# Rendered Browser Support Thread

**URL:** <https://forums.ankiweb.net/t/rendered-browser-support-thread/5683>\
**Category:** Add-ons\
**Created:** [December 10, 2020, 10:42am UTC](https://forums.ankiweb.net/t/rendered-browser-support-thread/5683 "2020-12-10T10:42:07Z")\
**Posts on this page:** 10\
**Page:** 1

<div class="post-metadata">

**Author:** ![sam](https://avatars.discourse-cdn.com/v4/letter/s/5f9b8f/32.png) [@sam](https://forums.ankiweb.net/u/sam)\
**Post date:** [December 10, 2020, 10:42am UTC](https://forums.ankiweb.net/t/rendered-browser-support-thread/5683/1 "2020-12-10T10:42:08Z")

</div>

If you have any problems or feedback regarding the anki add-on [Rendered Browser](https://ankiweb.net/shared/info/993394845) post them here

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<div class="post-metadata">

**Author:** ![klau](https://avatars.discourse-cdn.com/v4/letter/k/87869e/32.png) [@klau](https://forums.ankiweb.net/u/klau)\
**Post date:** [May 2, 2023, 9:20am UTC](https://forums.ankiweb.net/t/rendered-browser-support-thread/5683/2 "2023-05-02T09:20:18Z")

</div>

Hi

I think this add-on is great and it helps me to use Anki in a certain way. I am currently thinking about switching to Anki in my studies.  
Do you plan to keep on updating this add-on for future versions of the software?  
Will this stay compatible with the qt5 Version ? I am on Mac silicon but need to use the qt5 version since version 6 runs very laggy here.

Best Regards

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<div class="post-metadata">

**Author:** ![sam](https://avatars.discourse-cdn.com/v4/letter/s/5f9b8f/32.png) [@sam](https://forums.ankiweb.net/u/sam)\
**Post date:** [May 3, 2023, 7:50pm UTC](https://forums.ankiweb.net/t/rendered-browser-support-thread/5683/3 "2023-05-03T19:50:16Z")

</div>

Hi,

Thank you for your praise. I’m surprised that you find the Qt6 version buggy - are you running one of the newer versions of anki that have Qt6 support on Apple Silicon (rather than an Intel version)? see: [https://apps.ankiweb.net/](https://apps.ankiweb.net/) for download links.

I myself am running Anki Qt6 Apple Silicon and face no lag.

However, if you still are facing issues then please reply to this again and I will see if I can dig up the old code. Even if not, it should only be a few lines of code different between the Qt5/Qt6 versions.

edit: tagging you @klau in case a reply does not notify you by default  
- Sam

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<div class="post-metadata">

**Author:** ![klau](https://avatars.discourse-cdn.com/v4/letter/k/87869e/32.png) [@klau](https://forums.ankiweb.net/u/klau)\
**Post date:** [May 4, 2023, 7:52am UTC](https://forums.ankiweb.net/t/rendered-browser-support-thread/5683/4 "2023-05-04T07:52:19Z")

</div>

Hi,  
I used the qt 6 and for some reason anki was laggy on the whole. However, rendered browser works on qt 5 perfectly. In my case, way better than on qt 6.  
I was wondering if this is due to me having used Rosetta in the past for the old Anki versions?  
Do you think that this add-on will stay compatible with qt 5? And if I understand you correctly, you intend to care for that add-on in the future?  
best

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<div class="post-metadata">

**Author:** ![johan\_kotze](https://avatars.discourse-cdn.com/v4/letter/j/b5a626/32.png) [@johan\_kotze](https://forums.ankiweb.net/u/johan_kotze)\
**Post date:** [February 18, 2025, 11:23am UTC](https://forums.ankiweb.net/t/rendered-browser-support-thread/5683/5 "2025-02-18T11:23:51Z")

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Hi,  
A very basic question, sorry. How do I access the add-on?  
I added it to my Desktop Anki but can’t figure out how to use it. I am expecting the option for an additional Browser window but don’t see it anywhere.  
Thanks and regards,  
Johan

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<div class="post-metadata">

**Author:** ![sam](https://avatars.discourse-cdn.com/v4/letter/s/5f9b8f/32.png) [@sam](https://forums.ankiweb.net/u/sam)\
**Post date:** [February 18, 2025, 12:48pm UTC](https://forums.ankiweb.net/t/rendered-browser-support-thread/5683/6 "2025-02-18T12:48:06Z")

</div>

Hi Johan. If you take a look at the 3rd screenshot on the [add-on page](https://ankiweb.net/shared/info/993394845), there should be a ‘render’ button next to the cog icon to the right of each deck name.

I haven’t tested the add-on in a long time so there is a chance it could be missing.

