Firefox 115 for developers
This article provides information about the changes in Firefox 115 that affect developers. Firefox 115 is the current Nightly version of Firefox and ships on July 04, 2023.
Changes for web developers
Developer Tools
HTML
Removals
CSS
Removals
JavaScript
Removals
SVG
Removals
HTTP
Removals
Security
Removals
APIs
DOM
Media, WebRTC, and Web Audio
Removals
WebAssembly
Removals
WebDriver conformance (WebDriver BiDi, Marionette)
WebDriver BiDi
Marionette
Changes for add-on developers
- To support its deprecation from Manifest V3 extensions, manifest key property
browser_style
defaults tofalse
inoptions_ui
andsidebar_action
for Manifest V3 extensions (Firefox bug 1830710). See Manifest v3 migration for information about transitioning frombrowser_style
in Manifest V3 extensions. - Adds
commands.onChanged
which enables web extensions to listen for changes to command shortcuts (Firefox bug 1801531)
Removals
Other
Older versions
- Firefox 114 for developers
- Firefox 113 for developers
- Firefox 112 for developers
- Firefox 111 for developers
- Firefox 110 for developers
- Firefox 109 for developers
- Firefox 108 for developers
- Firefox 107 for developers
- Firefox 106 for developers
- Firefox 105 for developers
- Firefox 104 for developers
- Firefox 103 for developers
- Firefox 102 for developers
- Firefox 101 for developers
- Firefox 100 for developers
- Firefox 99 for developers
- Firefox 98 for developers
- Firefox 97 for developers
- Firefox 96 for developers
- Firefox 95 for developers
- Firefox 94 for developers
- Firefox 93 for developers
- Firefox 92 for developers
- Firefox 91 for developers
- Firefox 90 for developers
- Firefox 89 for developers
- Firefox 88 for developers
- Firefox 87 for developers
- Firefox 86 for developers
- Firefox 85 for developers
- Firefox 84 for developers