Issues

• Crash "Cannot invoke native callback from a different isolate" with two FlutterEngines in one process / Absturz „Cannot invoke native callback from a different isolate“ bei zwei FlutterEngines in einem Prozess

  bug
  espresso3389/pdfrx#728 · Filter by author Magnum91-jen opened on Sep 25, 2026
  2

• [Bug] Fix default PDF error banner crash without material_ui localizations

  espresso3389/pdfrx#726 · Filter by author Danorf opened on Sep 23, 2026

• PdfViewer can permanently hang on loading if the parent rebuilds during the initial pdfrxFlutterInitialize() await (race in _widgetUpdated)

  espresso3389/pdfrx#725 · Filter by author PutawanDE opened on Sep 21, 2026

• Process-wide PDFium gate for multiple Flutter engines (desktop_multi_window)

  enhancement
  espresso3389/pdfrx#722 · Filter by author saif-ellafi opened on Sep 19, 2026
  1

• Out Of memory error on iPhone 8 Plus

  espresso3389/pdfrx#710 · Filter by author aiviapp opened on Sep 7, 2026
  2

• FlutterError : Invalid argument (other): Matrix cannot be inverted: Instance of 'Matrix4'

  espresso3389/pdfrx#690 · Filter by author Ezor opened on Aug 6, 2026

• AppLifecycleListener.onExitRequested never fires on Windows after pdfrxFlutterInitialize()

  bug
  espresso3389/pdfrx#682 · Filter by author Markus43 opened on Jul 21, 2026
  1

• [FEATURE REQUEST] Load raw images from PDF, modify them, then save them back

  espresso3389/pdfrx#672 · Filter by author GabrielaBezerra opened on Jul 10, 2026

• Crash on older iPad during page rendering: PDFium EXC_BAD_INSTRUCTION in CPDF_GenerateAP::GenerateAnnotAP

  espresso3389/pdfrx#651 · Filter by author ynnob opened on May 27, 2026
  1

• [pdfrx_engine] add text on top of an existing PdfPage

  enhancement
  espresso3389/pdfrx#635 · Filter by author MarcVanDaele90 opened on Apr 29, 2026
  2

• SIGTRAP crash in FPDF_InitLibraryWithConfig on Android during pdfrxFlutterInitialize

  wait for response
  espresso3389/pdfrx#607 · Filter by author benjaminledet opened on Feb 16, 2026
  3

• editing of forms?

  espresso3389/pdfrx#605 · Filter by author smueller823 opened on Feb 10, 2026

• Better declarative approach for page layout

  pdfrx-3.0
  espresso3389/pdfrx#593 · Filter by author espresso3389 opened on Jan 17, 2026
  1

• Crash in PDFium (EXC_BAD_INSTRUCTION)

  bugwait for response
  espresso3389/pdfrx#591 · Filter by author UnluckyY1 opened on Jan 15, 2026
  7

• Repeated viewport “jumping” when opening a PDF at a non-first page (high initialPageNumber) — reproducible with a specific file

  espresso3389/pdfrx#586 · Filter by author Y-PLONI opened on Jan 8, 2026
  8

• [FEATURE REQUEST]:Insert images into PDF

  wait for response
  espresso3389/pdfrx#584 · Filter by author paladinghub opened on Jan 7, 2026
  8

• PDF Page Rotation Performance and Functionality Issues

  wait for response
  espresso3389/pdfrx#579 · Filter by author gokulreizend opened on Dec 30, 2025
  1

• Flutter Windows app was viewing a PDF

  wait for response
  espresso3389/pdfrx#578 · Filter by author wsfc-001 opened on Dec 29, 2025
  1

• Control which PDF objects are rendered (text, images, etc.) and how they are drawn

  enhancement
  espresso3389/pdfrx#574 · Filter by author G705-Ghilan opened on Dec 27, 2025
  2

• Saving custom canvas overlay into PDF

  espresso3389/pdfrx#558 · Filter by author haslerclaude opened on Dec 3, 2025

• Flutter Web on Windows: Ctrl+Wheel event is directly handled by Flutter and results in incorrect boundaryMargin

  espresso3389/pdfrx#547 · Filter by author espresso3389 opened on Nov 20, 2025
  8

• Adding text markup annotations

  espresso3389/pdfrx#545 · Filter by author SlickSlime opened on Nov 17, 2025
  1

• PdfViewer is slow when scrolling on mobile, is there settings to speed it up ?

  espresso3389/pdfrx#542 · Filter by author G705-Ghilan opened on Nov 17, 2025
  5

• Arabic text with diacritics copied/search incorrectly.

  help wanted
  espresso3389/pdfrx#431 · Filter by author abdulwahed-s opened on Jul 26, 2025
  9

• FEATURE REQUEST: PdfPage needs to be able to call CustomPainter and PdfDocument to have the ability to save

  espresso3389/pdfrx#281 · Filter by author paladinghub opened on Dec 26, 2024