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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 Oct 2025 edition
OCaml GitHub

ocaml/opam: 2.5.0~alpha1

This is the first alpha release of opam 2.5.0. Binaries and full archive are signed by the opam dev team (fingerprint 92C5 26AE 50DF 3947 0EB2 911B ED4C F1CA 67CB AA92). Please see our blog post for a highlight on the…

Source: opam Releases rjbou
Java

Quarkus Essentials MicroProfile Template with BCE

A new Quarkus template is now available that provides an essential foundation for building MicroProfile applications using the Boundary-Control-Entity (BCE) architecture pattern. Available at…

Source: Adam Bien Blog
Go Rust

Getting Friendly With CPU Caches

Understanding how your data structures interact with hardware is one of the most powerful ways to improve application performance. This blogpost explores how CPU caches influence speed and how thoughtful struct design…

Source: Ardan Labs Blog