Software Architecture & Technical Insights
86 articles on Software Architecture & Technical from the Creuto engineering and product team: practical guides, trends, and lessons from building real software.
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AWS Lambda 90 minute timeout: read the conditions first
AWS lifted Lambda's ceiling from 15 minutes to 90, but only for some functions and some invocation types. Here is which of your jobs actually qualify, and which ones should stay in Step Functions anyway.
Akash Mohapatra
Sep 20, 2026
.NET 8 end of support on 10 November: upgrade to .NET 10 or move on?
.NET 8 and .NET 9 both lose support on 10 November 2026. Upgrade straight to .NET 10 — and use the deadline to decide which parts of your system, if any, belong on a different stack.
Akash Mohapatra
Sep 19, 2026
Safari MCP: your coding agent can now test your site in Safari 27
Safari 27 includes an MCP server that lets coding agents see the DOM, network, console and screenshots in real Safari. How to set it up, where it helps web QA, and what else is new.
Akash Mohapatra
Sep 19, 2026
Cloudflare AI crawler block: is your site now hidden from AI search?
Since 15 September, Cloudflare's defaults block mixed-use AI crawlers on pages with ads for free-plan and new sites. How to check your settings and decide which AI crawlers to allow.
Akash Mohapatra
Sep 19, 2026
UPI MDR charges from 15 October: 0.4% above ₹2,000, capped at ₹300
From 15 October, merchants pay 0.4% MDR on UPI payments above ₹2,000, capped at ₹300. Customers pay nothing. What merchants, marketplaces and payment apps must update before the date.
Akash Mohapatra
Sep 19, 2026
AI generated unit tests raise coverage. Mutation testing shows what they miss.
AI agents wrote 16.4% of test-adding commits in one study, with coverage gains comparable to humans. Coverage does not measure fault detection; mutation testing does, and it should be the bar AI tests must clear.
Akash Mohapatra
Sep 19, 2026
AGENTS.md vs CLAUDE.md: Claude Code now falls back to AGENTS.md
Claude Code 2.1.277 reads AGENTS.md when a project has no CLAUDE.md. Teams running several coding agents can now keep one instruction file, if they understand the fallback rules.
Akash Mohapatra
Sep 19, 2026
Oracle to MariaDB migration: MariaDB 13 helps, but target the LTS
MariaDB 13 adds Oracle-style REF CURSOR and RECORD support that removes real migration blockers. But it is a rolling release without bug-fix updates, so plan production on an LTS.
Akash Mohapatra
Sep 19, 2026
The GPU utilization Kubernetes clusters can reach: one bank went from 35% to 60%
China Merchants Bank unified training and inference on one Kubernetes control plane, lifting accelerator utilisation from 35% to over 60% and cutting cost per million tokens by more than 60%.
Akash Mohapatra
Sep 19, 2026
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