Delphi 10.3.3 Rio

The fastest way to build connected apps for Windows, Linux, Mac, iOS, Android, Gadgets, and Wearablesproduct box mockup DX Rio


Delphi is the nimble Object Pascal IDE and component library for cross-platform native application development you’ve come to expect. Write, compile, package and deploy enterprise grade, cross-platform native applications with flexible cloud services and broad IoT connectivity from the first IDE with integrated Windows 10 Desktop Bridge packaging. Compile native applications for Linux and Windows server and reach the widest audience with App Store support for Windows 10, macOS, iOS and Android - all from a single code base. Delphi 10.3.3 delivers update subscription customers a new Linux compiler and a host of community voted feature requests and RTL improvements.

With Delphi 10.3.3 Rio you get:

  • Create fast native apps for Windows, Mac and mobile from one codebase
  • Windows and Linux server support
  • Build 64-bit Windows applications and parallelize existing code
  • Android 64-bit support for Delphi
  • Bind any control to other objects or datasets with LiveBindings
  • Get universal enterprise database connectivity with FireDAC
  • Modernize Windows applications with new components and styles
  • Extend Windows apps with mobile and wearable companion apps
  • Access cloud based BaaS and REST services
  • Easily deploy stateless, restful, scalable, and secure turnkey middleware to mobilize Enterprise apps
  • Get a fast start and fast results 

Click here to download free 30-days trial of Delphi Architect Edition Trial!


Embarcadero Delphi 10.3.3 Rio is the complete software development solution for rapidly building highly connected applications for Windows, Linux, Mac, iOS, Android, Gadgets, and Wearables

xe8 platforms


RAD Server

RAD Server is a turn-key application foundation for rapidly building and deploying services based applications. RAD Server provides automated Delphi and C++ REST/JSON API publishing and management, Enterprise database integration middleware, IoT Edgeware and an array of application services such as User Directory and Authentication services, Push Notifications, Indoor/Outdoor Geolocation and JSON data storage.

A single server/single site deployment license of RAD Server is included with Delphi, C++Builder and RAD Studio Enterprise and Architect edition ($5000 value). Complimentary licenses can be purchased seperately.

Enterprise Connectors

Move, integrate, and analyze data with ease utilizing our NEW FireDAC Enterprise Connectors, powered by CData. These unparalleled components allow you to integrate 80+ Enterprise applications, simplifying connectivity into a standard model using SQL.

Data today is more decentralized than ever, not to mention difficult to access with the average company running upwards of 20+ SaaS applications, and at least as many on-premise applications. Make better business decisions, eliminate headaches and increase time to productivity by organizing vast amounts of data in an actionable format fast and efficiently with these drivers.

Enterprise Connectors is bought as a seperate product to be used with Delphi, C++Builder or RAD Studio.


Links with additional information

Alfasoft Delphi Trainings

Embarcaderos Events

Embarcaderos Awards

Embarcadero Community Forum

Embarcadero Help

Delphi Feeds

Data Sheet (PDF)

Delphi FAQ

Features Matrix (PDF)

Embarcadero - Who we are (PDF)


Special Offer

Join us celebrating the 25th birthday of Delphi with 25% discount on new Delphi licensesBallons

Delphi recently celebrated its 25th birthday. We want to celebrate this by offering Delphi with 25% discount. The offer is valid for the editions Professional, Enterprise and Architect.

Terms and conditions
• The offers can not be combined with other offerings.
• ESD, Network Named, Concurrent licenses are Included. 5 & 10 Packs, Academic licenses, as well as renewals, are excluded.
• You do not need to have active Update Subscription to take advantage of the upgrade campaign.
• Offer valid through March 23, 2020.
• Embarcadero reserves the right to change, cancel or amend the offer at any time.
• Offer applies to new perpetual license purchases only. Does not apply to subscription SKUs.
• Offer void where prohibited by law.
• Additional restrictions may apply.

New Features

Key RAD Studio 10.3.3 features

With Release 3, developers can target the Google Play Store with 64-bit versions of their FireMonkey Delphi apps, simplify their multi-tier application development and deployment of RAD Server through a pre-built Docker image and build C++ and Delphi applications for iOS 13 and Delphi apps for macOS Catalina. Developers can also access over 70+ data sources with an included Enterprise Connector subscription license for Enterprise and Architect edition users.

