Version 4.0

[fxm90]

Summary

Major version 4.0.0 release - Complete rewrite of GradientProgressBar using modern Swift features and tooling.

Key changes

• Rewrote the library with Swift 6.2 using the Observation framework, replacing the previous Combine-based implementation
• Bumped minimum iOS version to iOS 26.0 to leverage latest platform capabilities
• Migrated to Swift Package Manager only - dropped CocoaPods and Carthage support following https://blog.cocoapods.org/CocoaPods-Specs-Repo/
• Restructured project to follow SPM conventions (Sources/ and Tests/ directories)
• Completely rebuilt the example application as a modern SwiftUI app with UIKit integration examples
• Simplified CI pipeline using a Makefile-based approach instead of Fastlane/bundler

Changes

Breaking Changes

• Minimum iOS version increased from 13.0 to 26.0
• CocoaPods and Carthage are no longer supported - use Swift Package Manager
• Internal architecture rewritten (public API remains largely compatible)

New Features

• Modern SwiftUI example views alongside UIKit examples
• Added Makefile for standardized development commands (make format, make lint, make test)
• Added project-level .swiftformat and .swiftlint.yml configuration

Improvements

• Simplified CI workflow with dedicated jobs for linting, testing, and building
• Cleaner project structure with ~9,400 lines of legacy/vendored code removed
• Updated all snapshot tests with new reference images
• New documentation with updated installation instructions and usage examples

[codecov-commenter]

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Codecov Report

❌ Patch coverage is 96.12403% with 15 lines in your changes missing coverage. Please review.
✅ Project coverage is 96.12%. Comparing base (19871af) to head (0dd0cf9).
⚠️ Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
...rces/GradientProgressBar/GradientProgressBar.swift	78.57%	15 Missing ⚠️
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Additional details and impacted files

@@            Coverage Diff            @@
##           main      #22       +/-   ##
=========================================
+ Coverage      0   96.12%   +96.12%     
=========================================
  Files         0        7        +7     
  Lines         0      387      +387     
=========================================
+ Hits          0      372      +372     
- Misses        0       15       +15     

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