Apple released the second beta of macOS Sequoia to developers and while the release notes contain information that mostly pertains to developers, there are often tidbits that users would like to know, too. One important detail in the notes covers a longtime problem in macOS: the free storage space requirement for downloading and installing software is no longer. According to the release notes:
Starting in macOS 15, the App Store no longer needs twice the space free for an initial app download and install. The free space requirement will now be the final install size of the app, plus a small buffer. Developers should consider this change in any messaging they might have around size requirements.
Read more at Macworld.com