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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.

01 Apr 2026 edition
Java GitHub

ktorio/ktor: 3.4.2

Published 27 March 2026 Improvements KTOR-9327 Curl: The WebSockets maxFrameSize option does not have an effect KTOR-9383 CaseInsensitiveString: reduce allocations KTOR-9385 Netty: Allocation micro-optimizations…

Source: Ktor Releases Stexxe
Go GitHub

grpc/grpc-go: Release 1.80.0

Behavior Changes balancer: log a warning if a balancer is registered with uppercase letters, as balancer names should be lowercase. In a future release, balancer names will be treated as case-insensitive; see #5288 for…

Source: gRPC-Go Releases mbissa
Python

#543: Deep Agents: LangChain's SDK for Agents That Plan and Delegate

When you type a question into ChatGPT, the model only has what you typed to work with. But tools like Claude Code can plan, iterate, test, and recover from mistakes. They work more like we do. The difference is the…

Source: Talk Python To Me Michael Kennedy (@mkennedy)
Web

A Practical Guide To Design Principles

Design principles with references, examples, and methods for quick look-up. Brought to you by Design Patterns For AI Interfaces, **friendly video courses on UX** and design patterns by Vitaly.

Source: Smashing Magazine hello@smashingmagazine.com (Vitaly Friedman)