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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.

11 May 2026 edition

4 articles · 4 sources ·

Top topics: Python · React · JavaScript

Python

#548: Event Sourcing Design Pattern

What if your database worked more like Git? Every change captured as an immutable event you can replay, instead of a single mutating row that quietly forgets its own history. That's event sourcing, and Chris May is back…

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

Postmortem: TanStack npm supply-chain compromise

On 2026-05-11, an attacker chained a pull_request_target Pwn Request, GitHub Actions cache poisoning across the fork↔base trust boundary, and OIDC token extraction from runner memory to publish 84 malicious versions…

Source: TanStack Blog Tanner Linsley
Python

#479 Talking About Types

Topics include httpxyz one month in, Learn concurrency - a deep dive into multithreading with Python, pip 26.1 - lockfiles and dependency cooldowns, and Python 3.15 `sentinal` values from PEP 661.

Source: Python Bytes Michael Kennedy and Calvin Hendryx-Parker
Go Rust

AI Hallucinations: When Plausible Logic Masks Context

When Claude Code suggests a solution, it is compelling. The logic flows. The syntax looks right. The implementation seems elegant. This piece unpacks why confidence is not correctness, what context has to do with…

Source: Ardan Labs Blog