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The bug here is that _clearCurrentLink was being called only on the line(s) that changed, but _askForLink was then being triggered regardless. This caused more onRenderedViewportChange listeners to be registered and for the thread blocking to get exponentially worse. Fixes xtermjs#4341
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Oh wow - kudos to your test batteries finding this one. 😱 🙈 |
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@jerch yeah it took a while to figure this one out, also spotted a race while digging into it microsoft/vscode#169696 |
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The bug here is that _clearCurrentLink was being called only on the line(s) that changed, but _askForLink was then being triggered regardless. This caused more onRenderedViewportChange listeners to be registered and for the thread blocking to get exponentially worse.
Fixes #4341