---
title: Safari Technology Preview 106 Release Notes
framework: safari-technology-preview-release-notes
role: article
role_heading: Article
path: safari-technology-preview-release-notes/stp-release-106
---

# Safari Technology Preview 106 Release Notes

Preview the latest web technology updates including: Web Inspector, Async Scrolling, Web Animations, CSS, JavaScript, WebRTC, Web API, Media, Rendering, and Bug Fix.

## Overview

Overview Safari Technology Preview Release 106 is now available for download for macOS Catalina and macOS Mojave. If you already have Safari Technology Preview installed, you can update in the Software Update pane of System Preferences on macOS. This release covers WebKit revisions 260266-261057. Web Inspector Sources Ensured “Step Over” only steps through comma expressions if they not nested (r260520) Storage Fixed third-party cookie display (r260807) Added support for selecting multiple local storage entries (r260613) Miscellaneous Updated find dialog to populate the search string from the system find pasteboard (r260847, r260887, r260895) Fixed the filter bar in the navigation sidebar to respect the global search settings (r260386) Async Scrolling Enabled async frame and overflow scrolling by default on macOS (r260276) Fixed an overflow that’s hidden on one axis to be scrollable on that axis (r260450) Web Animations Fixed applying keyframe easings to transforms (r260360) Changed to guarantee assigning an element to effect.target keeps the element alive, even without other references to it (r260705) Implemented jump-* functions for steps() timing functions (r261046) CSS Added support for :where() pseudo class (r260319) Fixed :is() and :where() to not allow pseudo-elements when parsing (r260338) Fixed border-radius failing to clip composited iframe contents (r260950) JavaScript Enabled BigInt (r260345) Changed BigInt constructor to accept larger integers than safe-integers (r260863) Added support for Intl.RelativeTimeFormat (r260349) Redesigned for-of iteration for arrays (r260323) WebRTC Updated getDisplayMedia to respect aspect ratio with max constraints (r260561, r260638) Web API Fixed the visibilitychange event to bubble per spec (r260483) Media Changed to ensure a remote track event gets unmuted after the track event is fired (r260813) Fixed audio session category to be set incorrectly after changing video source with MSE (r261004) Fixed video elements to return to an incorrect position when exiting fullscreen (r260150) Rendering Fixed flickering header when scrolling articles with fixed position elements (r260828) Fixed content disappearing in a CSS-based parallax implementation (r260371) Fixed a blank header on a site by changing to not use stale containing block width value while computing preferred width (r260905) Fixed oversized caret and selection rects in text fields (r260367) Bug Fix Enabled using credentials for same-origin CSS mask images (r260598)

## See Also

### 2020

- [Safari Technology Preview 117 Release Notes](safari-technology-preview-release-notes/stp-release-117.md)
- [Safari Technology Preview 116 Release Notes](safari-technology-preview-release-notes/stp-release-116.md)
- [Safari Technology Preview 115 Release Notes](safari-technology-preview-release-notes/stp-release-115.md)
- [Safari Technology Preview 114 Release Notes](safari-technology-preview-release-notes/stp-release-114.md)
- [Safari Technology Preview 113 Release Notes](safari-technology-preview-release-notes/stp-release-113.md)
- [Safari Technology Preview 112 Release Notes](safari-technology-preview-release-notes/stp-release-112.md)
- [Safari Technology Preview 111 Release Notes](safari-technology-preview-release-notes/stp-release-111.md)
- [Safari Technology Preview 110 Release Notes](safari-technology-preview-release-notes/stp-release-110.md)
- [Safari Technology Preview 109 Release Notes](safari-technology-preview-release-notes/stp-release-109.md)
- [Safari Technology Preview 108 Release Notes](safari-technology-preview-release-notes/stp-release-108.md)
- [Safari Technology Preview 107 Release Notes](safari-technology-preview-release-notes/stp-release-107.md)
- [Safari Technology Preview 105 Release Notes](safari-technology-preview-release-notes/stp-release-105.md)
- [Safari Technology Preview 104 Release Notes](safari-technology-preview-release-notes/stp-release-104.md)
- [Safari Technology Preview 103 Release Notes](safari-technology-preview-release-notes/stp-release-103.md)
- [Safari Technology Preview 102 Release Notes](safari-technology-preview-release-notes/stp-release-102.md)