The Syncfusion native Blazor components library offers 70+ UI and Data Viz web controls that are responsive and lightweight for building modern web apps.
.NET PDF framework is a high-performance and comprehensive library used to create, read, merge, split, secure, edit, view, and review PDF files in C#/VB.NET.
Could you please provide me a simple sample that reproduces the issue and also the version from which you have upgraded to 6.4.0.15, so that I could sort out the cause of the issue and provide you a better solution at the earliest?