Spring I/O 2024 - 30-31 May, Barcelona Slides: https://speakerdeck.com/wimcreuwels/fun-with-feature-flags. Repos: https://github.com/LewisMcReu/FFF_Unleash_backend https://github.com/LewisMcReu/FFF_Unleash_frontend https://github.com/LewisMcReu/FFF_Togglz_backend https://github.com/LewisMcReu/FFF_Togglz_frontend A dive into the possibilities of feature flags in Spring. The feature flag/toggle is a simple concept that I have nonetheless rarely seen in Spring applications. I took it upon myself to learn more about the plentiful libraries out there and will share my experiences in trying them out. A broad overview of the contents: - what are feature flags/toggles and why do we use them? - multiple libraries to facilitate feature flags - live reloading of the Spring Context to apply config changes - demos of all topics