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January 30, 2026 at 4:28 am #24639AastaadminParticipant
osTicket v1.18.3 // osTicket-1.18.3-Awesome-102
PHP 8.2.30 // MySQL 10.11.14 // Apache web serverHello,
after upgrading osTicket from 1.18.2 to 1.18.3, the logo is missing in the ticket print / PDF view when using osTicket Awesome.
What I tested
Replaced ticket-print.tmpl.php with the original osTicket 1.18.3 core version → logo works
Re-applied with new installation and my configs osTicket Awesome → logo broken again
File permissions and paths are correctComparison
1.18.2 + osTicket Awesome → OK
1.18.3 + osTicket Awesome → FAIL
1.18.3 + core print template → OK
This points to an incompatibility in the Awesome print template with osTicket 1.18.3.Please investigate and update the print template accordingly.
Upload working finde but logo print with an XThe issue can fixed by switching to the osTicket core mechanism and embedding the logo via cid: while handling positioning and sizing purely with CSS, making the PDF rendering reliable. But please investigate
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January 30, 2026 at 4:31 am #24651AastaadminParticipant
Hello,
after upgrading osTicket from 1.18.2 to 1.18.3, the logo is missing in the ticket print / PDF view when using osTicket Awesome.
What I tested
Replaced ticket-print.tmpl.php with the original osTicket 1.18.3 core version → logo works
Re-applied osTicket Awesome → logo broken again
File permissions and paths are correctComparison
1.18.2 + osTicket Awesome → OK
1.18.3 + osTicket Awesome → FAIL
1.18.3 + core print template → OK
This points to an incompatibility in the Awesome print template with osTicket 1.18.3.Please investigate and update the print template accordingly.
Best regards
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January 30, 2026 at 5:06 am #24659AastaadminParticipant
Additional information
I also noticed that avatars are not rendered correctly in the ticket print / PDF view.
Instead of the avatar image, only an “X” placeholder is shown.This issue only occurs with osTicket 1.18.3 + osTicket Awesome.
Using the core 1.18.3 print template, avatars are printed correctly.This further supports that the Awesome print template is not fully compatible with osTicket 1.18.3.
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February 2, 2026 at 1:34 am #24715SstevlandKeymaster
Hi astaadmin,
Thank you for your detailed reports. But I tested osTicket 1.18.3 with osTicket Awesome and cannot reproduce either issue:
Logo: Displays correctly in PDF print. The
pdf_logo()function is already present in osTicket-1.18.3-Awesome-102 (line 172-173 ininclude/staff/templates/ticket-print.tmpl.php). Please verify your file contains:require_once $_SERVER['DOCUMENT_ROOT'] . ROOT_PATH . "/osta/php/functions.php";
$custom_logo = pdf_logo(get_config());If not, please re-extract from the release zip.
Avatars: Avatars are not rendered in PDF print by design (in both vanilla osTicket and osTicket Awesome). I cannot reproduce the “X placeholder” issue. Could you provide a sample PDF showing this, and confirm whether you have any
custom modifications?
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February 2, 2026 at 3:10 am #24723AastaadminParticipant
Additional testing:
I can reproduce the missing logo in PDF issue on our side, regardless of whether a custom logo is enabled or not. Neither the custom logo nor the default osTicket logo is rendered in the PDF.Tested with a clean installation:
uploaded the release ZIP
extracted it
applied permissions
copied only include/ost-config.php
(no other changes)
The issue occurs with osTicket 1.18.3.
Running the exact same steps with 1.18.2 on the same server (same permissions, same config) works fine and the logo is shown.This looks like a regression in 1.18.3.
Please let me know where I should upload a sample PDF.
Environment details:
PHP: 8.2.30 testet also with 8.3, 8.4
Extensions: gd, mbstring (no imagick)
PDF engine: no mPDF detected (class_exists returns false)
osTicket: 1.18.3
Install type: clean install, only ost-config.php copiedSame setup with osTicket 1.18.2 works fine (logo rendered in PDF).
Issue appears only with 1.18.3.Best regards
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February 4, 2026 at 8:20 am #24749AastaadminParticipant
Hello,
Ive done some inspections here my conclusion please check this out and may resolve this in a new version if my inspections are correct: (i am not sure)
The missing logo in ticket print / PDF view under osTicket 1.18.3 is not a server, permission, or osTicket core issue.
It is an incompatibility between the osTicket Awesome print template and mPDF ≥ 8.1, which is used starting with osTicket 1.18.3.Test environment (minimal, reproducible):
PHP 8.2.x (also tested with 8.3 / 8.4)
Apache or Nginx
PHP extensions: gd, mbstring
no imagick
allow_url_fopen = Off
allow_url_include = Off
Software:osTicket 1.18.2 (baseline)
osTicket 1.18.3
osTicket Awesome 102
mPDF:1.18.2 → mPDF 8.0.x
1.18.3 → mPDF 8.2.7
Reproduction steps:Working baseline
Fresh osTicket 1.18.2 installation
Install osTicket Awesome
no changes
allow_url_fopen = Off
Print ticket to PDF
Result: Logo renders correctly.Failing case
Same server, same PHP config
Fresh osTicket 1.18.3 installation
Install osTicket Awesome
no changes
allow_url_fopen = Off
Print ticket to PDF
Result:Logo missing (red X)
Avatars missing (red X)
Control test
Replace Awesome print template with the osTicket 1.18.3 core template
Print again
Result:Logo renders correctly
This confirms the issue is in the Awesome print template, not in osTicket core.Root cause:
The Awesome print template outputs image sources like:
In mPDF 8.0.x, root-relative image paths were often implicitly treated as local files.
Since mPDF 8.1, these paths are classified as URLs.
mPDF attempts HTTP(S) fetching, which fails when allow_url_fopen = Off.
This results in the red X placeholder in the PDF.Why it worked before:
The behavior in mPDF 8.0.x was implicit and undocumented.
The Awesome template relies on this old behavior.
With mPDF ≥ 8.1 (osTicket 1.18.3), this no longer works.Why core works:
The osTicket core uses pdf_logo() and embeds the logo internally (cid / local).
No URL-based image loading is used in PDFs.Conclusion:
This is not an osTicket regression.
It is a template compatibility issue in osTicket Awesome caused by changes in mPDF ≥ 8.1.Recommended fix:
Embed the logo via pdf_logo() / cid / Base64
Avoid URL-based images in PDFs
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February 9, 2026 at 3:33 pm #24891SstevlandKeymaster
If you haven’t done so already, please update to osTicket-1.18.3-Awesome-103. This issue is fixed and there are many new features.
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