Japanese input cause error, on iPhone SE chrome browser with CKEditor5 19.0.0.

[higty]

📝 Provide detailed reproduction steps (if any)

In iPhone chrome, I input Japanse text error occurred.

✔️ Expected result

No error occurred.

❌ Actual result

error occurred.

📃 Other details

• Browser: …chrome
• OS: …iPhone SE
• CKEditor version: …CKEditor5 19.0.0

---

[Mgsy]

Hi! Thanks for the report. Unfortunately, I'm not able to reproduce the issue. Could you please provide more details (iOS version, used keyboard), steps to reproduce with some video (if possible)?

[higty]

Here is a video.

And you can reproduce this behavior at
https://www.hignull.com/CKEditor
with iPhone SE latest chrome browser.

And additionaly, the bug report linked below may be caused by same reason.
#6700

regards.

[higty]

Is there any progress?

[Mgsy]

Hey @higty, I'm sorry for a late reply. Unfortunately, I'm still not able to reproduce your issue. It doesn't crash for me on iPhone 8 (iOS 13.4.1) and Google Chrome. Could you please check if you're able to reproduce it in our documentation example? If so, please provide exact steps to reproduce.

[higty]

Thank you for your progress.
I try on https://ckeditor.com/docs/ckeditor5/latest/examples/builds/classic-editor.html.
And I can reproduce the bug.

1.Go to https://ckeditor.com/docs/ckeditor5/latest/examples/builds/classic-editor.html
2.Clear all text in ckeditor.
3.Key stroke "あ", "か", "さ"

Actual behavior ああかさ is inputed.
Expected behavior あかさ is inputed.

I will provide anything that will help you.

regards.

[higty]

Hi.
I took video for reprodcut step.
https://vimeo.com/425881160/60decb6415

regards.

[Mgsy]

Thank you, now I was able to reproduce this issue in Chrome browser. However, in Safari it works properly. Could you please confirm that this issue doesn't exist in Safari?

[higty]

Safari on iPhone SE works perfect!

[Mgsy]

Safari on iPhone SE works perfect!

Thanks for confirming it! :) So, the issue occurs only in mobile-Chrome browser.

[higty]

Yes, only mobile-Chrome browser.

And FYI, it might be related to this issue.
#6700
Behavior is resemble.

regards.

[higty]

Hi. is it any pregress?

[higty]

Hi!!
It is very critical bug for China, Korea and Japanese language.
Is there any progress???
Is there any milestone to solve this bug?

[Mgsy]

Hi @higty! There will be a huge change in the editor engine because we plan to continue our work on beforeInput migration. Hopefully, after it's done, a major part of IME issues will be fixed. You can track the progress here - #7462.

[higty]

Hi, @Mgsy!!!
I'm relieved to hear about the progress. And I also realized that the changes would be huge and difficult.
I'm really looking forward to getting this bug fixed. I will watch #7462.

[higty]

Is there any progress?

[Mgsy]

@higty, unfortunately not yet. We'd love to work on it and it's high on our priorities list, however, we still have some other commitments and roadmap plans that we should handle first.

[higty]

Hi.
I want to try to create work around of library.
Where should I look at the source code that I will try to fix?
Is there any document of architecture of entire library?

[higty]

@Mgsy
Is there any progress?? It is really critical bug for Japanese, Chinese, Korean language.
Please consider to change the priority of this issue.

regards.

[Mgsy]

@higty, we really understand that issues related to IME are crucial for some projects, however, as I mentioned before, those issues are not trivial and require massive changes in the editor codebase, i.e. migrating to beforeInput. It's high on our priorities list, but currently, I can't promise any ETA.

[higty]

Hi.
Unfortunately, We decided to move TinyMCE.
So, you don't fix this bug with high priority.

regards.

[Reinmar]

@ckeditor/qa-team could you retest this issue on an up-to-date iOS?

[dufipl]

@Reinmar using those reproduction steps:

1.Go to https://ckeditor.com/docs/ckeditor5/latest/examples/builds/classic-editor.html
2.Clear all text in ckeditor.
3.Key stroke "あ", "か", "さ"

Actual behavior ああかさ is inputed.
Expected behavior あかさ is inputed.

from comment #6821 (comment)
I was not able to reproduce the issue on Chrome mobile installed on iPhone with iOS 16.0.3:

RPReplay_Final1670913919.MP4

[Mgsy]

I'm closing it, as it is no longer reproducible.

[yanghoxom]

it happens for me in Ckeditor 29.1.0 for react
I can confirm this happened fixed on the current classic editor version (look like 38.0.1)

[Witoso]

@memsenpai could you open a new issue with the browser's details and a recording 🙏

[yanghoxom]

@Witoso
I think it is not necessary because it did not happen on the latest version
I'm working on upgrading my project to the latest version of ckeditor5