feat!: move to StyleSharp analyzers and ReactiveUI 26, add ReactiveUI.Validation.Reactive

.gitattributes

@@ -1,278 +1,28 @@
-# Catch all for anything we forgot. Add rules if you get CRLF to LF warnings.
-* text=auto
-# Text files that should be normalized to LF in odb.
-*.cs     text diff=csharp
-*.xaml   text
-*.config text
-*.c      text
-*.h      text
-*.cpp    text
-*.hpp    text
-*.sln     text
-*.csproj  text
-*.vcxproj text
-*.tt       text
-*.sh       text
-*.ps1      text
-*.cmd      text
-*.bat      text
-*.markdown text
-*.msbuild  text
-# Binary files that should not be normalized or diffed
-*.png    binary
-*.jpg    binary
-*.gif    binary
-*.ico    binary
-*.rc     binary
-*.pfx    binary
-*.snk    binary
-*.dll    binary
-*.exe    binary
-*.lib    binary
-*.exp    binary
-*.pdb    binary
-*.sdf    binary
-*.7z     binary
-# Generated file should just use CRLF, it's fiiine
-SolutionInfo.cs text eol=crlf diff=csharp
+# Every text file is stored and checked out with LF, on every platform.
+#
+# Without this, a Windows checkout with core.autocrlf=true rewrites LF to CRLF
+# on the way to disk. The line-ending analyzer then fails the whole build on the
+# Windows leg while the Linux and macOS legs pass, because the files on disk no
+# longer match what is in the repository. `eol=lf` pins the checkout, so the
+# working tree matches the index everywhere.
+#
+# The .editorconfig already sets end_of_line = lf for editors; this is the same
+# rule for git, which editors do not control.
+* text=auto eol=lf
 
