Support for apple string catalog

[sergihernanz]

Is there any planned support for apple String Catalogs format ??

https://developer.apple.com/documentation/xcode/localizing-and-varying-text-with-a-string-catalog

[nodediggity]

I am interested in this support also

[vladdorfman]

Me too

[Ausianovich]

Me too

[r-comeau]

According to the CLI docs (lokalise2_file_download.md):

List of supported file formats is available here: https://docs.lokalise.com/en/collections/2909121-keys-and-files#supported-file-formats

That list includes Apple XCStrings (.xcstrings), which suggests that the lokalise2 CLI should support exporting this format. However, the CLI does not seem to recognize any format slug for XCStrings (e.g. xcstrings or apple_xcstrings), and the format is currently only exportable via the web interface.

For many projects, localization files are downloaded as part of automated scripts or CI pipelines, so missing XCStrings support in the CLI creates a workflow gap. It would be very helpful to have CLI support for this format.