gitsocko opened a new issue, #9531:
URL: https://github.com/apache/netbeans/issues/9531
### Apache NetBeans version
Apache NetBeans 30
### What happened
On first launch after upgrading to Apache NetBeans 30, the IDE starts with a
fresh profile instead of detecting and importing the previous version's user
profile.
The NetBeans 30 window layout is reset, previously open and recent projects
are missing, editor preferences are not retained, database connections are
absent, and other profile settings are not migrated. No useful migration prompt
appears.
Expected behavior: On first launch, NetBeans 30 should detect the most
recent prior profile and offer to migrate the UI layout, open/recent projects,
editor preferences, database connections, and other user settings.
### Language / Project Type / NetBeans Component
IDE startup / user profile migration
### How to reproduce
1. Use Apache NetBeans 29 on macOS with a configured UI layout, open/recent
projects, editor preferences, database connections, and other user settings.
2. Install Apache NetBeans 30.
3. Launch NetBeans 30 for the first time.
4. Observe that no useful migration prompt appears.
5. Observe that NetBeans 30 opens with a fresh layout and no knowledge of
the prior recent/open projects or other profile settings.
This was reproduced on two Macs:
- Apple-silicon MacBook Air, upgrading NetBeans 29 to 30.
- 2017 Intel iMac, upgrading NetBeans 25 to 30.
The failure occurred on both upgrade paths.
### Did this work correctly in an earlier version?
No / Don't know
### Operating System
macOS 26.5.2 (build 25F84), Apple silicon arm64; also reproduced on a 2017
Intel iMac
### JDK
Eclipse Adoptium OpenJDK 26.0.1+8, aarch64
### Apache NetBeans packaging
Community provided installer
### Anything else
Current system:
- MacBook Air (Mac16,12)
- Apple M4, 10-core CPU
- 16 GB memory
- macOS 26.5.2 (build 25F84), arm64
- Apache NetBeans IDE 30
- Build: 30-46c1feab2cb98b58ae1eccb4f9fba1c29137cf5d (11 May 2026)
- Runtime: Eclipse Adoptium OpenJDK 26.0.1+8, aarch64
Workaround that restores the previous profile:
```bash
rm -rf ~/Library/Application\ Support/NetBeans/30
cp -a ~/Library/Application\ Support/NetBeans/29 \
~/Library/Application\ Support/NetBeans/30
rm -rf ~/Library/Application\ Support/NetBeans/30/var/cache
rm -f ~/Library/Application\ Support/NetBeans/30/lock
```
Related reports found during duplicate search:
- #6365 requests preserving editor/index history across upgrades, but does
not report this NetBeans 30 full-profile migration failure.
- #9410 concerns only target servers for web projects and does not cover the
fresh-profile behavior described here.
### Are you willing to submit a pull request?
No
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