Delphi Android 64-bit Support

Support the Google Play Store and address the new 64-bit requirement

New in 10.3.3 is Android 64-bit application support for Delphi. Build Google Play Store ready Android 64-bit applications, complete with Android App Bundle support. Reach a large customer base of Android users with Delphi 10.3.3.

  • A new Delphi compiler for the Android 64-bit platform, based on the LLVM compiler infrastructure. This compiler is feature-compatible with the Android 32-bit compiler and it has support for the ARC memory model like all other Delphi mobile platform compilers (iOS 32- and 64-bit, and Android 32-bit).
  • Extensive RTL support including core file system access, platform integration, memory and threads management, but also HTTP and REST client libraries, the Parallel Programming Library, and more.
  • Complete support for the FireMonkey library and all FireMonkey controls previously available on the Android 32-bit platform.
  • Support for the database RTL and the FireDAC client access library, with support for the same databases previously available on the Android 32-bit platform.
  • Improvements in FMX support for the Android platform, for both 64-bit and 32-bit apps
  • InterBase support for Delphi Android 64-bit. Target Android 64-bit with embedded InterBase (IBLite and IBToGo)

iOS 13 and macOS Catalina Support

Target the Apple App Store and latest macOS & iOS versions

New in 10.3.3 is support for targeting the iOS 13 App Store (for Delphi and C++Builder) and macOS Catalina (Delphi only). Build App Store ready iOS 13 mobile applications, complete with Dark Theme support. Target the macOS App Store with 64-bit macOS Catalina Delphi apps, complete with notarization support.

RAD Server Docker Deployment

Much easier configuration and deployment for RAD Server multi-tier

10.3.3 includes RAD Server Docker deployment and configuration support through built-in scripts
. We also provide a pre-built Docker image for RAD Server on Linux, hosted on Docker Hub. This greatly simplifies the deployment of RAD Server to production in Docker.

Enterprise Connectors in Enterprise & Architect Edition

Make connecting to any application as easy as connecting to a database

Included is a 1 year subscription license to Enterprise Connectors. Enterprise Connectors, powered by CData, make connecting to any application as easy as connecting to a database. Take advantage of 70+ sources, as part of your Enterprise and Architect edition purchase (also available to customers on Subscription).

  • Move, integrate, and analyze data with ease utilizing our FireDAC Enterprise Connectors. These unparalleled components allow you to integrate 70+ Enterprise applications, simplifying connectivity into a standard model using SQL.
  • Included are components for QuickBooks Desktop, MailChimp, Salesforce, YouTube, SugarCRM, Jira, SurveyMonkey, Amazon DynamoDB, Couchbase, PayPal, eBay, Google Sheets, Facebook, Twitter, Slack, Dropbox and more.

Also included in 10.3.3 are over 180 quality improvements for customer reported issues. 

Please watch What’s New in 10.3.3 Video:

What’s New in 10.3.3 Product Page:

Delphi 10.3.2 features:
•    macOS 64-bit application support for Delphi
•    RAD Server wizards and deployment improvements with automatic FireDAC database mapping and API documentation, new RAD Server admin console, and more
•    Firebase push notification support for FireMonkey Android applications
•    FMXLinux bundling with Delphi and RAD Studio for Linux Client Application Support
•    Significant VCL quality improvements


Delphi 10.3.1 Features

-IDE Productivity Tooling: With Bookmarks, Navigator, and code minimap, developers can quickly move around their code, useful in large units; locate and remember important areas; and visually quickly scroll through their current code within the IDE
-Expanded support for iOS 12 and iPhone X series devices, addressing upcoming App Store requirements    
-RAD Server Console UI redesign and migration to the Ext JS framework, providing an enhanced user experience when viewing RAD Server API analytics
-Improved FireDAC support for Firebird 3.0.4 and Firebird embedded     
-HTTP and SOAP Client Library Enhancements on Windows     
-New VCL Windows and FireMonkey Multi-Device Styles for quickly updating the look and feel of an application    
-Fixes to over 150 customer-reported bugs

Delphi 10.3 Features:

New Language Features for Delphi
-The first additions to the Delphi language in several years, the new Delphi language features provide more flexibility when coding, and address top Delphi language feature requests from our power users. 

