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The daily ledger

TILens turns technical updates into a focused daily brief: official releases, trusted reporting, and practitioner analysis, deduplicated and organized by topic.

21 Jul 2026 edition
OCaml GitHub

ocaml/opam: 2.6.0~alpha1

This is the first alpha release of opam 2.6.0. Binaries and full archive are signed by the opam dev team (fingerprint 92C5 26AE 50DF 3947 0EB2 911B ED4C F1CA 67CB AA92). To verify the authenticity of one of these files,…

Source: opam Releases kit-ty-kate
Java

Screaming Architecture with BCE / ECB

The structure of a system should reveal its purpose. Robert C. Martin coined the term Screaming Architecture for this idea roughly 15 years ago. In the first episode of my BCE screencast course, I put it to the test:…

Source: Adam Bien Blog
Python

Python quiz: EuroPython 2026 edition

Replay the EuroPython 2026 Python quiz. These are the questions asked during the EuroPython 2026 quiz. They will test your knowledge of the Python language, the community, and of EuroPython 2026. Since we were…

Source: mathspp
Python

Exploring Python's Built-in Functions

Learn Python's built-in functions for math, data types, iterables, and I/O, and when to use each to write more Pythonic code.

Source: Real Python
Python

#489 Or JSON?

Topics include django-orjson, Best Django Redis configuration for speed and size, puts the foot down, and Django Steering Council backs the Triptych Project.

Source: Python Bytes Michael Kennedy and Calvin Hendryx-Parker
JavaScript

The coding challenge you don't want to pass

#​795 — July 21, 2026 Read on the Web JavaScript Weekly Framework Benchmarks: Compare Frontend Frameworks — An experienced developer built and benchmarked the same app across numerous frameworks (e.g. Angular, Solid,…

Source: JavaScript Weekly