Bug 1639179 Comment 0 Edit History

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Original comment by

Cristian Fogel [:cfogel]

on 2020-05-19 05:08:17 PDT

**Affected versions**
* 76.0.1, 77.0b7, 78.0a1 (2020-05-18)

**Affected platforms**
* Windows 10, macOS 10.15.4, Ubuntu 18.04;

**Steps to reproduce**
1. Launch Firefox, access any webpage;
2. Open DevTools, select any of the Computed/Changes/Compatibility tabs;
3. Click on the Toggle 3pane button

**Expected result**
* toggle of 3pane tab should reveal the same-active tab after re-enable;

**Actual result**
* toggling does not show the Compatibility tab again

**Regression range**
* will check and provide one asap;

**Additional notes**
* attached recording with the issue.

Revision 1 by

Cristian Fogel [:cfogel]

on 2020-05-25 03:38:20 PDT

**Affected versions**
* 76.0.1, 77.0b7, 78.0a1 (2020-05-18)

**Affected platforms**
* Windows 10, macOS 10.15.4, Ubuntu 18.04;

**Steps to reproduce**
1. Launch Firefox, access any webpage;
2. Open DevTools, select any of the Computed/Changes/Compatibility tabs;
3. Click on the Toggle 3pane button

**Expected result**
* toggle of 3pane tab should reveal the same-active tab after re-enable;

**Actual result**
* toggling does not show the Compatibility tab again

**Regression range**
* Last good revision: (2018-04-05)
* First bad revision: (2018-04-06)
* Pushlog: [URL](https://hg.mozilla.org/mozilla-central/pushloghtml?fromchange=2f5ffe4fa2153a798ed8b310a597ea92abd1b868&tochange=ee6283795f41d97faeaccbe8bd051a36bbe30c64)

**Additional notes**
* attached recording with the issue.