Dynamics 365 Business Central: Development - Evolve AL interfaces with default implementations Beta
Data as of 2 hours ago (26 October 2026)
Description
"Add default method bodies to AL interfaces so existing implementors continue working, then use RequiredPending and analyzer rules to introduce required methods safely. Business value: Extension publishers can add behavior to an interface without immediately requiring every implementing extension to change. Default methods provide a compatible implementation, while the new transition attribute and AppSourceCop rules support a managed path toward making a method mandatory in a future version. This reduces disruptive interface upgrades and gives dependent developers time to adopt new contracts."
Change history
Added to the roadmap 30 September 2026. Tracked here since 1 October 2026. Earliest target we recorded: October 2026 (since tracked — Microsoft may have moved it before we started watching).
Nothing has changed on this item since tracking began on 1 October 2026. Changes appear here as Microsoft updates the feed.