Feature flags and progressive delivery let teams decouple deploy from release, roll out gradually with canaries and kill switches, and beat flag debt.

PSA: If you have upgraded to MacOS 27 and have an annoying SiriAI button over all sorts of your text inputs: sudo mkdir -p /Library/Preferences/FeatureFlags/Domain sudo defaults write /Library/Preferences/FeatureFlags/Domain/WritingTools LightweightUI_macOS -dict Enabled -bool false will disable it. Requires a reboot.

Add umbrella header as the public entry point for react/featureflags; Add umbrella header as the public entry point for react/renderer/bridging; Add umbrella header as the public entry point for react/timing; Add missing mutex include in HostTarget.h; Enable the imperative EventTarget API…

In macOS 27, the “Write with Siri” icon appears next to most text input — it kills me. I found no setting in System Settings to disable this feature, short of disabling Siri AI itself. Run the following 2 commands, and restart. sudo mkdir -p /Library/Preferences/FeatureFlags/Domain sudo defaults write /Library/Preferences/FeatureFlags/Domain/WritingTools LightweightUI_macOS -dict Enabled -bool false Use the following if you need to restore the default behaviour: sudo defaults delete /Library/Preferences/FeatureFlags/Domain/WritingTools LightweightUI_macOS #bliss _There's a Screen Time alternative, but I didn't try it._

⌨️ با یک ترفند در macOS 27، می‌توانید مثل Slack با تایپ کردن علامت «:» و نام ایموجی، به سرعت آن‌ها را در متن‌های خود درج کنید. این قابلیت از طریق Terminal و تغییر در FeatureFlags فعال می‌شود.

Cet article de Natalie Silvanovich constitue un guide de référence destiné aux éditeurs de logiciels souhaitant améliorer leur capacité à déployer des correctifs de sécurité d'urgence en cas d'exploitation active. Le processus standard de correction d'une vulnérabilité comprend plusieurs étapes : triage, développement du patch, tests, revue partenaires, livraison et activation.

Learn when centralized application configuration belongs in runtime operations, with practical guidance for feature flags, failure behavior, observability, and rollback.