--- title: I upgraded to TypeScript 7.0 and silently broke prod.... description: Upgrading to TypeScript 7.0 can silently break production without any error logs or CI failures. Three specific tools in the TypeScript stack have a known but... canonical: https://daily.dev/posts/i-upgraded-to-typescript-7-0-and-silently-broke-prod-the-worst-part-no-error-logs--ck6xhlnhq twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: I upgraded to TypeScript 7.0 and silently broke prod. The worst part? No error logs. | daily.dev og:description: Upgrading to TypeScript 7.0 can silently break production without any error logs or CI failures. Three specific tools in the TypeScript stack have a known but... og:url: https://daily.dev/posts/i-upgraded-to-typescript-7-0-and-silently-broke-prod-the-worst-part-no-error-logs--ck6xhlnhq og:image: https://api.daily.dev/og/posts/CK6XhLNHQ.png og:image:alt: I upgraded to TypeScript 7.0 and silently broke prod. The worst part? No error logs. og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # I upgraded to TypeScript 7.0 and silently broke prod. The worst part? No error logs. **[Beyondit.Blog](https://daily.dev/sources/dei5sqgf83geapx78dgjo)** · [@beyondit](https://daily.dev/beyondit) · 1 min read · 0 upvotes · 0 comments ## Summary Upgrading to TypeScript 7.0 can silently break production without any error logs or CI failures. Three specific tools in the TypeScript stack have a known but poorly documented compatibility gap with 7.0. The post links to a full breakdown identifying which tools are affected and how to fix the issues. ## Content Not a loud failure. No red CI. Just prod behaving slightly wrong after the upgrade. Took a deep dive into exactly which tools are affected and why — turns out it's a known compatibility gap that's not documented anywhere obvious. Full breakdown with the fix: [https://beyondit.blog/blogs/three-tools-in-your-typescript-stack-will-break-on-the-7-0-upgrade](https://beyondit.blog/blogs/three-tools-in-your-typescript-stack-will-break-on-the-7-0-upgrade) Curious if this is hitting other stacks or if we're the unlucky ones. --- [View this post on daily.dev](https://daily.dev/posts/i-upgraded-to-typescript-7-0-and-silently-broke-prod-the-worst-part-no-error-logs--ck6xhlnhq) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"DiscussionForumPosting","mainEntityOfPage":"https://daily.dev/posts/i-upgraded-to-typescript-7-0-and-silently-broke-prod-the-worst-part-no-error-logs--ck6xhlnhq","headline":"I upgraded to TypeScript 7.0 and silently broke prod. 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