1470841 - [Memory] Rendering issue while zoom/drag content inside the Tree map view

Status: NEW

(DevTools :: Memory, defect, P3)

Description

[Anca Soncutean [:Anca], Desktop Release QA]

Attachment: screencast showing the issue.gif

[Affected versions]: 
- 61.0 (20180621125625)
- 62.0b2 Dev Edition (20180621152331) 
- 62.0a1 (2018-06-24)

[Affected platforms]:
- Windows 10 x64
- macOS 10.13
- Ubuntu 16.04 x64

[Steps to reproduce]:
1. Open the Developer tools with the Memory tab in focus
2. Click on the “Take a snapshot” button
3. Zoom and drag the content inside the Tree map view pane

[Expected result]:
- The text size increases along with the zoom scale level.
- No lag or visual glitches appear during the zoom/drag process.

[Actual result]:
- Only the rectangular figures enlarge, while the text remains at its initial size.
- Rendering issue are triggered while dragging the content (see the attached screencast).

[Regression range]: 
- This is not a regression, the mentioned above behavior occurs also, in Firefox 48.0a1.

Comment 1

[Julien Wajsberg [:julienw]]

I think that the text size not enlarging is done on purpose. Ctrl + should enlarge it properly though.
The rendering issue is transitory but indeed it's quite not nice.