Bug 1679506 Comment 0 Edit History

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Original comment by
on 
*Affected versions*
* 83.0 (20201112153044)
* 84.0b5 (20201126155845)
* 85.0a1(20201116094341)


*Affected platforms*

* macOS 10.12


*Steps to reproduce*
1. Open Firefox and a random page.
2. Click print from the hamburger menu

*Expected result*
* Print preview is opened as expected.

*Actual result*
* Print Preview has a very long loading time on previewing the file.

*Regression range*
* Last good revision: dafa26b89edacc8d9fb9eade704d7124ba5239cf (2020-10-22)
* First bad revision: 1980f87855fc557e7ef6bb24b66c4d2df5606afa (2020-10-23)
* Pushlog:
https://hg.mozilla.org/mozilla-central/pushloghtml?fromchange=dafa26b89edacc8d9fb9eade704d7124ba5239cf&tochange=1980f87855fc557e7ef6bb24b66c4d2df5606afa



*Notes*
* After a while, the print preview is loaded but saving the pdf results in another long wait time.
* Attached a screen recording with Firefox 82.0.3(unaffected) and Firefox 84.0b5: [link](https://drive.google.com/file/d/1jEVbqhGK4M_o8MIgofPAm9dTbyMd7ERK/view?usp=sharing).


**Suggested Severity: S3**
Revision 1 by
on 
*Affected versions*
* 83.0 (20201112153044)
* 84.0b5 (20201126155845)
* 85.0a1(20201116094341)


*Affected platforms*

* macOS 10.12


*Steps to reproduce*
1. Open Firefox and a random page.
2. Click print from the hamburger menu

*Expected result*
* Print preview is opened as expected.

*Actual result*
* Print Preview has a very long loading time on previewing the file.

*Regression range*
* Last good revision: dafa26b89edacc8d9fb9eade704d7124ba5239cf (2020-10-22)
* First bad revision: 1980f87855fc557e7ef6bb24b66c4d2df5606afa (2020-10-23)
* Pushlog:
https://hg.mozilla.org/mozilla-central/pushloghtml?fromchange=dafa26b89edacc8d9fb9eade704d7124ba5239cf&tochange=1980f87855fc557e7ef6bb24b66c4d2df5606afa



*Notes*
* After a while, the print preview is loaded but saving the pdf results in another long wait time but resulting in a successful print to pdf.
* Attached a screen recording with Firefox 82.0.3(unaffected) and Firefox 84.0b5: [link](https://drive.google.com/file/d/1jEVbqhGK4M_o8MIgofPAm9dTbyMd7ERK/view?usp=sharing).


**Suggested Severity: S3**
Revision 2 by
on 
*Affected versions*
* 83.0 (20201112153044)
* 84.0b5 (20201126155845)
* 85.0a1(20201116094341)


*Affected platforms*

* macOS 10.12


*Steps to reproduce*
1. Open Firefox and a random page.
2. Click print from the hamburger menu

*Expected result*
* Print preview is opened as expected.

*Actual result*
* Print Preview has a very long loading time on previewing the file.

*Regression range*
* Last good revision: dafa26b89edacc8d9fb9eade704d7124ba5239cf (2020-10-22)
* First bad revision: 1980f87855fc557e7ef6bb24b66c4d2df5606afa (2020-10-23)
* Pushlog:
https://hg.mozilla.org/mozilla-central/pushloghtml?fromchange=dafa26b89edacc8d9fb9eade704d7124ba5239cf&tochange=1980f87855fc557e7ef6bb24b66c4d2df5606afa



*Notes*
* After a while, the print preview is loaded but saving the pdf results in another long wait time but resulting in a successful print.
* Attached a screen recording with Firefox 82.0.3(unaffected) and Firefox 84.0b5: [link](https://drive.google.com/file/d/1jEVbqhGK4M_o8MIgofPAm9dTbyMd7ERK/view?usp=sharing).


**Suggested Severity: S3**
Revision 3 by
on 
*Affected versions*
* 83.0 (20201112153044)
* 84.0b5 (20201126155845)
* 85.0a1(20201116094341)


*Affected platforms*

* macOS 10.12


*Steps to reproduce*
1. Open Firefox and a random page.
2. Click print from the hamburger menu

*Expected result*
* Print preview is opened as expected.

*Actual result*
* Print Preview has a very long loading time on previewing the file.

*Regression range*
* Last good revision: dafa26b89edacc8d9fb9eade704d7124ba5239cf (2020-10-22)
* First bad revision: 1980f87855fc557e7ef6bb24b66c4d2df5606afa (2020-10-23)
* Pushlog:
https://hg.mozilla.org/mozilla-central/pushloghtml?fromchange=dafa26b89edacc8d9fb9eade704d7124ba5239cf&tochange=1980f87855fc557e7ef6bb24b66c4d2df5606afa



*Notes*
* After a while, the print preview is loaded but saving the pdf results in another long wait time but resulting in a successful print.
* Attached a screen recording with Firefox 82.0.3(unaffected) and Firefox 84.0b5: [link](https://drive.google.com/file/d/1jEVbqhGK4M_o8MIgofPAm9dTbyMd7ERK/view?usp=sharing).
* Also it seems that clicking the Cancel button while the preview is loading and then pressing CMD+P from the keyboard result in Print Preview being opened only after in 1 minute or so.


**Suggested Severity: S3**
Revision 4 by
on 
*Affected versions*
* 83.0 (20201112153044)
* 84.0b5 (20201126155845)
* 85.0a1(20201116094341)


*Affected platforms*

* macOS 10.12


*Steps to reproduce*
1. Open Firefox and a random page.
2. Click print from the hamburger menu

*Expected result*
* Print preview is opened as expected.

*Actual result*
* Print Preview has a very long loading time on previewing the file.

*Regression range*
* Last good revision: dafa26b89edacc8d9fb9eade704d7124ba5239cf (2020-10-22)
* First bad revision: 1980f87855fc557e7ef6bb24b66c4d2df5606afa (2020-10-23)
* Pushlog:
https://hg.mozilla.org/mozilla-central/pushloghtml?fromchange=dafa26b89edacc8d9fb9eade704d7124ba5239cf&tochange=1980f87855fc557e7ef6bb24b66c4d2df5606afa



*Notes*
* After a while, the print preview is loaded but saving the pdf results in another long wait time but resulting in a successful print.
* Attached a screen recording with Firefox 82.0.3(unaffected) and Firefox 84.0b5: [link](https://drive.google.com/file/d/1jEVbqhGK4M_o8MIgofPAm9dTbyMd7ERK/view?usp=sharing).
* Also it seems that clicking the Cancel button while the preview is loading and then pressing CMD+P from the keyboard results in Print Preview window being opened only after in 1 minute or so.


**Suggested Severity: S3**
Revision 5 by
on 
*Affected versions*
* 83.0 (20201112153044)
* 84.0b5 (20201126155845)
* 85.0a1(20201116094341)


*Affected platforms*

* macOS 10.12


*Steps to reproduce*
1. Open Firefox and a random page.
2. Click print from the hamburger menu

*Expected result*
* Print preview is opened as expected.

*Actual result*
* Print Preview has a very long loading time on previewing the file.

*Regression range*
* Last good revision: dafa26b89edacc8d9fb9eade704d7124ba5239cf (2020-10-22)
* First bad revision: 1980f87855fc557e7ef6bb24b66c4d2df5606afa (2020-10-23)
* Pushlog:
https://hg.mozilla.org/mozilla-central/pushloghtml?fromchange=dafa26b89edacc8d9fb9eade704d7124ba5239cf&tochange=1980f87855fc557e7ef6bb24b66c4d2df5606afa



*Notes*
* After a while, the print preview is loaded but saving the pdf results in another long wait time but resulting in a successful print.
* Attached a screen recording with Firefox 82.0.3(unaffected) and Firefox 84.0b5: [link](https://drive.google.com/file/d/1jEVbqhGK4M_o8MIgofPAm9dTbyMd7ERK/view?usp=sharing).
* Also it seems that clicking the Cancel button while the preview is loading and then pressing CMD+P from the keyboard results in the Print Preview window being opened only after 1 minute or so. I don't know if I should open another bug for this behavior or it's the same issue.


**Suggested Severity: S3**
Revision 6 by
on 
*Affected versions*
* 83.0 (20201112153044)
* 84.0b5 (20201126155845)
* 85.0a1(20201116094341)


*Affected platforms*

* macOS 10.12


*Steps to reproduce*
1. Open Firefox and a random page.
2. Click print from the hamburger menu

*Expected result*
* Print preview is opened as expected.

*Actual result*
* Print Preview has a very long loading time on previewing the file.

*Regression range*
* Last good revision: dafa26b89edacc8d9fb9eade704d7124ba5239cf (2020-10-22)
* First bad revision: 1980f87855fc557e7ef6bb24b66c4d2df5606afa (2020-10-23)
* Pushlog:
https://hg.mozilla.org/mozilla-central/pushloghtml?fromchange=dafa26b89edacc8d9fb9eade704d7124ba5239cf&tochange=1980f87855fc557e7ef6bb24b66c4d2df5606afa



*Notes*
* After a while, the print preview is loaded but saving the pdf results in another long wait time but resulting in a successful print.
* Attached a screen recording with Firefox 82.0.3(unaffected) and Firefox 84.0b5: [link](https://drive.google.com/file/d/1jEVbqhGK4M_o8MIgofPAm9dTbyMd7ERK/view?usp=sharing).
* Print Preview is also reloaded very slow when changing settings(e.g scale, pages, paper size etc.)
* Also it seems that clicking the Cancel button while the preview is loading and then pressing CMD+P from the keyboard results in the Print Preview window being opened only after 1 minute or so. I don't know if I should open another bug for this behavior or it's the same issue.


**Suggested Severity: S3**

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