Skip to Content

Apple Releases Xcode 4.0.1

by

134430 xcode 4 screenshot

Alongside today's release of iOS 4.3.1, Apple has also pushed out Xcode 4.0.1, updating the company's tools for iOS and Mac OS X development.

What's New in Version 4.0.1

- Improved Assistant editor logic when switching among different file types
- Fixed a bug in "Install Xcode.app" that hangs at 99% complete, never finishing
- Fixed a bug that prevented indexing of some projects
- Fixed a bug related to nil settings in the Core Data model editor
- Fixed a bug that prevented automatic download of iOS documentation
- Fixed a bug in LLVM GCC 4.2 and LLVM compiler 2.0 for iOS projects
- Additional bug fixes and stability improvements

Xcode 4.0.1 is available free of charge to members of Apple's paid developer programs, and non-members can purchase the application for $4.99 in the Mac App Store.

Popular Stories

imac video apple feature

Apple Unveils Seven New Products

Friday March 6, 2026 11:48 am PST by
Apple this week unveiled seven products, including an iPhone 17e, an iPad Air with the M4 chip, updated MacBook Air and MacBook Pro models, a new Studio Display, a higher-end Studio Display XDR, and an all-new MacBook Neo that starts at just $599. iPhone 17e features the same overall design as the iPhone 16e, but it gains Apple's A19 chip, MagSafe for magnetic wireless charging and magnetic...
Apple MacBook Pro M4 hero

Apple Planning 'MacBook Ultra' With Touchscreen and Higher Price

Sunday March 8, 2026 8:05 am PDT by
Apple is planning to launch an all-new "MacBook Ultra" model this year, featuring an OLED display, touchscreen, and a higher price point, Bloomberg's Mark Gurman reports. Gurman revealed the information in his latest "Power On" newsletter. While Apple has been widely expected to launch new M6-series MacBook Pro models with OLED displays, touchscreen functionality, and a new, thinner design...
MacBook Neo Feature Pastel 1

First MacBook Neo Benchmarks Are In: Here's How It Compares to the M1 MacBook Air

Thursday March 5, 2026 4:07 pm PST by
Benchmarks for the new MacBook Neo surfaced today, and unsurprisingly, CPU performance is almost identical to the iPhone 16 Pro. The MacBook Neo uses the same 6-core A18 Pro chip that was first introduced in the iPhone 16 Pro, but it has one fewer GPU core. The MacBook Neo earned a single-core score of 3461 and a multi-core score of 8668, along with a Metal score of 31286. Here's how the...