Embarcadero Rad Studio 10.3.3 Version 26.0.36039.7899 Jun 2026

Many enterprises skip newer major versions due to breaking changes or migration costs. is the "last great version" before several architectural shifts, such as the LSP (Language Server Protocol) editor changes and the shift toward FMX 2.0.

Delphi developers gained the ability to create 64-bit macOS applications ready for the Mac App Store, including support for notarization . 3. Docker Deployment for RAD Server Embarcadero RAD Studio 10.3.3 Version 26.0.36039.7899

Released in late 2019, this specific build represented not just a maintenance update, but a stabilization of the "Rio" line. It served as the bridge between the older, legacy VCL frameworks and the modern demands of Android API changes, macOS 64-bit transitions, and the emergent RAD Server ecosystem. Many enterprises skip newer major versions due to

However, if your application connects to the public internet, consider placing an API gateway in front of it or migrating critical security components to a more modern language (or a later RAD Studio version with updated SSL/TLS libraries). However, if your application connects to the public

As of 2025, Embarcadero no longer provides official mainstream support for 10.3.3, but is fully patched for all known security vulnerabilities up to the end of its support lifecycle (November 2021). For air-gapped systems or internal enterprise applications, this is not a concern.

This article explores the technical significance, feature set, and legacy of build 26.0.36039.7899, and why it remains a reference point for many enterprise applications today.

With modern monitors reaching 4K and beyond, build 26.0.36039.7899 introduced crucial high-DPI fixes. The VCL now offers per-monitor V2 support, eliminating blurry forms and misaligned controls when moving an application between screens of different resolutions.