chore(release): bump version to v0.8.0 - Rust 2024 Edition

This release modernizes the RustyNES codebase with Rust 2024 Edition
and updates all dependencies to their latest stable versions.

## Version Updates
- Workspace version: 0.7.1 -> 0.8.0
- MSRV: 1.85 -> 1.88 (Rust 2024 Edition)

## Dependency Modernization
- eframe: 0.29 -> 0.33
- egui: 0.29 -> 0.33
- cpal: 0.15 -> 0.16
- rubato: NEW (0.16) - high-quality audio resampling
- ron: 0.8 -> 0.12
- thiserror: 1.0 -> 2.0
- clap: 4.4 -> 4.5
- rfd: 0.14 -> 0.15
- gilrs: 0.10 -> 0.11

## Documentation Updates
- Updated CHANGELOG.md with v0.8.0 release notes
- Updated README.md with current project state
- Updated ROADMAP.md with M9-S0 completion status
- Updated CLAUDE.md with version references
- Updated milestone TODOs for post-v0.8.0 planning

## Test Status
- 508+ tests passing (0 failures, 0 ignored)
- 100% Blargg pass rate (90/90 ROMs)
- All clippy lints clean

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: doublegate

CHANGELOG.md

@@ -11,6 +11,118 @@ No unreleased changes.
 
 ---
 
+## [0.8.0] - 2025-12-28 - Rust 2024 Edition & Dependency Modernization
+
+**Status**: Phase 1.5 Stabilization - M9 Sprint 0 Complete (Dependency Upgrade)
+
+This release completes comprehensive dependency modernization for RustyNES, adopting Rust 2024 Edition and upgrading all major dependencies to their latest stable versions for improved performance, maintainability, and long-term support.
+
+### Highlights
+
+- **Rust 2024 Edition:** Adopted latest Rust language features with MSRV 1.88
+- **eframe 0.33 + egui 0.33:** Latest immediate mode GUI framework
+- **cpal 0.16:** Audio device improvements and better cross-platform support
+- **rubato 0.16:** High-quality audio resampling for flexible sample rate support
+- **ron 0.12:** Configuration format improvements
+- **thiserror 2.0:** Error handling modernization
+- **Performance:** Inline hints on critical paths, buffer reuse patterns
+- **Test Suite:** 508+ tests passing (0 failures, 0 ignored)
+
+### Added
+
+- **Audio Resampling:** rubato 0.16 integration for high-quality sample rate conversion
+  - Flexible output sample rate support
+  - Improved audio quality on non-standard hardware
+  - Better cross-platform audio compatibility
+
+### Changed
+
+#### Rust 2024 Edition
+
+- Upgraded from Rust 2021 to Rust 2024 Edition across all crates
+- MSRV updated from 1.75 to 1.88
+- Updated all Cargo.toml files with new edition and rust-version
+
+#### Dependency Upgrades
+
+| Component | Previous | New | Notes |
+|-----------|----------|-----|-------|
+| eframe | 0.29 | 0.33 | Latest egui integration, improved rendering |
+| egui | 0.29 | 0.33 | Better widget system, performance improvements |
+| cpal | 0.15 | 0.16 | Audio device improvements |
+| ron | 0.8 | 0.12 | Configuration format improvements |
+| thiserror | 1.x | 2.0 | Error handling modernization |
+| bitflags | 2.4 | 2.10 | Latest bitflags features |
+| rubato | - | 0.16 | NEW: High-quality audio resampling |
+
+#### Performance Optimizations
+
+- Added `#[inline]` hints on critical audio and rendering paths
+- Implemented buffer reuse patterns for reduced allocations
+- PPU edge case handling improvements
+- Optimized frame timing accumulator logic
+
+### Technical Specifications
+
+**Build Environment:**
+
+- Rust Edition: 2024
+- MSRV: 1.88
+- Workspace Crates: 6 (core, cpu, ppu, apu, mappers, desktop)
+- Zero unsafe code policy maintained
+
+**Test Results:**
+
+- Total tests: 508+ passing
+- Failures: 0
+- Ignored: 0
+- Blargg pass rate: 100% (90/90 tests)
+
+**Dependencies Updated:**
+
+| Crate | Version | Category |
+|-------|---------|----------|
+| eframe | 0.33 | GUI Framework |
+| egui | 0.33 | Immediate Mode UI |
+| cpal | 0.16 | Audio Output |
+| rubato | 0.16 | Audio Resampling |
+| ron | 0.12 | Configuration |
+| thiserror | 2.0 | Error Handling |
+| bitflags | 2.10 | Bit Manipulation |
+| clap | 4.5 | CLI Parsing |
+| directories | 5.0 | Platform Paths |
+
+### Quality Metrics
+
+- cargo clippy: PASSING (zero warnings)
+- cargo fmt: PASSING
+- cargo test: 508+ tests passing
+- cargo build --release: SUCCESS
+- Zero unsafe code maintained
+
+### Documentation Updates
+
+- Updated CLAUDE.md with v0.8.0 version references and dependency versions
+- Updated README.md with Rust 1.88 MSRV and v0.8.0 release information
+- Updated GUI About dialog version string to 0.8.0
+- Updated ROADMAP.md with M9-S0 completion status
+
+### Migration Notes
+
+**For Users:**
+
+- No breaking changes to user-facing functionality
+- Configuration files remain compatible
+- All existing ROMs and save states continue to work
+
+**For Developers:**
+
+- Rust 1.88+ required for building
+- Update rustup: `rustup update`
+- Clean rebuild recommended: `cargo clean && cargo build --release`
+
+---
+
 ## [0.7.1] - 2025-12-27 - Desktop GUI Framework Migration
 
