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enqueueMark(obj|string)
  Add an object to the queue of objects to mark at the beginning every GC. (Note
  that the objects will actually be marked at the beginning of every slice, but
  after the first slice they will already be marked so nothing will happen.)
  
  Instead of an object, a few magic strings may be used:
    'yield' - cause the current marking slice to end, as if the mark budget were
      exceeded.
    'enter-weak-marking-mode' - divide the list into two segments. The items after
      this string will not be marked until we enter weak marking mode. Note that weak

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ac_add_options --enable-project=js
ac_add_options --enable-optimize
ac_add_options --enable-debug
ac_add_options --enable-js-shell

mk_add_options MOZ_MAKE_FLAGS="-j8 -s"
mk_add_options MOZ_OBJDIR=@TOPSRCDIR@/obj-js

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#482452 = Marking.cpp:void js::TenuringTracer::traceObject(JSString**)::<lambda(auto:27)> [with auto:27 = JSString**]
#482370 = JS::PropertyKey js::TenuringTracer::traverse(JSString*)::<lambda(auto:26)> [with auto:26 = JSString*; T = JS::PropertyKey]
#480678 = JS::Value js::TenuringTracer::traverse(JSString*)::<lambda(auto:26)> [with auto:26 = JSString*; T = JS::Value]
#452904 = void js::gc::TraceEdgeInternal(JSTracer*, JSString**, int8*) [with T = JSString*]
#478263 = void js::gc::StoreBuffer::CellPtrEdge::trace(js::TenuringTracer*) const

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Summary:

• Quite a bit of work on string methods and promise methods.
• temporal is now blocked on standard modules, adding pressure to do that
• dynamic import will move to stage 4 if all goes well with realms?
• Decorators minimal proposal with built in decorators was presented
• Decorators were also presented as a solution for numeric separators / literals

Stuff we are interested in or working on:

• WeakRefs was discussed, and agreed to not be optional? It will also not be a systems object
• Date.parse has not moved forward due to trying to standardize implementation specific behavior.

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How I see the Pernosco UI

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length 26 route found:
#59397 = void js::gc::GCRuntime::collect(uint8, js::SliceBudget, int32)
#59379 = uint32 js::gc::GCRuntime::gcCycle(uint8, js::SliceBudget, int32)
#59354 = void js::gc::GCRuntime::incrementalSlice(js::SliceBudget*, int32, js::gc::AutoGCSession*)
#59347 = void js::gc::GCRuntime::pushZealSelectedObjects()
#4488 = void js::TraceManuallyBarrieredEdge(JSTracer*, JSObject**, int8*) [with T = JSObject*]
#11194 = void js::gc::TraceEdgeInternal(JSTracer*, JSObject**, int8*) [with T = JSObject*]
#60071 = void js::TenuringTracer::traverse(JSObject**) [with T = JSObject]
#60074 = JSObject* js::TenuringTracer::moveToTenuredSlow(JSObject*)
#60102 = uint64 js::TenuringTracer::moveElementsToTenured(js::NativeObject*, js::NativeObject*, uint8)

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@  535582:799fe024c000 sfink tip nonunified fix
o  535581:75cdbef5dd91 sfink Split mark stack into black and gray, fix weakmap marking to push gray during black
o  535580:48ffdc88670d sfink Flailing with debugging: marking order
o  535579:d1721198d079 sfink Dump log when crashing due to WM assert
o  535578:686877d224f5 sfink do not insert CCWs
o  535577:a4389b5732dd sfink Bug 1167452 - Incrementalize weakmap marking
o  535576:6b871334f96d sfink Bug 1167452 - Prevent barriers from firing during tracing, refactor a little.
o  535575:1b6746680de8 sfink Bug 1167452 - Split out nursery weak keys from tenured weak keys
o  535574:4ccacc1753e7 sfink Bug 1167452 - Move gcWeakKeys from zone to compartment.
o  535573:f364d07002b5 sfink Bug 1167452 - Implement isMarked, IsForwarded, and Forwarded for GCCellPtr

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hello planet