Prevent empty <LabelText> in <ContentVersion> (#2594).
Use the same code for both Interop and SMPTE ratings controls.
Fix missing buttons for ratings lists.
Use libdcp's warnings.h
Disable warnings around all wx includes.
Tidying.
Use release territory from Interop/SMPTE metadata instead of ISDCF metadata dialogue.
Put subtitle language back into content from the film (#1930). This also adds the main/additional language flag. Of all the considerations about how to specify subtitle language, the most important seems to be that the language specification happens for the content where the language is; i.e. in the content text tab.
std::shared_ptr
Fix label alignment.
Store subtitle language(s) in Film, and allow setup of those languages from the Interop/SMPTE metadata dialogues.
macOS / new boost build fixes.
Support CPL metadata.