 **Status**: Phase 1.5 Stabilization - GUI Reimplementation Complete

CLAUDE.md

@@ -6,19 +6,28 @@ This file provides guidance to Claude Code (claude.ai/code) when working with co
 
 RustyNES is a next-generation Nintendo Entertainment System (NES) emulator written in Rust. Target: 100% TASVideos accuracy test pass rate, 300+ mappers, RetroAchievements, GGPO netplay, TAS tools, Lua scripting.
 
-**Status:** v0.7.1 - Phase 1.5 Stabilization In Progress (M7-M8 Complete). All Phase 1 milestones (M1-M6) done.
+**Status:** v0.8.0 - Phase 1.5 Stabilization In Progress (M7-M8 Complete, M9-M10 Planned). All Phase 1 milestones (M1-M6) done.
 
-**Test Status:** 500+ tests passing (0 failures, 0 ignored). 100% Blargg pass rate (90/90 tests)
+**Test Status:** 508+ tests passing (0 failures, 0 ignored). 100% Blargg pass rate (90/90 tests)
 
-**Current Version:** v0.7.1 (December 27, 2025)
-- Desktop GUI framework migration: Iced+wgpu to eframe+egui
-- eframe 0.29 + egui 0.29 immediate mode GUI
+**Current Version:** v0.8.0 (December 28, 2025)
+- Rust 2024 Edition adoption (MSRV 1.88)
+- Comprehensive dependency modernization
+- eframe 0.33 + egui 0.33 immediate mode GUI
 - OpenGL rendering via glow backend (replacing wgpu shader pipeline)
-- cpal 0.15 for low-latency audio with lock-free ring buffer (8192 samples)
+- cpal 0.16 for low-latency audio with lock-free ring buffer (8192 samples)
+- Audio resampling via rubato 0.16 for flexible sample rate support
 - Native file dialogs with rfd 0.15
 - Gamepad support with gilrs 0.11 (hotplug detection)
-- Configuration persistence with ron 0.8 format
+- Configuration persistence with ron 0.12 format
 - Debug windows: CPU, PPU, APU, Memory viewers
+- Performance optimizations: inline hints, buffer reuse patterns
+
+**Previous Version:** v0.7.1 (December 27, 2025)
+- Desktop GUI framework migration: Iced+wgpu to eframe+egui
+- eframe 0.29 + egui 0.29 immediate mode GUI
+- cpal 0.15 for low-latency audio
+- Configuration persistence with ron 0.8 format
 
