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• 4D Installation Guide
• *** New documentation website ***
• 4D v19.x Release Notes
• 4D Language Reference
• 4D Design Reference
• 4D Server Reference
• 4D for iOS
• 4D for OCI
• 4D Internet Commands
• 4D ODBC Driver
• 4D Progress
• 4D SQL Reference
• 4D SVG Component
• 4D View Pro Reference
• 4D Widgets
• 4D Write Pro Reference
• 4D XML Keys Backup
• 4D XML Keys BuildApplication
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