For release notes, check out the release announcement

For new features, check out the What's new in TypeScript 2.5.

For the complete list of fixed issues, check out the issues fixed in TypeScript 2.5 RC and after TypeScript 2.5 RC.

Download:

• npm
• Visual Studio 2015 plugin
• Visual Studio 2017 (Select new version in Tools/Options)
• NuGet package

Special thanks to all contributors to this release:

• Anders Hejlsberg
• Andrew Casey
• Andy Hanson
• Arthur Ozga
• Basarat Ali Syed
• Benjamin Lichtman
• Daniel Rosenwasser
• Francois Wouts
• Jan Melcher
• Kanchalai Tanglertsampan
• Klaus Meinhardt
• Kārlis Gaņģis
• Matt Mitchell
• Mine Starks
• Mohamed Hegazy
• Nathan Shively-Sanders
• Paul van Brenk
• Ron Buckton
• Ryan Cavanaugh
• Sheetal Nandi
• Tingan Ho
• Tycho Grouwstra
• Wesley Wigham