File tagging broken

Where does the bug appear (feature/product)?

Cursor IDE

Describe the Bug

typing @ then file name hangs a TON of the time when tagging file and especially when typing fast. Maybe on big projects. The whole ide hangs forever and window is not responding message appears after a while.

Steps to Reproduce

open a large project. Type @ then type name of the file quick. Move with arrows inside the menu that appears to select the file and press enter. Most of the time somewhere a long the process starting after typing the @ cursor will completely hang.

Operating System

Windows 10/11

Current Cursor Version (Menu → About Cursor → Copy)

Version: 2.0.77 (system setup)
VSCode Version: 1.99.3
Commit: ba90f2f88e4911312761abab9492c42442117cf0
Date: 2025-11-13T23:10:43.113Z
Electron: 37.7.0
Chromium: 138.0.7204.251
Node.js: 22.20.0
V8: 13.8.258.32-electron.0
OS: Windows_NT x64 10.0.26100

Does this stop you from using Cursor

Sometimes - I can sometimes use Cursor

Thanks for the report. Does the IDE hang only during @ file tagging, or do you experience freezes in other scenarios too?
If it does freeze in other scenarios, can you test with extensions disabled? Run cursor --disable-extensions from the command line

-only file tagging. Others outside the tagging do happen but not as often, but the file tagging happens consistently even on a fresh start of cursor. Like I restarted 4 times in arrow doing the same sequence.
it’s honestly a combination of long conversations and multiple agents with a lot of edits and the file tagging.

I tried briefly in the no extension mode, didn’t have my conversations at that moment, the problem didn’t occur on a fresh start same codebase same file tagged.

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