Firebird 4.0 introduces new data types and many improvements without radical changes in architecture or operation, the most important are:

  • Built-in logical replication;
  • Extended length of metadata identifiers (up to 63 characters);
  • New INT128 and DECFLOAT data types, longer precision for NUMERIC/DECIMAL data types;
  • Support for international time zones;
  • Configurable time-outs for connections and statements;
  • Pooling of external connections;
  • Batch operations in the API;
  • Built-in cryptographic functions;
  • New ODS (version 13) with new system and monitoring tables;
  • Maximum page size increased to 32KB

Release Notes

Please read the Release Notes

The complete Language Reference

Sources

Source code
Date Filename Size Description
14th Jul 2025 Firebird-4.0.6.3221-0.tar.xz 15 MB Compressed tarball

Windows 32bit

Windows 32-bit
Date Filename Size Description
14th Jul 2025 Firebird-4.0.6.3221-0-Win32.exe 15 MB Windows executable installer
14th Jul 2025 Firebird-4.0.6.3221-0-Win32.zip 21 MB Zip kit for manual/custom installs
Windows 32-bit Debug Kits (Binary + PDB components)
14th Jul 2025 Firebird-4.0.6.3221-0-Win32-pdb.exe 29 MB Windows executable installer
14th Jul 2025 Firebird-4.0.6.3221-0-Win32-pdb.zip 46 MB Zip kit for manual/custom installs

Windows 64bit

Windows 64-bit
Date Filename Size Description
14th Jul 2025 Firebird-4.0.6.3221-0-x64.exe 25 MB Windows executable installer
14th Jul 2025 Firebird-4.0.6.3221-0-x64.zip 23 MB Zip kit for manual/custom installs
Windows 64-bit Debug Kits (Binary + PDB components)
14th Jul 2025 Firebird-4.0.6.3221-0-x64-pdb.exe 41 MB Windows executable installer
14th Jul 2025 Firebird-4.0.6.3221-0-x64-pdb.zip 48 MB Zip kit for manual/custom installs

Linux 32-bit

Linux 32-bit
Date Filename Size Description
14th Jul 2025 Firebird-4.0.6.3221-0.i686.tar.gz 22 MB Compressed tarball
14th Jul 2025 Firebird-debuginfo-4.0.6.3221-0.i686.tar.gz 181 MB Compressed tarball with debug information

Linux 64-bit

Linux 64-bit
Date Filename Size Description
14th Jul 2025 Firebird-4.0.6.3221-0.amd64.tar.gz 19 MB Compressed tarball
14th Jul 2025 Firebird-debuginfo-4.0.6.3221-0.amd64.tar.gz 184 MB Compressed tarball with debug information

Important

Android builds were not thoroughly tested, therefore they should be treated as experimental.

Please report any problems you experience to the development mailing list.

Android ARM32

Android ARM32
Date Filename Size Description
14th Jul 2025 Firebird-4.0.6.3221-0.arm.tar.gz 28 MB Compressed tarball
14th Jul 2025 Firebird-withDebugInfo-4.0.6.3221-0.arm.tar.gz 84 MB Debug compressed tarball

Android ARM64

Android ARM64
Date Filename Size Description
14th Jul 2025 Firebird-4.0.6.3221-0.arm64.tar.gz 31 MB Compressed tarball
14th Jul 2025 Firebird-withDebugInfo-4.0.6.3221-0.arm64.tar.gz 84 MB Debug compressed tarball

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Author

IBPhoenix

Published

Last Updated

Category

Firebird Distributions