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Breaking Change: Running TypeScript on ES3 hosts no longer supported #10278

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RyanCavanaugh opened this issue Aug 11, 2016 · 2 comments
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Breaking Change: Running TypeScript on ES3 hosts no longer supported #10278

RyanCavanaugh opened this issue Aug 11, 2016 · 2 comments
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@RyanCavanaugh
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#10270 uses APIs present only in ES5 runtimes to gain 15% speed and ~20% reduced memory usage.

This does not impact targeting ES3 hosts with --target ES3. The only scenario impacted is running the TypeScript compiler or language service on an ES3 host, which we believe to be very rare.
@RyanCavanaugh RyanCavanaugh added the Breaking Change Would introduce errors in existing code label Aug 11, 2016
@RyanCavanaugh RyanCavanaugh mentioned this issue Aug 11, 2016
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@DanielRosenwasser
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I thought I posted this at #10125?

@RyanCavanaugh RyanCavanaugh added Duplicate An existing issue was already created and removed Breaking Change Would introduce errors in existing code labels Aug 11, 2016
@RyanCavanaugh
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Please search for duplicates before logging new issues.

@microsoft microsoft locked and limited conversation to collaborators Jun 19, 2018
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@DanielRosenwasser @RyanCavanaugh