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PDF Converter for SharePoint 8.4 - PDF/A-3b, Improved Watermark On Open, Bug Fixes!

Posted at: 17:46 on 16 January 2019 by Muhimbi

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Over the past 10 years, we have always made it a habit to listen to our customers, especially when kicking off the development of a new release. Once you receive a request, or bug, more than once, you'd better do something about it.

However, during the last 3 to 4 years things have changed. Naturally we still listen to our customers, but Muhimbi is now its own biggest customer. What!? Indeed, and to the best of our knowledge, no one carries out more operations in a real-word production environment than we do in-house. Why is this? Well, our popular cloud based services, the Muhimbi PDF Converter for SharePoint Online, and the Muhimbi PDF Converter Services Online, use the exact same engine that we ship alongside our on-premise products.

Because our Online customers fully depend on us, our data centres and our software, the responsibility to keep things up and running has shifted from our customers' IT departments, to our own operations team. Although our products have always been very stable and scalable, there were plenty of minor hiccups that we did not know about because it wasn't too much of a problem to our customers. However, when you run your own software at a very VERY large scale then all small things add up.

To cut a long story short, we monitor our online services like a hawk. Each and every issue, no matter how big or small, is recorded and analysed. If we can help it, we fix it. As a result we have improved and fixed dozens of issues in the new 8.4 release.

Naturally we added some new functionality as well. The key changes are as follows:

  • Support for PDF/A-3b in addition to existing support for PDF/A-1b and 2b.
  • Skip processing of 'real-time operations' for search indexer and other system accounts.
  • Support for 3rd party OCR engines.
  • Support for TLS 1.2 throughout.
  • Automatically generate named destinations based on PDF Bookmarks.
  • Support for merging of PDF Portfolio files.
  • Optionally unhide hidden Excel columns and rows during PDF conversion.
  • PDF Conversion of Outlook contacts (in MSG Format).
  • PDF Conversion of delivery and read receipts (in MSG Format).
  • Support for targeting 'last page' when watermarking documents.
  • Many improvements to Email, AutoCAD, MS-Word and HTML converters.
  • New unattended installer.

For those not familiar with the product, the Muhimbi PDF Converter for SharePoint is a lightweight solution that allows end-users to merge, split, watermark, secure, OCR and convert common document types - including InfoPath, AutoCAD, MSG (email) MS-Office, HTML and images - to PDF as well as other formats from within SharePoint using a friendly user interface, workflows or a web service call, without the need to install any client-side software or Adobe Acrobat. It integrates at a deep level with SharePoint and leverages facilities such as the Audit log, Nintex Workflow, K2 blackpearl, localisation, security and tracing. It runs on SharePoint 2007-2019 & SharePoint Online and is available in English, German, Dutch, French, Traditional Chinese and Japanese. For detailed information check out the product page. This ‘on-premise’ version of the PDF Converter requires software to be installed on the SharePoint server. Please note that if you have no server access, there is always the option to deploy our SharePoint Online App to on-premise versions of SharePoint 2013, 2016 and 2019. For details see this blog post.


When upgrading from a previous version, read this Knowledge Base article first.


Some of the main changes and additions in the new version are as follows:

