Bug in spreadsheet when adding a new date to a table

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OS version: Nobara Linux 42 (Fedora42)
App version: 9.1.0
Downloaded from: flatpak
Additional information:
In spreadsheets, when I open a worksheet with dates as the header in a table, and I want to add a value, it completely changes the current row, modifying the values ​​as if a DATEVALUE() function had just been executed.

This is not what is intended, since the default format I provided is, therefore, that the added new value should take the following format:

  • Format: Date
  • Regional settings: French - France
  • Format: 15/04/2006

Also, if I change the current cell to a “Date” format with the same parameters as above before entering the value, it makes no difference.

*I haven’t tried it on an online version of OnlyOffice.
*This bug does not appear to be reproducible on LO, since their spreadsheet does not allow adding a new value to a table like on Excel or OO.

Hello @Lucien

Can you provide a screenshot of such table? It’d be even better to have a sample file for analysis.

In general, do I understand that you are referring to tables like the ones created with “Format as table template” button and that have dates in the “header” row?

That’s correct.

However, as a new member, I’m unable to upload files (videos, spreadsheets, or screenshots).

But to reproduce the issue, you can create a table. Then, use dates as headers. By adding a date to the cell next to a header to add a column to the table, the column’s format changes completely, and this also changes all the headers.

I have a sample file or video if needed (but I can’t upload it here because I’m a new member).

New members of the community indeed cannot attach the files as their trust level is insufficient. Please refer to my comment here on that query:

Alternative way to share files would be using third-party could storage to upload file there and share a link to it.

So, I’m taking the liberty of providing you with the two files from a Google Drive… (I’m not a fan of this solution, but it’s the best I have)

MKV (Video): https://drive.google.com/file/d/1RQFvn0noz28FxD-A5DXrfefYmR1Ktwnl/view?usp=sharing

XLSX (Spreadsheet): https://docs.google.com/spreadsheets/d/1AhL-uxQYJbml7L2_QEWDQB4vfCBPVSLN/edit?usp=sharing&ouid=108128663745348056971&rtpof=true&sd=true

Thank you for your replies and for the attention you are giving to the report.

Thank you for the information. I have forwarded it to the QA team to check out. I’ll keep you posted on the results.

I was informed that this issue has been registered as a bug. Sorry for inconvenience.

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