Field notes from mature Ember codebases.
October 26, 2026 · FlameFold
FastBoot fixes blank screens and crawlability, not boot time. How to tell which problem you have, the cheaper paths to indexable pages, and what per-request SSR costs to operate.
Read moreOctober 19, 2026 · FlameFold
A strangler migration means Ember and React render the same product for a year or more. How to keep buttons, forms, and modals consistent across both stacks without maintaining two divergent component libraries.
Read moreOctober 12, 2026 · FlameFold
Most long-lived Ember apps report errors badly: no source maps, stack traces flattened into one vendor file, and route transitions that swallow failures. How to get honest telemetry before an upgrade, and keep it through Embroider and Vite.
Read moreOctober 5, 2026 · FlameFold
Assistants are fluent in the Ember of 2016, so they pull an old codebase back toward its own average age. How we configure them, where they genuinely help on modernization work, and the review bar that does not move.
Read moreSeptember 28, 2026 · FlameFold
Yarn Classic is end-of-life and hoisting hides broken dependencies that Embroider and Vite will not tolerate. How to move a long-lived Ember app to pnpm workspaces without a lockfile weekend.
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