Dddl 8.14- 8.15- 8.16 8.18- 8.19 [Reliable]

Fully backward-compatible with 8.16 (no schema or client changes required).

A: Not recommended. You would miss the breaking-change migration in 8.15, causing silent data corruption. Always step through 8.15 first. DDDL 8.14- 8.15- 8.16 8.18- 8.19

-- DDDL 8.15 migration ALTER TABLE raw_events DROP COLUMN old_device_type; ALTER TABLE raw_events ADD COLUMN event_date DATE DEFAULT CURRENT_DATE; -- Existing rows get NULL for event_date; new rows must provide it. Fully backward-compatible with 8

Mandatory for any public-facing DDDL endpoint. DDDL 8.14- 8.15- 8.16 8.18- 8.19

Better synchronization with fleet management servers for remote diagnostics. ⚙️ Why Versioning Matters

As the software evolved from 8.14 to 8.19, Detroit Diesel introduced several feature enhancements and stability fixes: