Bug 1889377 Comment 0 Edit History

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Original comment by
on 
**Found in**
* 115.9.0(20240314154241)

**Affected versions**
* 124 (20240312201328)
* 125 .0b3(20240401173510)

**Tested platforms**
* Affected platforms: Windows 10
* Unaffected platforms: macOS 14, macOS 13, Ubuntu 22

**Steps to reproduce**
1. Launch Thunderbird.
2. Go to Settings.
3. Search for System Integration.
4. Click on the Check Now... button for the default mail client option.
5. Select the Set as Default button.
6. Click on any mailto: hyperlink.

**Expected result**
* Thunderbird is opened in foreground with the Compose window focused.

**Actual result**
* Thunderbird is not opened in foreground with the Compose window focused.
* Thunderbird is not set as the default mail client in the OS's Default Apps menu.

**Regression range**
* I do not think that this issue is a regression. I went as far back as 68.0a1(20190331095131) from 2019 and it reproduces with the same repro steps.

**Additional notes**
* The workaround for this issue is that you can manually set Thunderbird as the default mail client in Default Apps.
Revision 1 by
on 
**Found in**
* 115.9.0(20240314154241)

**Affected versions**
* 124 (20240312201328)
* 125 .0b3(20240401173510)

**Tested platforms**
* Affected platforms: Windows 10, Windows11
* Unaffected platforms: macOS 14, macOS 13, Ubuntu 22

**Steps to reproduce**
1. Launch Thunderbird.
2. Go to Settings.
3. Search for System Integration.
4. Click on the Check Now... button for the default mail client option.
5. Select the Set as Default button.
6. Click on any mailto: hyperlink.

**Expected result**
* Thunderbird is opened in foreground with the Compose window focused.

**Actual result**
* Thunderbird is not opened in foreground with the Compose window focused.
* Thunderbird is not set as the default mail client in the OS's Default Apps menu.

**Regression range**
* I do not think that this issue is a regression. I went as far back as 68.0a1(20190331095131) from 2019 and it reproduces with the same repro steps.

**Additional notes**
* The workaround for this issue is that you can manually set Thunderbird as the default mail client in Default Apps.
* For Windows 11 , only MID links are set to open with Thunderbird (MAILTO, .wdseml and .eml are NOT)

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