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ChangeLog
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ChangeLog
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2015-06-15: Version 4.5.55
Performance and stability improvements on all platforms.
2015-06-14: Version 4.5.54
Performance and stability improvements on all platforms.
2015-06-13: Version 4.5.53
Performance and stability improvements on all platforms.
2015-06-12: Version 4.5.52
Map::TryUpdate() must be in sync with Map::Update() (issue 4173).
Add ToObject call in Array.prototype.sort (issue 4125).
In Array.of and Array.from, fall back to DefineOwnProperty (issue 4168).
Performance and stability improvements on all platforms.
2015-06-12: Version 4.5.51
Performance and stability improvements on all platforms.
2015-06-11: Version 4.5.50
Performance and stability improvements on all platforms.
2015-06-11: Version 4.5.49
Performance and stability improvements on all platforms.
2015-06-11: Version 4.5.48
Support rest parameters in arrow functions (issue 2700).
Performance and stability improvements on all platforms.
2015-06-10: Version 4.5.47
Implement %TypedArray%.prototype.slice (issue 3578).
Performance and stability improvements on all platforms.
2015-06-09: Version 4.5.46
Stage ES6 arrow functions (issue 2700).
Performance and stability improvements on all platforms.
2015-06-09: Version 4.5.45
Performance and stability improvements on all platforms.
2015-06-09: Version 4.5.44
Performance and stability improvements on all platforms.
2015-06-08: Version 4.5.43
[for-in] Make ForInNext and ForInFilter deal properly with exceptions
(Chromium issue 496331).
Performance and stability improvements on all platforms.
2015-06-08: Version 4.5.42
Performance and stability improvements on all platforms.
2015-06-06: Version 4.5.41
Performance and stability improvements on all platforms.
2015-06-05: Version 4.5.40
Performance and stability improvements on all platforms.
2015-06-05: Version 4.5.39
Stage ES6 Array and TypedArray methods (issue 3578).
Performance and stability improvements on all platforms.
2015-06-05: Version 4.5.38
Implement %TypedArray%.prototype.{reduce,reduceRight} (issue 3578).
Add support for Embedded Constant Pools for PPC and Arm (Chromium issue
478811).
Performance and stability improvements on all platforms.
2015-06-04: Version 4.5.37
Performance and stability improvements on all platforms.
2015-06-04: Version 4.5.36
Performance and stability improvements on all platforms.
2015-06-04: Version 4.5.35
Flatten the Arrays returned and consumed by the v8::Map API (Chromium
issue 478263).
Performance and stability improvements on all platforms.
2015-06-03: Version 4.5.34
Also allocate small typed arrays on heap when initialized from an array-
like (issue 3996).
Implement %TypedArray%.prototype.{reduce,reduceRight} (issue 3578).
Performance and stability improvements on all platforms.
2015-06-03: Version 4.5.33
Add support for Embedded Constant Pools for PPC and Arm (Chromium issue
478811).
Implement %TypedArray%.prototype.{toString,toLocaleString,join} (issue
3578).
Performance and stability improvements on all platforms.
2015-06-03: Version 4.5.32
Performance and stability improvements on all platforms.
2015-06-02: Version 4.5.31
Performance and stability improvements on all platforms.
2015-06-02: Version 4.5.30
Performance and stability improvements on all platforms.
2015-06-01: Version 4.5.29
Reland "Re-enable on-heap typed array allocation" (issue 3996).
Performance and stability improvements on all platforms.
2015-06-01: Version 4.5.28
Re-enable on-heap typed array allocation (issue 3996).
Also expose DefineOwnProperty (Chromium issue 475206).
Performance and stability improvements on all platforms.
2015-06-01: Version 4.5.27
Performance and stability improvements on all platforms.
2015-05-31: Version 4.5.26
Performance and stability improvements on all platforms.
2015-05-30: Version 4.5.25
Performance and stability improvements on all platforms.
2015-05-29: Version 4.5.24
Debugger: consider try-finally scopes not catching wrt debug events
(Chromium issue 492522).
Performance and stability improvements on all platforms.
2015-05-29: Version 4.5.23
Performance and stability improvements on all platforms.
2015-05-29: Version 4.5.22
Do not eagerly convert exception to string when creating a message
object (Chromium issue 490680).
Performance and stability improvements on all platforms.
2015-05-28: Version 4.5.21
Performance and stability improvements on all platforms.
2015-05-28: Version 4.5.20
Introduce v8::Object::CreateDataProperty (Chromium issue 475206).
Performance and stability improvements on all platforms.
2015-05-27: Version 4.5.19
Performance and stability improvements on all platforms.
2015-05-27: Version 4.5.18
Add {Map,Set}::FromArray to the API (issue 3340).
