Trunk-based development https://trunkbaseddevelopment.com/

https://www.atlassian.com/continuous-delivery/continuous-integration/trunk-based-development

Feature Toggles (aka Feature Flags) https://www.martinfowler.com/articles/feature-toggles.html

What is AWS AppConfig? https://docs.aws.amazon.com/appconfig/latest/userguide/what-is-appconfig.html

Using AWS AppConfig Feature Flags https://aws.amazon.com/blogs/mt/using-aws-appconfig-feature-flags/

Other Feature Flags Tools Unleash https://www.getunleash.io/

Flipt https://www.flipt.io/

CloudBees https://www.cloudbees.com/capabilities/feature-management