Chromium issue
469973).
Ensure that GC idle notifications either make progress or stop
requesting more GCs (Chromium issue 470615).
Layout descriptor must be trimmed when corresponding descriptors array
is trimmed to stay in sync (Chromium issue 470804).
Fix JSON parser Handle leak (issue 3976).
Performance and stability improvements on all platforms.
2015-03-30: Version 4.3.61
Performance and stability improvements on all platforms.
2015-03-28: Version 4.3.60
Reland^2 "Filter invalid slots out from the SlotsBuffer after marking."
(Chromium issues 454297, 470801).
This fixes missing incremental write barrier issue when double fields
unboxing is enabled (Chromium issue 469146).
Performance and stability improvements on all platforms.
2015-03-27: Version 4.3.59
Use a slot that is located on a heap page when removing invalid entries
from the SlotsBuffer (Chromium issue 470801).
Performance and stability improvements on all platforms.