I'm using Xcode 15.2 and have migrated my (macOS) project to use an xcstrings file a while back. Now when I check the xcstrings file, all items are marked as "stale". When I add new localized strings in code, they don't show up in the xcstrings file. The xcstrings file is built correctly (into <locale>.lproj/Localizable.strings) when building.
Where can I check which source files are checked to update xcstrings status? "xcstringstool" appears to have a "sync" feature which reads "stringsdata" files, but there is no information in the xcstringstool help on where the stringsdata files come from.
If I create a new project I can see a "stringsdata" file being generated for each source file in the intermediate build products folder.