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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AI code migration: GitHub went incremental, Bun went big bang
GitHub moved its Copilot runtime to Rust in 128 pull requests while shipping 135 releases. Bun moved 535,496 lines of Zig in eleven days. The difference is what each trusted to prove the new code right.
Akash Mohapatra
Sep 18, 2026
HubSpot API deprecation: v1–v3 unsupported, private apps next
HubSpot has stopped supporting its v1–v3 APIs and legacy apps, with enforcement in September 2027. The closer deadline is 28 September, when new accounts lose legacy private app creation.
Nihar Ranjan Rout
Sep 18, 2026
Vulnerability prioritization: why a CVSS 9.8 can wait
Severity scores describe the flaw, not your exposure. Combine CVSS with CISA's exploited list, FIRST's EPSS and four business questions to turn thousands of findings into a short, defensible list.
Akash Mohapatra
Sep 18, 2026
Reddit Data API: register your app by 30 September
Reddit plans to gradually restrict its public Data API and move third-party apps onto its Developer Platform. Nothing breaks this month, but Reddit wants apps registered by 30 September.
Akash Mohapatra
Sep 18, 2026
WhatsApp Business API integration: what Meta's new MCP server changes
Meta's WhatsApp Business Tools MCP lets Claude, Codex or Cursor set up numbers, templates and webhooks. The 24-hour rule, opt-in and CRM wiring still decide whether the integration works.
Nihar Ranjan Rout
Sep 18, 2026
Acceptance criteria review: six tests passed, the spec was the bug
Six acceptance criteria, six passing tests, and a notification sent to someone who had withdrawn consent. When AI writes code and tests from one spec, review the spec.
Akash Mohapatra
Sep 18, 2026
HEIC image upload vulnerability: from forum photo to OpenAI repos
A crafted HEIC file gave Hacktron code execution on OpenAI's Discourse forum, and an SSO misconfiguration turned that into employee ChatGPT and Codex accounts. Any app accepting photos has the first half.
Akash Mohapatra
Sep 18, 2026
Multi-cluster Kubernetes: Karmada graduates from the CNCF
Karmada has graduated from the CNCF, with Bloomberg and Trip.com among its production users. Mature multi-cluster tooling lowers the cost of placing workloads across clusters — not the cost of running them.
Akash Mohapatra
Sep 17, 2026
Backup restore testing: the backup you never restored
Backup jobs report success while capturing unreadable files or corrupt database snapshots. Only a scheduled, timed restore reveals whether data can actually come back, and how long that takes.
Akash Mohapatra
Sep 17, 2026
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