1743617 - Blank markup view when debugging webextension from Firefox 96 to 95

Status: RESOLVED FIXED

(DevTools :: Inspector, defect)

Description

[Julian Descottes [:jdescottes]]

STRs:

• setup remote debugging with 96 client and 95 server (https://gist.github.com/juliandescottes/b0d3d83154d9ea8a84db5d32aa35d2c1)
• on the server firefox: install a webextension (eg https://addons.mozilla.org/en-US/firefox/addon/devtools-highlighter/)
• on the client firefox: connect to the server firefox, and inspect the WebExtension
• in the toolbox that opened, select the inspector

ER: The markupview should show valid markup
AR: Markupview is blank

There are errors in the Browser Console of the client such as:

can't access property "getParentWindowGlobalTarget", this.watcherFront is undefined

Comment 1

[Julian Descottes [:jdescottes]]

Regressed by Bug 1741669

Comment 2

[Julian Descottes [:jdescottes]]

Attachment: Bug 1743617 - [devtools] Fix backward compat for getParentTarget with webextension targets in FF95 or older

Comment 3

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/a0c41bc53020
[devtools] Fix backward compat for getParentTarget with webextension targets in FF95 or older r=ochameau

Comment 4

[Marian-Vasile Laza]

https://hg.mozilla.org/mozilla-central/rev/a0c41bc53020

Comment 5

[BugBot [:suhaib / :marco/ :calixte]]

Set release status flags based on info from the regressing bug 1741669