v2.7 beta1

• Drop Windows XP support
• High DPI fixes
• Use MUI as localization system
• Replace NuGet package system with Vcpkg. PCRE, Hunspell, Scintilla sources removed.
• Update Scintilla to v3.7.6
• Update PCRE to v8.41
• Update Hunspell to v1.6.1
• Use dynamic VCRuntime to reduce installation size and allow CRT updates via Windows Update