Category: General

UPDATE[2]: Windows Update breaks WPF TrueType font subsetting (Calibri.ttf format specification error) KB5120708

Latest update: WPF printing/PDF generation failures introduced by the August 2026 .NET Framework updates (typically affecting fonts such as Calibri, Cambria, Constantia, and Corbel), Microsoft has acknowledged the issue but has not yet released a permanent fix as of today (11/09/2026). Microsoft states that it is still investigating the regression

UPDATE[1]: Windows Update breaks WPF TrueType font subsetting (Calibri.ttf format specification error) KB5120708

Microsoft have yet to issue a fix for the problem introduced with KB5120708. To check if your server is effected you can use the following PowerShell commands. Add-Type -AssemblyName PresentationCore [System.Windows.Media.GlyphTypeface]::new([Uri]”$env:WINDIR\Fonts\calibri.ttf”).ComputeSubset([uint16[]]@(0)) This will respond with the error reported by Formate eVo if the problem exists. [see below -double click image to enlarge]

Windows Update breaks WPF TrueType font subsetting- KB5120708

Windows Update breaks WPF TrueType font subsetting (Calibri.ttf format specification error) KB5120708   Microsoft have released an update that has the potential to break Formate eVo, if certain fonts are used and the document is printed directly by Formate An 11th August update, KB5120708 for Windows 11 25H2 has broken WPF printing if certain fonts …

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Feature Release 24.10 (24.10.26203.10946)

New Feature Release – Please see release notes in Dashboard Update Utility. Headlines: Add  support for the creation of PDF/A v1 thru v3 Add ability to extract embedded files from PDF/A-3

Hybrid PDF/A – What’s the big deal? ZUGFeRD!

With the upcoming new release of eVo we are adding the ability to create PDF/A documents. Historical this has not been a key requirement of the transactional documents created usually by Formate, but to recap. PDF/A is a specialized version of the PDF format designed for long-term archiving and preservation of electronic documents. Key characteristics: …

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KB5089573 – PDF Report Rendering Issue

KB5089573 is a Windows 11 cumulative preview update (May 26, 2026) for versions 24H2 / 25H2. Microsoft are currently investigating an issue affecting some PDF documents rendering following a recent Windows update. If your pdf document or reports appear incorrect, please open them using Adobe Reader or another non browser based pdf viewer (Edge/Chrome) Appears …

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