Add changelog and build workflow

Author: codefl0w

.github/workflows/build.yml

@@ -0,0 +1,67 @@
+name: Build QuickADB
+
+on:
+  workflow_dispatch:
+  push:
+    tags:
+      - 'v*'
+
+permissions:
+  contents: write
+
+jobs:
+  build:
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - os: windows-latest
+            artifact_name: QuickADB-Windows
+            artifact_path: dist/QuickADB.exe
+          - os: ubuntu-22.04
+            artifact_name: QuickADB-Linux
+            artifact_path: QuickADB-x86_64.AppImage
+          - os: macos-latest
+            artifact_name: QuickADB-macOS
+            artifact_path: dist/QuickADB
+
+    runs-on: ${{ matrix.os }}
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.12'
+
+      - name: Install dependencies
+        run: pip install -r requirements.txt
+
+      - name: Build executable
+        run: python build.py
+
+      - name: Upload artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: ${{ matrix.artifact_name }}
+          path: ${{ matrix.artifact_path }}
+          if-no-files-found: error
+
+  release:
+    needs: build
+    if: startsWith(github.ref, 'refs/tags/v')
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Download all artifacts
+        uses: actions/download-artifact@v4
+        with:
+          path: artifacts
+
+      - name: Create GitHub Release
+        uses: softprops/action-gh-release@v2
+        with:
+          files: artifacts/**/*
+          generate_release_notes: true

CHANGELOG.md

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+# Changelog (Starting from V4)
+The changelog only includes what's new. To read feature descriptions, see [Features](https://github.com/codefl0w/QuickADB?tab=readme-ov-file#features).
+
+For the old changelog, see [README_OLD](https://github.com/codefl0w/QuickADB/blob/main/README_OLD.md).
+
+
+
+# [4.0.0] - 10.03.2026
+
+### Added
+- Theme Manager
+- Boot Animation Creator
+- File Explorer
+- Custom terminal
+- Partition Manager
+
+### Changed
+- Rebuilt application using PyQt6
+- Debloater renamed and expanded into App Manager
+- Replaced lpunpack with unsuper for faster super.img extraction
+- Removed OS-specific code enabling Linux and macOS builds
+
+### Improved
+- Multithreading performance
+- GSI flasher
+- super.img dumper
+- payload.bin dumper
+- device specification detection
+- version update detection
+- logging system
+
+### Removed
+- Driver installers
+- Magisk downloader
+- Inactive Magisk Root button (planned for V5)
+
+
+
+
+
+
+