# Avalonia 11.3.18

- Product: Avalonia (https://whatsnew.fyi/product/avalonia)
- Vendor: AvaloniaUI
- Date: 2026-06-23
- Version: 11.3.18
- Original notes: https://github.com/AvaloniaUI/Avalonia/releases/tag/11.3.18
- Permalink: https://whatsnew.fyi/product/avalonia/releases/11.3.18

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

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- **changed** — Enhance Roslyn-compiler visible metadata for XAML
- **fixed** — Fix StackOverflow when a NaN offset is set on ScrollViewer
- **fixed** — Handle replacementRange in AvnView on macOS

##### What's Changed

###### Enhancements
* XAML – Enhance Roslyn-compiler visible metadata by @maxkatz6 in https://github.com/AvaloniaUI/Avalonia/pull/21546

###### Fixes
* Core – Fix StackOverflow when a `NaN` offset is set on `ScrollViewer` by @NicholasLachapelle in https://github.com/AvaloniaUI/Avalonia/pull/21558
* macOS – Handle `replacementRange` in `AvnView` by @MrJul in https://github.com/AvaloniaUI/Avalonia/pull/21608


**Full Changelog**: https://github.com/AvaloniaUI/Avalonia/compare/11.3.17...11.3.18