---
title: Safari Technology Preview 113 Release Notes
framework: safari-technology-preview-release-notes
role: article
role_heading: Article
path: safari-technology-preview-release-notes/stp-release-113
---

# Safari Technology Preview 113 Release Notes

Preview the latest web technology updates including: Web Inspector, Web Audio, WebRTC, Rendering, Media, CSS, WebDriver, Accessibility, Loading, Web API, Gamepad API, and Translation.

## Overview

Overview Safari Technology Preview Release 113 is now available for download for macOS Big Sur and macOS Catalina. 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 265179-265179-. Web Inspector Timelines Tab Fixed background colors for odd and even items in Dark Mode in the Timelines tab (r265498) Media & Animations timeline shouldn’t shift when sorting (r265356) Adapted Web Inspector’s user interface and styling to better match macOS Big Sur (r265237, r265507) Web Audio Added constructor for GainNode (r265227) Added constructor for BiquadFilterNode (r265290) Added constructor for ConvolverNode (r265298) Added constructor for DelayNode (r265221) Added constructor for AudioBuffer (r265210) Added constructor for AnalyserNode (r265196) Added support for suspending and resuming an OfflineAudioContext (r265701) Added constructor for the MediaElementAudioSourceNode interface (r265330) Aligned AudioListener with the W3C specification (r265266) Aligned BiquadFilterNode.getFrequencyResponse() with the specification (r265291) Fixed BiquadFilterNode’s lowpass filter (r265517) Fixed missing length attribute on OfflineAudioContext (r265388) Fixed missing baseLatency attribute on the AudioContext interface (r265393) WebRTC Added support for MediaRecorder bitrate options (r265328) Rendering Updated to avoid triggering redundant compositing updates when trying to run a steps() animation on transform (r265358) Fixed inconsistent spacing of Chinese characters in Safari for macOS Big Sur (r265488) Media Enabled H.264 low latency code path by default for macOS (r265547) Fixed the picture-in-picture button disappearing in the fullscreen YouTube player after starting a new video in a playlist (r265690) CSS Changed to apply aspect ratios when computing flex-basis (r265855) Fixed updating min-height: auto after an image loads when the image has a specified height and width (r265858) Fixed @font-face font-weight descriptor to reject bolder and lighter (r265677) Fixed the CSS specificity of :host() pseudo-classes (r265812) WebDriver Fixed window.print to not invoke native UI (r265207) Accessibility Added VoiceOver access to font styling at insertion point (r265259) Loading Fixed font loads quickly followed by navigations failing indefinitely (r265603) Web API Implemented Canvas.transferControlToOffscreen and OffscreenCanvasRenderingContext2D.commit (r265543) Implemented createImageBitmap(ImageData) (r265360) Implemented PerfomanceObserverInit.buffered (r265390) Fixed text input autocorrect="off" attribute getting ignored on macOS (r265509) Gamepad API Added a special HID mapping for the Google Stadia controller (r265180) Added HID mapping for the Logitech F310/F710 controllers. (r265183) Translation Fixed table data incorrectly translated in some articles on wikipedia.org (r265188) Fixed leading and trailing spaces to be ignored when comparing content (r265361)

## 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 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 106 Release Notes](safari-technology-preview-release-notes/stp-release-106.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)