Arduino 1.9 on macOS 10.13 — arduino-builder Remains Active
Open
IDE 1.9.x Beta
Type: Bug
- Dominant language
- Java
- Stars
- 14.6k
- Forks
- 7k
- PR merge metrics
- No merged PRs in 30d
Description
After having used and quit Arduino 1.9 on macOS 10.13, `arduino-builder` remains active and takes up to 65% of the processing power.

The only option to terminate it is to force-quit it from the **Activity Monitor**.

Contributor guide
Research direction
Start by reproducing the lingering arduino-builder process after quitting Arduino 1.9 on macOS 10.13 and identify the relevant desktop application entry point. No source file or test is named in the issue; done means the process exits when the IDE quits without requiring Activity Monitor.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- java, macos
- Domain
- desktop, operating-systems
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100