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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.

28 Jul 2026 edition
MongoDB GitHub

mongodb/mongo: r8.0.28

SERVER-130437 Reduce jobs scheduled on amazon2023.3-arm64-xxxlarge ma…

Source: MongoDB Server Releases bui-andrew
Python GitHub

astral-sh/uv: 0.12.0

Release Notes Released on 2026-07-28. Since we released uv 0.11.0 in March, we've accumulated changes that improve correctness, safety, and compatibility with specifications, but could break some workflows. This release…

Source: uv Releases astral-automations-bot[bot]
AI GitHub

langchain-ai/langchain: langchain-anthropic==1.5.3

Changes since langchain-anthropic==1.5.2 release(anthropic): 1.5.3 (#39109) fix(anthropic): preserve empty thinking field in signature_delta streaming (#38765) fix(anthropic): strip unsupported fields from system…

Source: LangChain Releases github-actions[bot]

Building scalable applications on Amazon Aurora DSQL

In this post, we provide practical guidance for designing applications that scale effectively with the Amazon Aurora DSQL distributed architecture. You will learn how to identify common patterns that limit scalability,…

Source: AWS Database Blog Tejas Dubey
AI

Scientific computing in the age of agentic AI

A new field report shows how scientists use AI coding agents to modernize scientific computing, accelerating software development and discovery in genomics and beyond.

Source: OpenAI Blog
AI GitHub

langchain-ai/langchain: langchain-core==1.5.2

Changes since langchain-core==1.5.1 release(core): 1.5.2 (#39108) fix(core): handle empty string in gateway env vars (#39107) chore: bump setuptools from 82.0.0 to 83.0.0 in /libs/core (#39032) chore: bump jupyterlab…

Source: LangChain Releases github-actions[bot]
FastAPI GitHub Python

tiangolo/fastapi: 0.140.13

Fixes 🐛 Fix status_code being ignored for SSE and JSONL streaming endpoints. PR #15937 by @SAURABHSALVE. Docs 📝 Fix format_sse_event docstring rendering of \n\n terminator. PR #15613 by @AshNicolus. 📝 Add API reference…

Source: FastAPI Releases github-actions[bot]
FastAPI GitHub Python

tiangolo/fastapi: 0.140.12

Fixes 🐛 Fix line splitting in format_sse_event to comply with SSE spec. PR #15515 by @Zawwarsami16.

Source: FastAPI Releases github-actions[bot]
FastAPI GitHub Python

tiangolo/fastapi: 0.140.11

Fixes 🐛 Fix response_model_* params ignored for non-generator endpoints with Iterable[..] return type. PR #15093 by @YuriiMotov.

Source: FastAPI Releases github-actions[bot]
FastAPI GitHub Python

tiangolo/fastapi: 0.140.10

Fixes 🐛 Fix handling sequences with nested Annotated types. PR #14874 by @YuriiMotov. Internal 🐛 Accept any base test failure as regression. PR #16092 by @tiangolo. 🐛 Preserve pytest exit code in regression check. PR…

Source: FastAPI Releases github-actions[bot]
FastAPI GitHub Python

tiangolo/fastapi: 0.140.9

Fixes 🐛 Fix exclude_defaults not propagated to dict keys and values in jsonable_encoder. PR #16043 by @MBGrao. Internal ⬆ Bump gitpython from 3.1.50 to 3.1.54. PR #16047 by @dependabot[bot]. ⬆ Bump pymdown-extensions…

Source: FastAPI Releases github-actions[bot]
Python GitHub

astral-sh/uv: 0.11.33

Release Notes Released on 2026-07-28. Enhancements Abort panics in release builds for smaller uv binaries (#20271) Use .tar.gz archives for Pyodide installs (#20667) Preview features Avoid checking any scripts in uv…

Source: uv Releases astral-automations-bot[bot]
FastAPI GitHub Python

tiangolo/fastapi: 0.140.8

Fixes 🐛 Fix stream item type lost when using include_router(). PR #15077 by @alex-raw.

Source: FastAPI Releases github-actions[bot]
DevSec

Ghost Credentials Expose Cloud Systems to Hidden Identity Risks

Dormant nonhuman identities can create security blind spots, says security researcher Aleksandr Krasnov, who plans to release an open source tool next week at Black Hat USA 2026 that sniffs out trust paths.

Source: Dark Reading AppSec Jeffrey Schwartz
AI

Training Agents 3: Reinforcement Learning

Training Agents, Session 3: from a fine-tuned baseline to reinforcement learning with GRPO. In this live session, we'll move past imitation and start training on outcomes. We'll take the model from the earlier sessions…

Source: Hugging Face Hugging Face
Python

Managing Imports With Python's __all__

Learn how Python's dunder all variable controls wildcard imports and shapes the public API your packages and modules expose.

Source: Real Python
Web

Thinking Outside The Box: Digital Design In The AI Era

Many of the AI tools we interact with take the form of text boxes. But what if there was a different way to interact with AI? Oleksii Hrzhehorzhevskyi explores a different approach to creating a new AI assistant and how…

Source: Smashing Magazine hello@smashingmagazine.com (Oleksii Hrzhehorzhevskyi)
AI

Samsung’s chip workers are jumping ship to rival SK Hynix

Lee, an engineer at Samsung’s semiconductor division, clocks out when his shift ends. He used to work longer hours, going the extra mile to excel at his projects. But lately, he’s been coming straight home to work on…

Source: MIT Technology Review AI Michelle Kim
DevOps

How to Run AI Agents on Kubernetes with Pulumi

Kubernetes has become the default place teams run agentic AI workloads: CNCF’s 2026 annual survey found that 66% of organizations hosting generative AI models use Kubernetes to manage some or all of their inference…

Source: Pulumi Blog Joe Duffy
JavaScript

Anders Hejlsberg demos TypeScript 7's 10x speedup

#​796 — July 28, 2026 Read on the Web JavaScript Weekly Rust Is Eating JavaScript (Still, in 2026) — Our most-read link of 2021 gets an update for 2026. Lee Robinson (then Vercel, now Cursor) predicted Rust would be…

Source: JavaScript Weekly