- Sam

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<div class="post-metadata">

**Author:** ![johan\_kotze](https://avatars.discourse-cdn.com/v4/letter/j/b5a626/32.png) [@johan\_kotze](https://forums.ankiweb.net/u/johan_kotze)\
**Post date:** [February 19, 2025, 8:47pm UTC](https://forums.ankiweb.net/t/rendered-browser-support-thread/5683/7 "2025-02-19T20:47:05Z")

</div>

Hi Sam,  
Thank you for the quick response. I was blind sorry.  
It does not work though, but I’m using the updated version by “Shige”, which does work as you intended.  
Thanks for a very useful addon.  
Regards, Johan

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<div class="post-metadata">

**Author:** ![jasmin](https://avatars.discourse-cdn.com/v4/letter/j/9de053/32.png) [@jasmin](https://forums.ankiweb.net/u/jasmin)\
**Post date:** [February 22, 2026, 6:11pm UTC](https://forums.ankiweb.net/t/rendered-browser-support-thread/5683/8 "2026-02-22T18:11:31Z")

</div>

The addon did not render on my computer. I have added the complete error mesage below. Can you fix this problem?

Anki 25.09.2 (3890e12c) (ao)

Python 3.13.5 Qt 6.9.1 PyQt 6.9.1

Platform: Windows-11-10.0.26200-SP0

```python
Error in sys.excepthook:

TypeError: thread_exception_handler() takes 1 positional argument but 3 were given

Original exception was:

Traceback (most recent call last):

  File "C:\Users\myusername\AppData\Local\AnkiProgramFiles\.venv\Lib\site-packages\aqt\webview.py", line 188, in cmd

    return json.dumps(self.onCmd(str))

                      ~~~~~~~~~~ ^^^^^

  File "C:\Users\myusername\AppData\Local\AnkiProgramFiles\.venv\Lib\site-packages\aqt\webview.py", line 275, in _onCmd

    return self._onBridgeCmd(str)

           ~~~~~~~~~~~~~~~~~ ^^^^^

  File "C:\Users\myusername\AppData\Local\AnkiProgramFiles\.venv\Lib\site-packages\aqt\webview.py", line 800, in _onBridgeCmd

    handled, result = gui_hooks.webview_did_receive_js_message(

                      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ^

        (False, None), cmd, self._bridge_context

        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

    )

    ^

  File "C:\Users\myusername\AppData\Local\AnkiProgramFiles\.venv\Lib\site-packages\_aqt\hooks.py", line 5543, in __call__

    handled = filter(handled, message, context)

  File "C:\Users\myusername\AppData\Roaming\Anki2\addons21\993394845\ __init__.py", line 181, in buttonFunction

    aqt.mw.ov = Rendered_Browser(did)

                ~~~~~~~~~~~~~~~~ ^^^^^

  File "C:\Users\myusername\AppData\Roaming\Anki2\addons21\993394845\ __init__.py", line 19, in __init__

    self.initUi()

    ~~~~~~~~~~~ ^^

  File "C:\Users\myusername\AppData\Roaming\Anki2\addons21\993394845\ __init__.py", line 48, in initUi

    self.scrollArea.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)

                                                 ^^^^^^^^^^^^^^^^^^^^^

AttributeError: type object 'Qt' has no attribute 'ScrollBarAlwaysOff'

===Add-ons (active)===

(add-on provided name [Add-on folder, installed at, version, is config changed])

Anki Loop Gamified Quiz Mode Flashcards Like Quizlet ['789747855', 2026-01-17T10:49, 'None', '']

AnkiCollab - The free collaboration Platform ['1957538407', 2026-02-20T11:03, 'None', mod]

Ankihoot - Kahoot style gamification ['641957575', 2025-03-24T08:50, 'None', mod]

Image Occlusion Enhanced ['1374772155', 2022-04-09T09:15, 'None', '']

Rendered Browser ['993394845', 2022-07-04T23:55, 'None', '']

Review Heatmap ['1771074083', 2022-06-30T03:43, 'None', '']

remove linebreaks do word wrap ['2028179508', 2025-08-27T18:58, 'None', '']

```

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<div class="post-metadata">

**Author:** ![sam](https://avatars.discourse-cdn.com/v4/letter/s/5f9b8f/32.png) [@sam](https://forums.ankiweb.net/u/sam)\
**Post date:** [February 23, 2026, 7:42pm UTC](https://forums.ankiweb.net/t/rendered-browser-support-thread/5683/9 "2026-02-23T19:42:46Z")

</div>

Hi Jasmin,

Nice to see people are still using my add-on from 5 years ago. I’ve pushed an update which should fix it. Either close and reopen Anki, or navigate to Tools→Add-ons→Check for Updates.

I’d appreciate if you could verify that it works for you now.

I might look into rewriting this add-on soon to improve it 🙂

Best,  
Sam

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<div class="post-metadata">

**Author:** ![jasmin](https://avatars.discourse-cdn.com/v4/letter/j/9de053/32.png) [@jasmin](https://forums.ankiweb.net/u/jasmin)\
**Post date:** [February 28, 2026, 4:44pm UTC](https://forums.ankiweb.net/t/rendered-browser-support-thread/5683/10 "2026-02-28T16:44:47Z")

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Thank you!! Now it is working!

It’s just a little “buggy”: windows are opening and closing really fast for every rendered card, but I can live with that 🙂