Extensive IDE Modernization
-RAD Studio 10.3 includes a new light theme and an updated dark theme, and an improved look and feel of the main window and several key dialogs for a more modern style with an emphasis on readability and usability for long periods of time.
-Significantly improved code completion for C++, providing better results for developer productivity, using a new asynchronous architecture to allow users to keep typing as results are calculated

Key Windows Enhancements
-With the new VCL High DPI ImageList control in 10.3, developers building VCL Windows applications can fully support multi-resolution, pixel perfect images on all controls, as well as any custom drawing requiring scaled images for multiple resolution monitors.
-We've also expanded the number of Windows APIs that VCL and FireMonkey developers can use in their applications, including a new ready-to-use component for enabling in-app purchases and trial mode in Windows 10 Store apps

Key FireMonkey Platform Enhancements
-Android Z-Order support in RAD Studio 10.3 provides support for FireMonkey styled controls such as buttons, labels, and checkboxes with natively rendered controls like the browser and map control on the same form.
-Native presentation for TCalendar, TEdit and TSwitch on Android for better user interface interaction and performance.
Developers can now build Android applications that meet Google’s new requirement of targeting API level 26 and iOS applications that support iOS 12

Expanded RAD Server Support
-Our multi-tier solution includes new ready to use components for mapping database queries to URL resources, offering direct response JSON production with no additional coding required by the developer. This also speeds up the process of building RAD Server backends for Sencha Ext JS web applications.

There has also been some exciting changes to the Architect edition, including a number of Idera portfolio products in the highest edition of our developer tools offering. Both Enterprise and Architect edition now also include an IBToGo deployment license for mobile.


Tech. Requirements

Delphi 10.3.3 Rio System Requirements

Minumum Hardware Requirements
-1.6 GHz or faster processor
-2 GB of RAM
-Between 6 GB and 60 GB of available disk space.
-DirectX 11 capable video card that runs at 1024x768 or higher resolution

Operating System Requirements
-Windows 10
-Windows 8 and 8.1
-Windows 7 SP1

You can also install Delphi on a virtual machine running one of the supported versions of Windows in a non-Windows environment (e.g., macOS). To develop FireMonkey projects, your virtualization software must provide direct access to the host GPU.

Requirements for Supported Target Platforms

64-bit Windows - PCs and tablets with Intel/AMD processors running any of the following versions of Windows
-Windows 7 (SP1+)
-Windows 8.1
-Windows 10
-Windows Server 2012
-Windows Server 2016
A 64-bit PC or a 32-bit PC connected to a 64-bit PC.

OS X - An Intel-based Mac with more than 2 GiB of RAM running any of the following versions of OS X:
-OS X 10.12 Sierra
-OS X 10.13 High Sierra
-OS X 10.14 Mojave
-OS X 10.15 Catalina

iOS - An iOS device running any of the following versions of iOS:
-iOS 10
-iOS 11
-iOS 12
-iOS 13
All requirements for macOS support.
Xcode, version 10.12 or later.
Membership in the Apple Developer Program.

Android - An Android device that runs on an ARMv7 processor with NEON support.
A 64-bit version of Windows for development.
Android phones and tablets running any of the following versions of Android:
-Lollipop (5.1)
-Marshmallow (6)
-Nougat (7)
-Oreo (8)
-Pie (9)
-Android (10)

The JRE is installed automatically if you choose to install support for the Android target platform.

Linux (Delphi only) - 64-bit Linux running any of the following distributions:
Ubuntu Server (Ubuntu 14.04 LTS)
Ubuntu Server (Ubuntu 16.04 LTS)
Ubuntu Server (Ubuntu 18.04 LTS)
RedHat Enterprise Linux (version 7)

The Delphi installation includes some additional software. Delphi also allows you to install other additional software after the installation. For details about Delphi additional software, see Third Party Software Add-Ins.



It is possible to buy support and mainteance with all Embarcadero products. Embarcadero support and help can be found at following links:

Embarcadero Support
Delphi Resource Center

Alfsoft provide technical first line support to all Embarcadero customers. Please describe your problem as detailed as possible when contacting our support. Remember to always inform about your product version and your operating system (both platform and version). You find instructions for support here (