diff --git a/Build/Changes.txt b/Build/Changes.txt
index 7a7b8b06b..262687a72 100644
--- a/Build/Changes.txt
+++ b/Build/Changes.txt
@@ -35,7 +35,7 @@ UCH - (UCH)ARDET is an Encoding Detector Library
 
 
 ========================================================
-Current BETA Version 6.26.305.(build_#) (2026-03-05)
+Current BETA Version 6.26.3µµ.(build_#) (2026-03-µµ)
 ========================================================
 
 --------------------------------------------------------
@@ -55,6 +55,8 @@ NEW:
 CHANGES:
 --------------------------------------------------------
 [.xxx.x]-
+[.3µµ.1]- Chore: add timsort (repl. qsort) scintilla care (iface check) scintill-call-wrapper update.
+[.3µµ.1]- Major version 6 → 7 for Win10 minimum.
 [.305.1]- Feat: enhancement of MMB auto-scroll.
 [.305.1]- Update UCHARDET encoding detector (UCH).
 [.303.1]- Refactor: replace regex engines: Oniguruma (retired) by PCRE2 v10.47 (ONI->PCR).
@@ -76,6 +78,9 @@ CHANGES:
 FIXES:
 --------------------------------------------------------
 [.xxx.x]-
+[.3µµ.1]- Handling if file's parent dir is deleted..
+[.3µµ.1]- PCRE2 interface - bug matching line-end ($) (PRC).
+[.3µµ.1]- About dialog and version patching script.
 [.305.1]- UFT-8 affinity for uchardet uncertainty (lower than 66%) (UCH).
 [.305.1]- Refactoring from GetOpenFileName() to IFileOpenDialog().
 [.303.1]- Revert: Regression, revert to special Text (.txt) font.
@@ -107,6 +112,7 @@ FIXES:
 --------------------------------------------------------
 REMOVED:
 [.xxx.x]-
+[.3µµ.1]- Refactor: remove deprecated Win7 compatibility and UTF-32 detection.
 [.303.1]- Remove retired Oniguruma regex Engine (ONI).
 [.227.1]- Remove obsolete AppVeyor CI build.
 --------------------------------------------------------
diff --git a/Build/rNotepad3.ini b/Build/rNotepad3.ini
deleted file mode 100644
index 9f5be05d4..000000000
--- a/Build/rNotepad3.ini
+++ /dev/null
@@ -1,4 +0,0 @@
-[Notepad3]
-Notepad3.ini=%USERPROFILE%\Notepad3\Notepad3.ini
-[Settings2]
-DefaultDirectory=%CSIDL:MYDOCUMENTS%
diff --git a/src/Version.h b/src/Version.h
index 821f596b2..f0b5145b7 100644
--- a/src/Version.h
+++ b/src/Version.h
@@ -86,7 +86,11 @@ inline LPCWSTR _Win10BuildToReleaseId(const DWORD build)
 
     if (build >= 22000) { // Win11
 
-        if (build >= 26200)
+        if (build >= 28000)
+        {
+            lpcReleaseID = L"26H1";
+        }
+        else if (build >= 26200)
         {
             lpcReleaseID = L"25H2";
         }