Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/cache@v4, actions/checkout@v4. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

D:\a\Kitopia\Kitopia\PinyinM.NET\Pinyin.NET\PinyinSearcher.cs(89,19): warning CS8625: Cannot convert null literal to non-nullable reference type. [D:\a\Kitopia\Kitopia\PinyinM.NET\Pinyin.NET\Pinyin.NET.csproj::TargetFramework=net8.0]

D:\a\Kitopia\Kitopia\PinyinM.NET\Pinyin.NET\PinyinSearcher.cs(62,36): warning CS8602: Dereference of a possibly null reference. [D:\a\Kitopia\Kitopia\PinyinM.NET\Pinyin.NET\Pinyin.NET.csproj::TargetFramework=net8.0]

D:\a\Kitopia\Kitopia\PinyinM.NET\Pinyin.NET\PinyinSearcher.cs(62,36): warning CS8602: Dereference of a possibly null reference. [D:\a\Kitopia\Kitopia\PinyinM.NET\Pinyin.NET\Pinyin.NET.csproj::TargetFramework=net8.0]

D:\a\Kitopia\Kitopia\PinyinM.NET\Pinyin.NET\PinyinProcessor.cs(75,31): warning CS8602: Dereference of a possibly null reference. [D:\a\Kitopia\Kitopia\PinyinM.NET\Pinyin.NET\Pinyin.NET.csproj::TargetFramework=net8.0]

D:\a\Kitopia\Kitopia\PinyinM.NET\Pinyin.NET\PinyinProcessor.cs(70,38): warning CS8602: Dereference of a possibly null reference. [D:\a\Kitopia\Kitopia\PinyinM.NET\Pinyin.NET\Pinyin.NET.csproj::TargetFramework=net8.0]

D:\a\Kitopia\Kitopia\PinyinM.NET\Pinyin.NET\PinyinSearcher.cs(26,39): warning CS8602: Dereference of a possibly null reference. [D:\a\Kitopia\Kitopia\PinyinM.NET\Pinyin.NET\Pinyin.NET.csproj::TargetFramework=net8.0]

D:\a\Kitopia\Kitopia\Core\Core.csproj : warning NU1903: Package 'SQLitePCLRaw.lib.e_sqlite3' 2.1.11 has a known high severity vulnerability, https://github.com/advisories/GHSA-2m69-gcr7-jv3q [D:\a\Kitopia\Kitopia\KitopiaAvalonia\KitopiaAvalonia.csproj]

D:\a\Kitopia\Kitopia\Core\Core.csproj : warning NU1510: PackageReference System.Runtime.InteropServices will not be pruned. Consider removing this package from your dependencies, as it is likely unnecessary. [D:\a\Kitopia\Kitopia\KitopiaAvalonia\KitopiaAvalonia.csproj]

D:\a\Kitopia\Kitopia\Core.Window\Core.Window.csproj : warning NU1903: Package 'SQLitePCLRaw.lib.e_sqlite3' 2.1.11 has a known high severity vulnerability, https://github.com/advisories/GHSA-2m69-gcr7-jv3q [D:\a\Kitopia\Kitopia\KitopiaAvalonia\KitopiaAvalonia.csproj]