let fontURL = Bundle.main.url(forResource: "My Font Name", withExtension: "ttf")! let error: Unmanaged<CFError>? if CTFontManagerRegisterFontsForURL(fontURL as CFURL, .process, &error) print("Font with spaces installed successfully.") else print("Error: \(error?.takeRetainedValue())")
With the release of , Apple quietly slayed a major dragon: The Fixed Space Font rendering bug.
To use a specific fixed-space font on your iPhone or iPad, you must install it via a configuration profile. 1. Find a Fixed Space Font
Look for "Bold Text" or "Larger Text" to tweak visibility, though specific font-face switching remains restricted to apps that support custom font pickers. For Design Projects (Mac/External):
If you are a developer or writer who relies on ASCII diagrams or indented code blocks inside iOS apps, iOS 15.4 is a mandatory update.
Though overshadowed by flashier features like "Face ID with a Mask," the correction represents Apple’s commitment to professional-grade typography. By stabilizing how the system interprets character width, Apple reinforced the iPad’s trajectory as a legitimate tool for coding and technical writing, ensuring that precision remains at the heart of the user experience.
In addition to the fixed space feature and font download option, iOS 15.4 also includes:
Apple has released iOS 15.4, the latest update to its mobile operating system. This update brings several exciting features, bug fixes, and improvements to your iPhone. One of the most notable changes is the introduction of a fixed space feature and a new font download option.
The screen will now load quickly, showing a color-coded bar at the top indicating how much space is used by different categories (Apps, Photos, Messages, System Data, etc.), followed by a list of all installed apps sorted by how much storage they consume.
Update to iOS 15.4 (or later), download the font pack linked above, and finally reclaim your whitespace.
: Engineered specifically for high readability over extended periods of reading or editing code. How to Download & Install Custom Fonts on iPhone
It is Apple's own monospaced font, designed perfectly for iOS.
For developers using , the monospaced() modifier is the cleanest solution. For example, to fix a jumping timer:
