⎕WC class definition persistence across Dyalog version upgrades with ⎕ML misalignment
The persistence of ⎕WC class definitions across Dyalog major version upgrades remains ambiguous when the ⎕ML mixed-language flag setting differs between save and load sessions. A class definition saved in Dyalog 17.x embeds version-specific metadata that Dyalog 19+ may interpret through an updated class schema, potentially triggering WS FULL errors or silent
dyalog