Adam Engst: Allen Gainsford first reported the issue, noting that many of his BBEdit AppleScripts no longer worked after upgrading to macOS 26.4. Attempting to run them produced macOS error code -1758 (errOSADataFormatObsolete)[…] Further investigation by Dafuki revealed a nuanced situation. In his testing, many AppleScripts—even some dating back to 2006—continued to run without issues […]