Backward Compatibility Is Not Optional.
Why real software must respect its past.
Series
Backward Compatibility
Hard-earned lessons on why breaking changes cause real damage in production, and how experienced engineers design new features that respect the past.
Posts in this series
Evolving APIs Without Breaking Clients.
Why API changes fail in production and how experienced teams avoid it. Read first article from series is here. Introduction: APIs don’t belong to you anymore The moment you publish an API, it stops being just your code. It becomes: Someone else’s de...
Database Changes in Live Systems.
Why schema changes break production and how experienced teams avoid it. Introduction: Databases remember everything You can redeploy code in minutes.You can roll back services.You can toggle feature flags. But your database? It remembers every decis...
Feature Flags, Rollbacks, and Damage Control.
How experienced teams ship changes safely—and recover when things go wrong Introduction: Production will always surprise you No matter how good your design is, production will surprise you. Real users behave differently Real data exposes edge cases...
Deprecation Without Regret
How to remove features safely without breaking trust. Introduction: Nothing ever really dies in software In theory, deprecation is simple: Mark something as deprecated Wait Remove it In reality, deprecated things live far longer than expected. O...