iPad - Apple Pencil Pro killing frame rate

jerrodu
Hi! Whenever I use my Apple Pencil Pro with Zotero on my iPad, the app becomes extremely choppy and unresponsive. It only started happening recently.

Does anyone have experience with this issue?
  • venpopov
    I am experiencing the same issue recently. Easiest way to see it is to use the pencil to scroll. if the pencil touches the page, the frame rate drops drammatically. But if the pencil touches the free space outside of the document to scroll, it is fine.
  • mvasilak
    Hey all, can you please do the following:
    - Let us know what type of pencil, iPad device, iPadOS version, app version, you are using.
    - Record a debug log where this happens and post it here.
    - Also record a video at the same time, and share a link here, or send it to support@zoterto.org mentioning this thread.

    Thank you
  • tongzhan
    Same problem. Apple Pencil 2, iPad Pro 12.9 2022
  • tongzhan
    App version 1.0.47
  • noahrozansky
    Same here! iPad Air M2, OS 18.3.2, Apple Pencil Pro, App 1.0.47
  • mvasilak
    Hey all, if possible, can you please record a screen recording that will show the following:
    - the scrolling lag you describe when using the pencil to scroll
    - normal scrolling, using your finger instead to scroll, for the same PDF

    Share the video with a link here, or mail it to support@zotero.org mentioning this thread.

    Furthermore, please do check if this lag happens for all PDFs, or just specific ones, and for the latter, also mail us such a document to support@zotero.org

    Finally, please share your settings for the Apple Pencil. A screenshot of the relevant settings.app screen would suffice.
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