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Lag when typing long text blocks with a lot of complex emojis. #24796

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Lag when typing long text blocks with a lot of complex emojis.#24796
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a: text inputEntering text in a text field or keyboard related problemsa: typographyText rendering, possibly libtxtc: performanceRelates to speed or footprint issues (see "perf:" labels)engineflutter/engine related. See also e: labels.frameworkflutter/packages/flutter repository. See also f: labels.
@GaryQian

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@GaryQian
GaryQian
opened on Nov 27, 2018

Type many complex emojis (family emojis, flags, etc) in a textfield such as the one in flutter gallery.

After typing a large amount of text, further input becomes very slow and laggy/sluggish (on debug mode).

Tested on a Nexus 5X

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    a: text inputEntering text in a text field or keyboard related problemsa: typographyText rendering, possibly libtxtc: performanceRelates to speed or footprint issues (see "perf:" labels)engineflutter/engine related. See also e: labels.frameworkflutter/packages/flutter repository. See also f: labels.

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