Checklist

• I am able to reproduce the bug with the latest version given here: CLICK THIS LINK.
• I made sure that there are no existing issues - open or closed - which I could contribute my information to.
• I have taken the time to fill in all the required details. I understand that the bug report will be dismissed otherwise.
• This issue contains only one bug.
• I have read and understood the contribution guidelines.

Affected version

0.8

Steps to reproduce the bug

1. Open the app.
2. Send a few messages on the main screen.
3. Change your nickname.
4. Observe that the sender color of your previous messages has also changed.
5. On another device, set a user’s nickname to match yours exactly.
6. Notice that both users now share the same sender color.

Expected behavior

The sender color of previous messages should remain the same, even after changing your nickname.

or

When the nickname is changed, previous messages should display the new nickname but retain their original sender color. (More complex)

Actual behavior

No response

Screenshots/Screen recordings

1. Single user: changing nickname updates sender color in past messages.

2. When two or more users use the same nickname.

Affected Android/Custom ROM version

Android 16.0

Affected device model

No response

Additional information

No response