Evolving Erlang/OTP Feature by Feature - Selectable Features in OTP25

Dive into a 46-minute conference talk from Code BEAM Europe 2022 exploring the evolution of Erlang/OTP through selectable features. Learn about the new support for language and runtime extensions introduced in OTP25, allowing developers to try out new features without affecting existing code. Discover the implementation details behind feature support and see how it's applied to add Value-Based Error Handling as an experimental feature. Gain insights into evolving Erlang/OTP while maintaining compatibility with legacy code. The talk covers motivations, feature definitions, implementation details, practical demonstrations, and implications for codebases. Suitable for Erlang/OTP developers and managers interested in language evolution and backward compatibility.

00:00 - - Intro
07:46 - - Motivation
11:12 - - What is a Feature?
13:52 - - Details
18:47 - - Feature Support in Action
28:12 - - Enabling maybe
34:24 - - Enabling/ Disabling
35:29 - - Effects on a CodeBase
36:26 - - Testing within Module
39:01 - - Implementations
45:04 - - QnA