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Code Quality: Updated license header
Codebase: Remove unnecessary `this` keyword (#11037)
Fix: Fixed issue with previewing CSS files (#18384)
Code Quality: Updated headers
Code Quality: Remove Async suffix from event methods (#13567)
Code Quality: Formatted with tabs (#10366)
Code Quality: Upgrade dependencies (#16741)
Code Quality: Added work around for Toolkit MarkdownTextBlock
Code Quality: Fixed an issue where the fix in #17335 didn't work (#17337)
Fix: Handle EndOfStreamException in RichTextPreview
Feature: Added support for previewing Office files (#13096)
Code Quality: Cleanup warnings (#18011)