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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.

27 Feb 2026 edition
MongoDB

Inside MongoDB Dublin: The Heart of Our International Growth

Nestled between the Irish Sea and the Wicklow Mountains, MongoDB’s Dublin office brings together people from around the world. It’s a place where you can build a meaningful career, contribute to leading global products,…

Source: MongoDB Blog
MongoDB

Towards Model-based Verification of a Key-Value Storage Engine

In our previous post, we talked about our process of specifying MongoDB’s distributed transactions protocol and how it enabled novel analysis of its performance characteristics. In this follow-up, we talk about how the…

Source: MongoDB Blog
AI

Joint Statement from OpenAI and Microsoft

Microsoft and OpenAI continue to work closely across research, engineering, and product development, building on years of deep collaboration and shared success.

Source: OpenAI Blog
AI

OpenAI and Amazon announce strategic partnership

OpenAI and Amazon announce a strategic partnership bringing OpenAI’s Frontier platform to AWS, expanding AI infrastructure, custom models, and enterprise AI agents.

Source: OpenAI Blog
AI

Scaling AI for everyone

Today we’re announcing $110B in new investment at a $730B pre money valuation. This includes $30B from SoftBank, $30B from NVIDIA, and $50B from Amazon.

Source: OpenAI Blog
Go

Allocating on the Stack

A description of some of the recent changes to do allocations on the stack instead of the heap.

Source: Go Blog Keith Randall
AI

An update on our mental health-related work

OpenAI shares updates on its mental health safety work, including parental controls, trusted contacts, improved distress detection, and recent litigation developments.

Source: OpenAI Blog
General

Opus 4.5 changed everything

Burke Holland works on GitHub Copilot by day and codes with his AI agents always. Early January, Burke posted about how Opus 4.5 changed everything. We were all still buzzing from the holiday-season 2x usage bump Claude…

Source: Changelog Podcast