-# Binary content that no other rule covers.
-*.3ds      binary
-*.3g2      binary
-*.3gp      binary
-*.BMP      binary
-*.DS_Store binary
-*.GIF      binary
-*.JPEG     binary
-*.JPG      binary
-*.PNG      binary
-*.a        binary
-*.aac      binary
-*.adp      binary
-*.ai       binary
-*.aif      binary
-*.aiff     binary
-*.alz      binary
-*.ape      binary
-*.apk      binary
-*.ar       binary
-*.arj      binary
-*.asf      binary
-*.au       binary
-*.avi      binary
-*.bak      binary
-*.baml     binary
-*.bh       binary
-*.bin      binary
-*.bk       binary
-*.bmp      binary
-*.btif     binary
-*.bz2      binary
-*.bzip2    binary
-*.cab      binary
-*.caf      binary
-*.cgm      binary
-*.class    binary
-*.cmx      binary
-*.cpio     binary
-*.cr2      binary
-*.csv      binary
-*.cur      binary
-*.dat      binary
-*.dcm      binary
-*.deb      binary
-*.dex      binary
-*.djvu     binary
-*.dmg      binary
-*.dng      binary
-*.doc      binary
-*.docm     binary
-*.docx     binary
-*.dot      binary
-*.dotm     binary
-*.dra      binary
-*.dsk      binary
-*.dts      binary
-*.dtshd    binary
-*.dvb      binary
-*.dwg      binary
-*.dxf      binary
-*.ecelp4800 binary
-*.ecelp7470 binary
-*.ecelp9600 binary
-*.egg      binary
-*.eol      binary
-*.eot      binary
-*.epub     binary
-*.f4v      binary
-*.fbs      binary
-*.fh       binary
-*.fla      binary
-*.flac     binary
-*.fli      binary
-*.flv      binary
-*.fpx      binary
-*.fst      binary
-*.fvt      binary
-*.g3       binary
-*.graffle  binary
-*.gz       binary
-*.gzip     binary
-*.h261     binary
-*.h263     binary
-*.h264     binary
-*.icns     binary
-*.ief      binary
-*.img      binary
-*.ipa      binary
-*.iso      binary
-*.jar      binary
-*.jpeg     binary
-*.jpgv     binary
-*.jpm      binary
-*.jxr      binary
-*.key      binary
-*.ktx      binary
-*.lha      binary
-*.lvp      binary
-*.lz       binary
-*.lzh      binary
-*.lzma     binary
-*.lzo      binary
-*.m3u      binary
-*.m4a      binary
-*.m4v      binary
-*.mar      binary
-*.mht      binary
-*.mid      binary
-*.midi     binary
-*.mj2      binary
-*.mka      binary
-*.mkv      binary
-*.mmr      binary
-*.mng      binary
-*.mobi     binary
-*.mov      binary
-*.movie    binary
-*.mp3      binary
-*.mp4      binary
-*.mp4a     binary
-*.mpeg     binary
-*.mpg      binary
-*.mpga     binary
-*.mxu      binary
-*.nef      binary
-*.npx      binary
-*.numbers  binary
-*.o        binary
-*.oga      binary
-*.ogg      binary
-*.ogv      binary
-*.otf      binary
-*.pages    binary
-*.pbm      binary
-*.pcx      binary
-*.pdf      binary
-*.pea      binary
-*.pgm      binary
-*.pic      binary
-*.pnm      binary
-*.pot      binary
-*.potm     binary
-*.potx     binary
-*.ppa      binary
-*.ppam     binary
-*.ppm      binary
-*.pps      binary
-*.ppsm     binary
-*.ppsx     binary
-*.ppt      binary
-*.pptm     binary
-*.pptx     binary
-*.psd      binary
-*.pya      binary
-*.pyc      binary
-*.pyo      binary
-*.pyv      binary
-*.qt       binary
-*.rar      binary
-*.ras      binary
-*.raw      binary
-*.resources binary
-*.rgb      binary
-*.rip      binary
-*.rlc      binary
-*.rmf      binary
-*.rmvb     binary
-*.rtf      binary
-*.rz       binary
-*.s3m      binary
-*.s7z      binary
-*.scpt     binary
-*.sgi      binary
-*.shar     binary
-*.sil      binary
-*.sketch   binary
-*.slk      binary
-*.smv      binary
-*.so       binary
-*.sub      binary
-*.swf      binary
-*.tar      binary
-*.tbz      binary
-*.tbz2     binary
-*.tga      binary
-*.tgz      binary
-*.thmx     binary
-*.tif      binary
-*.tiff     binary
-*.tlz      binary
-*.ttc      binary
-*.ttf      binary
-*.txz      binary
-*.udf      binary
-*.uvh      binary
-*.uvi      binary
-*.uvm      binary
-*.uvp      binary
-*.uvs      binary
-*.uvu      binary
-*.viv      binary
-*.vob      binary
-*.war      binary
-*.wav      binary
-*.wax      binary
-*.wbmp     binary
-*.wdp      binary
-*.weba     binary
-*.webm     binary
-*.webp     binary
-*.whl      binary
-*.wim      binary
-*.wm       binary
-*.wma      binary
-*.wmv      binary
-*.wmx      binary
-*.woff     binary
-*.woff2    binary
-*.wvx      binary
-*.xbm      binary
-*.xif      binary
-*.xla      binary
-*.xlam     binary
-*.xls      binary
-*.xlsb     binary
-*.xlsm     binary
-*.xlsx     binary
-*.xlt      binary
-*.xltm     binary
-*.xltx     binary
-*.xm       binary
-*.xmind    binary
-*.xpi      binary
-*.xpm      binary
-*.xwd      binary
-*.xz       binary
-*.z        binary
-*.zip      binary
-*.zipx     binary
+# Never normalise binary content — a stray LF-to-CRLF pass corrupts it.
+*.png binary
+*.jpg binary
+*.jpeg binary
+*.gif binary
+*.ico binary
+*.pdf binary
+*.snk binary
+*.pfx binary
+*.dll binary
+*.exe binary
+*.zip binary
+*.nupkg binary
+*.ttf binary
+*.woff binary
+*.woff2 binary

