--- title: Updating to .NET 8, updating to IHostBuilder, and... description: Learn how to update to .NET 8, switch to using IHostBuilder, and run Playwright tests in NUnit in both headless and headed modes on any operating system. canonical: https://daily.dev/posts/updating-to-net-8-updating-to-ihostbuilder-and-running-playwright-tests-within-nunit-headless-or--eepubn2gp twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Updating to .NET 8, updating to IHostBuilder, and running Playwright Tests within NUnit headless or headed on any OS | daily.dev og:description: Learn how to update to .NET 8, switch to using IHostBuilder, and run Playwright tests in NUnit in both headless and headed modes on any operating system. og:url: https://daily.dev/posts/updating-to-net-8-updating-to-ihostbuilder-and-running-playwright-tests-within-nunit-headless-or--eepubn2gp og:image: https://api.daily.dev/og/posts/eEPUbN2gP.png og:image:alt: Updating to .NET 8, updating to IHostBuilder, and running Playwright Tests within NUnit headless or headed on any OS 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. # Updating to .NET 8, updating to IHostBuilder, and running Playwright Tests within NUnit headless or headed on any OS **[Scott Hanselman](https://daily.dev/sources/hanselman)** · 5 min read · 18 upvotes · 0 comments ## Summary Learn how to update to .NET 8, switch to using IHostBuilder, and run Playwright tests in NUnit in both headless and headed modes on any operating system. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Don’t just attend KubeCon \+ CloudNativeCon, Merge Forward your experience\!](https://daily.dev/posts/don-t-just-attend-kubecon-cloudnativecon-merge-forward-your-experience--l0rpp73x8) · CNCF · 1 upvotes · 0 comments - [Announcing H2 2026 KCDs](https://daily.dev/posts/announcing-h2-2026-kcds-m96goajm1) · CNCF · 1 upvotes · 0 comments - [Two months of Open Community Groups](https://daily.dev/posts/two-months-of-open-community-groups-asf52zhbs) · CNCF · 0 upvotes · 0 comments --- Tags: [#aspnet](https://daily.dev/tags/aspnet), [#automation](https://daily.dev/tags/automation), [#c#](https://daily.dev/tags/c#), [#.net](https://daily.dev/tags/.net), [#.net-core](https://daily.dev/tags/.net-core) [View this post on daily.dev](https://daily.dev/posts/updating-to-net-8-updating-to-ihostbuilder-and-running-playwright-tests-within-nunit-headless-or--eepubn2gp) ```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":"TechArticle","headline":"Updating to .NET 8, updating to IHostBuilder, and running Playwright Tests within NUnit headless or headed on any OS","url":"https://daily.dev/posts/updating-to-net-8-updating-to-ihostbuilder-and-running-playwright-tests-within-nunit-headless-or--eepubn2gp","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/updating-to-net-8-updating-to-ihostbuilder-and-running-playwright-tests-within-nunit-headless-or--eepubn2gp"},"datePublished":"2024-03-07T07:55:49.041Z","dateModified":"2026-03-15T05:21:03.136Z","description":"Learn how to update to .NET 8, switch to using IHostBuilder, and run Playwright tests in NUnit in both headless and headed modes on any operating system.","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/cadfc482c9d5e2d731cc4f5371707c82?_a=AQAEufR","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/cadfc482c9d5e2d731cc4f5371707c82?_a=AQAEufR","isAccessibleForFree":true,"articleSection":"Scott Hanselman","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Scott Hanselman","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1/logos/e2763104a3c54967a617a207fd5f87ff","url":"https://daily.dev/sources/hanselman"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/updating-to-net-8-updating-to-ihostbuilder-and-running-playwright-tests-within-nunit-headless-or--eepubn2gp","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":18},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"aspnet,automation,c#,.net,.net-core","timeRequired":"PT5M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Scott Hanselman","item":"https://daily.dev/sources/hanselman"},{"@type":"ListItem","position":3,"name":"Updating to .NET 8, updating to IHostBuilder, and running Playwright Tests within NUnit headless or headed on any OS"}]} ```