Notes from the engineering edge

Curious by nature.
Critical by practice.

A personal journal about the tools, ideas and experiments shaping software engineering. What is new, what is useful, and what deserves a closer look.

01 / Latest dispatches

The journal

07 NOTES

Featured note·Technology shifts·Nov 9, 2026

Python 3.15 abi3t: what native extensions need to change

The new abi3t ABI gives extension maintainers a more sustainable route to free-threaded wheels. It does not make old abi3 wheels compatible or prove that native code is safe under concurrency.

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Tools & frameworks · Nov 2, 2026 · 7 min read

Go 1.27's goroutine leak profile: a useful signal, not a verdict

A rising goroutine count tells you that work is accumulating, but not why. Go 1.27's goroutineleak profile can identify blocked goroutines the runtime can prove are stuck—within a clearly defined set of blocking patterns.

Tools & frameworks · Nov 2, 2026 · 8 min read

Node.js 26 LTS: what to check before adopting Temporal

Node.js 26 is now an LTS line and includes Temporal by default. Here is what changed, what did not, and how to test runtime, browser, time-zone and native-dependency compatibility before upgrading.

Engineering notes · Nov 1, 2026 · 7 min read

Python 3.15 lazy imports: faster startup, later surprises

Lazy imports can keep optional modules out of a process's startup path. The trade-off is that loading—and some failures—move to first use. Here is how to decide where they belong.

Technology shifts · Nov 1, 2026 · 7 min read

Structured AI output solves parsing, not trust

Treat structured generation as a reliability improvement at the interface boundary—not as validation of business meaning, permissions or factual correctness.

Engineering notes · Nov 1, 2026 · 6 min read

A Go request is only cancellable if its context reaches the database

Passing context.Context through function signatures is not ceremony. It is how a disconnected client or expired deadline can stop expensive downstream work.