4145 AutoCAD Fix Upgrade AutoCAD Converter
3033 AutoCAD Fix Cad drawings converted into PDF have syntax issues
2941 AutoCAD Fix When AutoCAD conversions are running in parallel they sometimes fail
1902 AutoCAD Fix Hebrew Font Rendering doesn't work for AutoCAD conversions
3977 Conversion New Add support for XLT and XLTX
3610 Core Fix Print Spooler service is not started on DocumentConverterService startup
3449 Core Improvement Increase default file size limitation to 100MB
3889 Core Improvement Suppress info logging for diagnostic requests
1560 Core Improvement Improve Debug logging for PDF Splitting
3517 Core Improvement Extract OCR text action does not log into the DocumentConvert.log file
2140 Core Improvement Improve cleaning up of old Temp Files
2934 Core Improvement Move Conversion Service to .net 4.0
4369 Core Improvement Add support for TLS1.2 in Core Web Service
4031 Core New Implement Windows / System Temp and cache Folder cleaner
3903 Core New Implement Request specific regional settings (Date format, time zone etc)
4407 Documentation Improvement Update documentation about FIPS
3907 Email Fix MSG Converter - Content goes missing from beginning of line
3324 Email Fix MSG Converter - UTF-8/UTF-16 encoding issues
2932 Email Fix MSG Converter - Incorrect line spacing
4135 Email Fix OverflowException converting msg file
4368 Email Fix MSG Conversion - URLs containing # not converted correctly
4376 Email Fix Some embedded images in a MimeFile email are disappearing
4308 Email Fix MSG conversion - Image does not appear
2117 Email Fix Failed MSG Conversions leak files in Temp folder
4174 Email Improvement MSG Converter - Fix 'sent date' when converting email drafts
4377 Email Improvement MSG rendering errors when FitWidthScaleImagesOnly is used
2802 Email New MSG Converter - Make it possible to change page size and margins
4066 Email New MSG Converter - Add support for displaying of Contacts
3976 Email New Conversion of MAPI report emails to PDF (Read receipts, delivery receipts)
4364 Email New Reference error for msg file type containing excel attachment
4067 Excel New Implement facility to un-hide Excel Columns and Rows
3535 HTML Fix Cannot see List content within Web-part Page using HTML Converter
4217 HTML Fix Strange letter spacing in pdf converted from html
4210 HTML Fix Some websites cannot be converted
4304 HTML Fix HTML based Email conversion is impossible for certain locales
3397 HTML Fix Webkit HTML Converter returns empty PDF when child process dies
4289 HTML Improvement System crash under high HTML Conversion load
3137 HTML Improvement Auto translate 'Minimal Download Feature' URL to full URL
4375 HTML Improvement Add support for TLS1.2 in HtmlConverter
3450 HTML Improvement Allow default HTML Conversion Delay to be configured using STSADM
4642 Image Fix JPG files with invalid EXIF tags convert into blank PDF
4032 InfoPath Fix InfoPath cache cleaner does not work on some systems
4353 InfoPath Improvement Add support for TLS1.2 when fetching XSN files
3187 Merging Fix Merged document cannot be saved
3169 Merging Fix Named destinations are duplicated in certain scenarios
3152 Merging Fix Named destinations are lost during merge
3142 Merging Fix Named Destinations with German 'umlaute' fail
4069 Merging Fix PDLayoutDontCare error during merging
3263 Merging Fix Chinese character displayed incorrectly in merging error messages
3148 Merging Fix PDF.ConvertAttachmentMode=RemoveAll doesn't appear to work
4753 Merging Fix PdfNamedDestinationCollection exception during merging
4745 Merging Fix Layering problems after merging certain documents
4750 Merging Fix NullReferenceException in GetNodeCount while merging documents
4258 Metadata Improvement Managed Metadata Columns don't copy cross site
2791 MS-Word Fix DIP is not stripped for some MS-Word files
2294 MS-Word Improvement Fix filename field in headers and footers when converting Word files
734 MS-Word Improvement Fix conversion of Documents containing the ASK / FILLIN field
3429 OCR Fix Nullref exception in UnicodeTrueTypeFont.SetSymbols during OCR
3428 OCR Fix NullRef Exception in ITrueTypeFont.GetCharWidth during OCR
4245 OCR Fix GDI+' errors when carrying out OCR on certain documents
4657 OCR Fix Error while reading image's width during OCR
3124 OCR Improvement Return PDF AND text in single OCR operation
3082 OCR New Add support for 3rd party OCR engines
4317 OCR New Calculate and return number of pages for OCR operations
2920 PDF Fix PDF/A Conversion - Validation Error - contains action of type launch
1910 PDF Improvement Improve support for merging Acrobat PDF Portfolio Files
3109 PDF New Add support for PDF/A-3B
3945 PDF Security Improvement PDF security page allows to save settings without owner/open password
4737 PHP Improvement Fix PHP Soap libraries
4143 PHP Improvement Update PHP Proxies and sample code
3559 Setup Fix Uninstall process does not always clean up the WebConfigModifications.
4138 Setup Fix Document Converter Service installer does not open firewall port
2632 Setup Improvement Review and update unattended installer
3419 Setup Improvement Improve SharePoint Resource Deployment
2912 Setup Improvement Remove '2013' from all WSP file names, to avoid confusion in SP2016.
2555 Setup New Add 'unattended (u)ninstallation chapter back to the admin guide.
4734 TOC Fix ToC generation fails if decimal separator is not '.' (period) for the locale
3540 TOC Fix Table of Contents titles not respecting page-break-inside: avoid rule
3600 UI Improvement Implement Chrome and Firefox compatible folder picker
2860 Visio Fix Visio hangs on some files
4187 Visio Fix Some Visio files are not converting
3989 Watermarking Fix Font errors when watermarking documents
4236 Watermarking Fix Layers' related problem when watermarking PDF
4227 Watermarking Fix Out of memory exception while real time watermarking
4378 Watermarking Fix Watermark on Open crashes W3WP for certain edge cases
3936 Watermarking Improvement Add support for watermarking last page
3077 Watermarking New Skip 'Watermark On Open' for search crawlers and other system accounts


For more information check out the following resources:


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