When open IDE 2.0.3, two tabs are created with the same file-name. If I test to change the sketch in one of them . The other is also changed, so it is the same file. I cannot delete one tab. I have tried to reinstall IDE but it is the same result. Windows 10.
It's a known issue.
opened 04:46PM - 29 Dec 22 UTC
topic: code
type: imperfection
### Describe the problem
I included a library via the menu and somehow this r… esulted in another tab opening for the same file. When I try to delete the file nothing happens. I've tried to move the sketch to some other folder and then open and that seems to work (after it renames the parent folder), but when I move it back to the original folder the new tab reappears.
I'm on Ubuntu 22.04.1 LTS and the latest stable version of the IDE shown on the website at the time of writing (2.0.3). I also tested on the latest nightly and it occurs there too.
If you need log files or something, please let me know.

### To reproduce
I tried reproducing and couldn't. But the issue is still there, even when I open the project on the nightly build.
### Expected behavior
Delete closes the tab. Or closing and reopening the ediitor...
### Arduino IDE version
2.04-nightly-20221229
### Operating system
Linux
### Operating system version
22.04.1 LTS
### Additional context
The fact that this occurs across builds and after moving things around makes me think this has something to do with some kind of cache or (sketch?) settings file somewhere, but I don't know for sure.
I also remember the save icon being on briefly. I have autosave on, so I'm not sure if this happened before or after the library was included.
---
Additional reports:
- https://github.com/arduino/arduino-ide/issues/656#issuecomment-1363100279
- https://forum.arduino.cc/t/2-0-beta-rc9-duplicate-tabs/1012459/4
- https://forum.arduino.cc/t/2-0-beta-rc9-duplicate-tabs/1012459/5
- https://forum.arduino.cc/t/arduino-ide-2-0-3-duplicate-tab-page/1084561
- https://forum.arduino.cc/t/ide-restarts-during-a-start/1081761
- Includes screencast and logs
- https://forum.arduino.cc/t/ide-2-0-3-double-tabs/1066585/1
- https://forum.arduino.cc/t/ide-2-0-3-double-tabs/1066585/2
- https://forum.arduino.cc/t/ide-2-0-3-double-tabs/1066585/3
- https://forum.arduino.cc/t/new-year-new-problems/1072182
- https://arduino.stackexchange.com/questions/91777/how-to-get-rid-of-the-second-tab-in-arduino-ide-2
---
Related:
- Previous incarnations of the duplicate tab bug (resolved:
- Issues:
- https://github.com/arduino/arduino-ide/issues/1054
- https://github.com/arduino/arduino-ide/issues/793
- https://github.com/arduino/arduino-ide/issues/665
- https://github.com/arduino/arduino-ide/issues/656
- PRs:
- https://github.com/arduino/arduino-ide/pull/1085
- https://github.com/arduino/arduino-ide/pull/1024
- https://github.com/arduino/arduino-ide/pull/1012
- https://github.com/arduino/arduino-ide/issues/482
- This bug produces a similar fault, but is otherwise unrelated.
### Issue checklist
- [X] I searched for previous reports in [the issue tracker](https://github.com/arduino/arduino-ide/issues?q=)
- [X] I verified the problem still occurs when using the latest [nightly build](https://www.arduino.cc/en/software#nightly-builds)
- [X] My report contains all necessary details
There are also some reports here on the forum.
system
Closed
August 11, 2023, 3:11pm
3
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