Open Bug 1648728 Opened 4 years ago Updated 4 years ago

User is unable to move the Buffer Settings controls from about:profiling in RDM with Touch simulation ON


(DevTools :: Responsive Design Mode, defect, P3)

Windows 10


(firefox77 disabled, firefox78 disabled, firefox79 affected)

Tracking Status
firefox77 --- disabled
firefox78 --- disabled
firefox79 --- affected


(Reporter: rdoghi, Unassigned)


(Blocks 2 open bugs)



(1 file)

Attached video 2020-06-26_13h44_09.mp4

[Affected versions]:
Nightly 79.0a1 (2020-06-25)

[Affected platforms]:
Platforms: Windows 10

Have devtools.responsive.browserUI.enabled = true

Steps :

  1. Launch the Firefox browser and reach about:profiling
  2. Hit Ctrl+Shift+M in order to start RDM
  3. Scroll to the Buffer Settings section
  4. Try to move the Sampling interval and Buffer size controls

Expected Results :
The user should be able to move the controls when touch simulation is on

Actual Results :
User is unable to move the controls when touch simulation is on.

Severity: -- → S3
Priority: -- → P3

Hi, i'm also able to reproduce this issue in beta 79.0b5 (64-bit).

Best regards,

Blocks: rdm-touch
No longer blocks: dt-rdm-fission
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