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Update Firefox 152 release notes for WebDriver conforming changes #44405

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Update Firefox 152 release notes for WebDriver conforming changes #44405

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Update Firefox 152 release notes for WebDriver conforming changes
whimboo Jun 10, 2026
d4a5bc1
Update files/en-us/mozilla/firefox/releases/152/index.md
whimboo Jun 10, 2026
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16 changes: 12 additions & 4 deletions files/en-us/mozilla/firefox/releases/152/index.md
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Expand Up @@ -90,13 +90,21 @@ Firefox 152 is the current [Beta version of Firefox](https://www.firefox.com/en-

<!-- #### Removals -->

<!-- ### WebDriver conformance (WebDriver BiDi, Marionette) -->
### WebDriver conformance (WebDriver BiDi, Marionette)

<!-- #### General -->
#### General

<!-- #### WebDriver BiDi -->
- Improved the Marionette and WebDriver BiDi screenshot commands to enforce maximum allowed dimensions. ([Firefox bug 2020302](https://bugzil.la/2020302)).

<!-- #### Marionette -->
#### WebDriver BiDi

- Extended the `webExtension.install` command to support installing web extensions in Firefox enabled in Private Browsing mode. ([Firefox bug 1947679](https://bugzil.la/1947679)).
- Improved the `brower.setDownloadBehavior` command to allow overriding the download target folder before the temporary file is created. ([Firefox bug 2017252](https://bugzil.la/2017252)).
- Fixed network events to only forward in-memory cached JavaScript responses when there is a matching network event collector, avoiding unnecessary data forwarding. ([Firefox bug 2018237](https://bugzil.la/2018237)).

#### Marionette

- Improved the `WebDriver:Navigate` and `WebDriver:Refresh` commands to properly report errors when triggering the navigation fails, instead of silently ignoring them. ([Firefox bug 2033769](https://bugzil.la/2033769)).

## Changes for add-on developers

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