--- title: "Tech Talk: Improving Window Resize Behavior" url: https://daily.dev/posts/tech-talk-improving-window-resize-behavior-bq8kmpcyo source_url: https://electronjs.org/blog/tech-talk-window-resize-behavior type: article source: "Electron" published: 2025-12-20T04:52:52.214Z updated: 2025-12-20T04:53:15.419Z tags: ["windows", "chromium", "electron"] reading_time: 13 upvotes: 1 comments: 0 language: 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. # Tech Talk: Improving Window Resize Behavior **[Electron](https://daily.dev/sources/electron)** · 13 min read · 1 upvotes · 0 comments ## Summary A deep technical dive into fixing window resize artifacts in Electron and Chromium on Windows. The investigation revealed two separate bugs in the DirectComposition rendering pipeline: asynchronous GPU operations causing viewport and clip rect desynchronization, and stale pixels appearing when frame sizes lagged behind window dimensions. The fixes involved painting transparent areas outside the viewport during resizes and adjusting viewport clipping to match received frame sizes, eliminating visual artifacts without performance penalties. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Tech Talk: How Electron went Wayland-native, and what it means for your apps](https://daily.dev/posts/tech-talk-how-electron-went-wayland-native-and-what-it-means-for-your-apps-pfckiqzun) · Electron · 19 upvotes · 0 comments - [Electron 39.0.0](https://daily.dev/posts/electron-39-0-0-s3veysmek) · Electron · 46 upvotes · 2 comments --- Tags: [#windows](https://daily.dev/tags/windows), [#chromium](https://daily.dev/tags/chromium), [#electron](https://daily.dev/tags/electron) [View this post on daily.dev](https://daily.dev/posts/tech-talk-improving-window-resize-behavior-bq8kmpcyo)