Add {Map,Set}::AsArray to the API (issue 3340).
Add basic API support for Map & Set (issue 3340).
Performance and stability improvements on all platforms.
2015-05-26: Version 4.5.17
Correctly hook up materialized receiver into the evaluation context
chain (Chromium issue 491943).
Implement bookmarks for ExternalStreamingStream (Chromium issue 470930).
Performance and stability improvements on all platforms.
2015-05-26: Version 4.5.16
Performance and stability improvements on all platforms.
2015-05-26: Version 4.5.15
Performance and stability improvements on all platforms.
2015-05-23: Version 4.5.14
Performance and stability improvements on all platforms.
2015-05-22: Version 4.5.13
Remove v8::Private.
Performance and stability improvements on all platforms.
2015-05-22: Version 4.5.12
Performance and stability improvements on all platforms.
2015-05-22: Version 4.5.11
Performance and stability improvements on all platforms.
2015-05-21: Version 4.5.10
Re-land %TypedArray%.prototype.{map,filter,some} (issue 3578).
Performance and stability improvements on all platforms.
2015-05-21: Version 4.5.9
Performance and stability improvements on all platforms.
2015-05-20: Version 4.5.8
Performance and stability improvements on all platforms.
2015-05-20: Version 4.5.7
Implement %TypedArray%.{lastI,i}ndexOf (issue 3578).
Implement %TypedArray%.prototype.sort (issue 3578).
Implement %TypedArray%.reverse (issue 3578).
Implement %TypedArray%.prototype.{map,filter,some,reduce,reduceRight}
(issue 3578).
Fix has_pending_exception logic in API's Array::CloneElementAt (issue
4103).
Adding api to get last gc object statistics for chrome://tracing
(Chromium issue 476013).
Fix harmless HGraph verification failure after hoisting inlined bounds
checks (Chromium issue 487608).
Performance and stability improvements on all platforms.
2015-05-20: Version 4.5.6
Add TypedArray.from method (issue 3578).
Performance and stability improvements on all platforms.
2015-05-19: Version 4.5.5
ARM64: Propagate notification about aborted compilation from
RegExpEngine to MacroAssembler (Chromium issue 489290).
Performance and stability improvements on all platforms.
2015-05-18: Version 4.5.4
Performance and stability improvements on all platforms.
2015-05-18: Version 4.5.3
Performance and stability improvements on all platforms.
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.
2015-03-26: Version 4.3.58
Return timestamp of the last recorded interval to the caller of
HeapProfiler::GetHeapStats (Chromium issue 467222).
Performance and stability improvements on all platforms.
2015-03-26: Version 4.3.57
Reland [V8] Removed SourceLocationRestrict (Chromium issue 468781).
Performance and stability improvements on all platforms.
2015-03-25: Version 4.3.56
Remove v8::Isolate::ClearInterrupt.
Performance and stability improvements on all platforms.
2015-03-25: Version 4.3.55
Performance and stability improvements on all platforms.
2015-03-24: Version 4.3.54
Do not assign positions to parser-generated desugarings (Chromium issue
468661).
Performance and stability improvements on all platforms.
2015-03-24: Version 4.3.53
Filter invalid slots out from the SlotsBuffer after marking (Chromium
issue 454297).
Fix OOM bug 3976 (issue 3976).
Performance and stability improvements on all platforms.
2015-03-24: Version 4.3.52
Remove calls to IdleNotification().
Save heap object tracking data in heap snapshot (Chromium issue 467222).
Performance and stability improvements on all platforms.
2015-03-24: Version 4.3.51
[V8] Removed SourceLocationRestrict (Chromium issue 468781).
[turbofan] Fix control reducer bug with walking non-control edges during
ConnectNTL phase (Chromium issue 469605).
Performance and stability improvements on all platforms.
2015-03-23: Version 4.3.50
Performance and stability improvements on all platforms.
2015-03-23: Version 4.3.49
Ensure we don't overflow in BCE (Chromium issue 469148).
[turbofan] Fix lowering of Math.max for integral inputs (Chromium issue
468162).
Use libdl to get symbols for backtraces.
Performance and stability improvements on all platforms.
2015-03-19: Version 4.3.48
Clarify what APIs return Maybe and MaybeLocal values (issue 3929).
Introduce explicit constant for per Context debug data set by embedder
(Chromium issue 466631).
Adjust key behaviour for weak collections (issues 3970, 3971, Chromium
issue 460083).
Turn on overapproximation of the weak closure (issue 3862).
Performance and stability improvements on all platforms.
2015-03-18: Version 4.3.47
Performance and stability improvements on all platforms.
2015-03-17: Version 4.3.46
Performance and stability improvements on all platforms.
2015-03-17: Version 4.3.45