.github/renovate.json

@@ -11,8 +11,7 @@
             ],
             "groupName": "analyzers",
             "matchPackageNames": [
-                "/^Roslynator\\./",
-                "/^stylecop\\.analyzers$/i"
+                "/^(Style|Performance|Security|PublicApi)Sharp\\.Analyzers$/"
             ]
         },
         {
@@ -26,17 +25,6 @@
                 "/^Microsoft\\.SourceLink\\./"
             ]
         },
-        {
-            "description": "Verify.TUnit is built against a specific TUnit version. The shared preset groups TUnit separately from Verify.*, which can split a matched pair across two PRs and red the build; keep them together here.",
-            "matchManagers": [
-                "nuget"
-            ],
-            "groupName": "TUnit",
-            "matchPackageNames": [
-                "/^TUnit(\\.|$)/",
-                "/^Verify\\./"
-            ]
-        },
         {
             "description": "MessageBox.Avalonia is part of the Avalonia sample stack but does not carry the Avalonia prefix the shared preset matches on.",
             "matchManagers": [
@@ -47,16 +35,6 @@
                 "/^Avalonia(\\.|$)/",
                 "/^MessageBox\\.Avalonia$/"
             ]
-        },
-        {
-            "description": "Test and benchmark helpers that sit outside the framework cohorts the shared preset already groups.",
-            "matchManagers": [
-                "nuget"
-            ],
-            "groupName": "test tooling",
-            "matchPackageNames": [
-                "/^PublicApiGenerator$/"
-            ]
         }
     ]
 }

AGENTS.md

@@ -28,7 +28,7 @@ dotnet restore ReactiveUI.Validation.slnx
 # Build the solution
 dotnet build ReactiveUI.Validation.slnx -c Release
 
-# Build with warnings as errors (includes StyleCop violations)
+# Build with warnings as errors (includes StyleSharp, PerformanceSharp and SecuritySharp violations)
 dotnet build ReactiveUI.Validation.slnx -c Release -warnaserror
 
 # Clean the solution
@@ -215,8 +215,10 @@ this.ValidationRule(
 ### Style Enforcement
 
 - EditorConfig rules (`.editorconfig`) - comprehensive C# formatting and naming conventions
-- StyleCop Analyzers - builds fail on violations
-- Roslynator Analyzers - additional code quality rules
+- StyleSharp.Analyzers (SST rules) - style and maintainability; builds fail on violations
+- PerformanceSharp.Analyzers (PSH rules) - performance
+- SecuritySharp.Analyzers (SES rules) - security
+- Rule docs: https://github.com/glennawatson/RoslynCommonAnalyzers/tree/main/docs/rules
 - **All public APIs require XML documentation comments**
 
 ### C# Style Rules

CLAUDE.md

@@ -28,7 +28,7 @@ dotnet restore ReactiveUI.Validation.slnx
 # Build the solution
 dotnet build ReactiveUI.Validation.slnx -c Release
 
-# Build with warnings as errors (includes StyleCop violations)
+# Build with warnings as errors (includes StyleSharp, PerformanceSharp and SecuritySharp violations)
 dotnet build ReactiveUI.Validation.slnx -c Release -warnaserror
 
 # Clean the solution
@@ -215,8 +215,10 @@ this.ValidationRule(
 ### Style Enforcement
 
 - EditorConfig rules (`.editorconfig`) - comprehensive C# formatting and naming conventions
-- StyleCop Analyzers - builds fail on violations
-- Roslynator Analyzers - additional code quality rules
+- StyleSharp.Analyzers (SST rules) - style and maintainability; builds fail on violations
+- PerformanceSharp.Analyzers (PSH rules) - performance
+- SecuritySharp.Analyzers (SES rules) - security
+- Rule docs: https://github.com/glennawatson/RoslynCommonAnalyzers/tree/main/docs/rules
 - **All public APIs require XML documentation comments**
 
 ### C# Style Rules