Chris Seaton introduces Graal, Oracle Labs' new JIT compiler written in Java, enabling new research into optimizations, and Truffle, a framework for implementing languages that uses Graal.
Jeroen Janssens discusses several tricks for polyglot programmers helping to mix and match different languages and tools in a project.
Jessica Kerr introduces Elm, focusing on its architecture: how it overturns what is essential in object-oriented and even back-end functional programming.
Chris McCord and Evan Czaplicki keynote on the birth, development and benefits of using their respective tools they created for web development: Phoenix and Elm.
Claudia Doppioslash discusses some of the useful features of Elm, such as time traveling debugger, immutability, union types, type inference and Functional Reactive Programming.
Gerard Sans explains RxJS' data architecture based on reactive programming, exploring Observables API using RxJS koans and unit tests. RxJS 5 focuses on performance and usability.
Alexey Kazakov discusses the latest improvements on JSDT -debugging Node.js and browser applications, JSON editing features, integrations with npm and bower-, and the future of the project.
Panelists answer questions on the languages they contributed to: How do you organize thoughts and code? What unique advances in usability did your language make? Why do your users love to code in it?
Tracy Miranda demonstrates Python with the Eclipse Advanced Scripting Environment (EASE) for collaboration, reproducible research, and exploratory computation and data analysis.