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High CPU usage with EPUB files. #450

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High CPU usage with EPUB files.#450
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BUG

Description

@ahmed-bouali
ahmed-bouali
opened on Dec 22, 2020
 * Xreader version (xreader 2.4.4)
 * Distribution - (Mint 19.3 Tricia)

Issue
Regular xreader CPU usage with PDFs (I have i7-5500u is about 3%) but whenever I open an EPUB file it jumps to 100-130%. I see also a new process webkitwebprocess that uses 40-70% of CPU.

Steps to reproduce
Opening an EPUB file.

Expected behaviour
Regular CPU usage

Activity

  1. icarter09
    added
    BUG
    on Dec 24, 2020

  2. clefebvre commented on Sep 4, 2026

    @clefebvre
    clefebvre
    on Sep 4, 2026
    Member

    EPUB support was removed from Xreader and reimplemented in Xepub: https://github.com/xapp-project/xepub.

  3. clefebvre
    closed this as completedon Sep 4, 2026
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