Issues with Agent Mode in Claude 4.0 Sonnet – Formatting & Indentation Problems

Bug Reports
1

:lady_beetle: Bug Description:

When using Claude 4.0 Sonnet in Agent Mode, file formatting is frequently incorrect. This includes:

  • Missing line breaks
  • Incorrect or inconsistent indentation
  • Structural formatting errors across various file types

:counterclockwise_arrows_button: How to Reproduce:
Use Agent Mode with Claude 4.0 Sonnet on supported files. The formatting issues seem to occur intermittently, particularly after multi-step edits.

:open_file_folder: Affected File Types:
.py, .svelte, .html

:laptop: Environment:

  • Operating System: Windows 11
  • Cursor Version: 0.50.6
  • Model: Claude 4.0 Sonnet
2 Likes
2

already created a topic about it but ye its super broken now

3

Hey, could you share the request ID? For this, you need to disable privacy mode if it’s enabled, then reproduce the issue when it happens again and copy the ID.

4

Hey, apologies for this, this should be resolved now, but you may have to start a new chat!