1894379 - Breakable lines gutter markers are not dispalyed on initial load

Status: VERIFIED FIXED

(DevTools :: Debugger, defect, P2)

Description

[Hubert Boma Manilla (:bomsy)]

STR

Note: Make sure the pref devtools.debugger.features.codemirror-next is true

1. Goto https://todomvc.com/ and open the debugger
2. Open https://todomvc.com/site-assets/main.js
3. Notice the breakable lines can be seen in the line number gutter
4. Close and reopen devtools, then go to the debugger
5. Main.js should should be the selected source
6. Check the line number gutter

ER

The breakable lines can be seen in the line number gutter.

AR

breakable lines are not highlighted in the line number gutter

Comment 1

[Hubert Boma Manilla (:bomsy)]

Attachment: Bug 1894379 - [devtools] Make sure empty line markers are rendered on initial load r=#devtools-reviewers

Comment 2

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/286a373804e5
[devtools] Make sure empty line markers are rendered on initial load r=devtools-reviewers,nchevobbe

Comment 3

[Sandor Molnar[:smolnar]]

https://hg.mozilla.org/mozilla-central/rev/286a373804e5

Comment 4

[Ciprian Georgiu, Desktop QA]

I've repro this issue on Win 11 with STR from comment 0, on an affected Nightly build (2024-04-30). Thanks, Hubert Boma for the details provided offline.

The issue is verified as fixed on Release 127.0 with Win 11, macOS 14 and Ubuntu 20.04.