 **Previous Version:** v0.6.0 (December 20, 2025)
 - M7: Accuracy Improvements complete (all 4 sprints)
@@ -194,12 +203,13 @@ Cloned emulators for study and pattern reference:
 
 ## Key Dependencies
 
-- **Graphics**: `eframe` 0.29 (egui + window + OpenGL via glow)
-- **GUI**: `egui` 0.29 (immediate mode GUI)
-- **Audio**: `cpal` 0.15 (cross-platform audio I/O with lock-free ring buffer)
+- **Graphics**: `eframe` 0.33 (egui + window + OpenGL via glow)
+- **GUI**: `egui` 0.33 (immediate mode GUI)
+- **Audio**: `cpal` 0.16 (cross-platform audio I/O with lock-free ring buffer)
+- **Resampling**: `rubato` 0.16 (high-quality audio resampling)
 - **Input**: `gilrs` 0.11 (gamepad support with hotplug detection)
 - **File Dialogs**: `rfd` 0.15 (native cross-platform file dialogs)
-- **Configuration**: `ron` 0.8 (Rust Object Notation), `directories` 5.0 (platform paths)
+- **Configuration**: `ron` 0.12 (Rust Object Notation), `directories` 5.0 (platform paths)
 - **CLI**: `clap` 4.5 (argument parsing)
 - **Netplay**: `backroll` (GGPO rollback) - planned for Phase 2
 - **Scripting**: `mlua` (Lua 5.4) - planned for Phase 2
@@ -209,8 +219,9 @@ Cloned emulators for study and pattern reference:
 
 ## Architectural Decisions
 
-### GUI Framework: eframe + egui (v0.7.1+)
+### GUI Framework: eframe + egui (v0.7.1+, upgraded v0.8.0)
 - **Changed from**: Iced+wgpu (v0.5.0-v0.6.0)
+- **Current**: eframe 0.33 + egui 0.33 (as of v0.8.0)
 - **Rationale**: Immediate mode GUI ideal for debug windows, simpler event loop, better game loop integration, integrated window management
 - **Implementation**: eframe provides window + egui + OpenGL rendering; egui for menus/debug windows
 
@@ -222,10 +233,11 @@ Cloned emulators for study and pattern reference:
 - **Rationale**: Direct integration with egui, efficient texture updates via OpenGL
 - **Implementation**: 256x240 RGBA buffer with nearest-neighbor scaling via egui::Image
 
-### Audio Backend: cpal 0.15
+### Audio Backend: cpal 0.16 (upgraded v0.8.0)
 - **Chosen over**: SDL2, rodio
 - **Rationale**: Cross-platform, low-latency, direct device access, no runtime dependencies
 - **Implementation**: Lock-free ring buffer (8192 samples) with atomic operations
+- **Resampling**: rubato 0.16 for high-quality sample rate conversion
 
 ### Configuration: RON Format
 - **Chosen over**: TOML, JSON
@@ -262,16 +274,43 @@ Cloned emulators for study and pattern reference:
 | **M7: Accuracy** | ✅ v0.6.0 | CPU/PPU/APU timing, OAM DMA precision, hardware mixer |
 | **M8: Test ROMs** | ✅ v0.7.0 | 100% Blargg pass rate (90/90 tests) |
 | **GUI Migration** | ✅ v0.7.1 | eframe + egui desktop reimplementation |
+| **Dependency Upgrade** | ✅ v0.8.0 | Rust 2024, eframe 0.33, egui 0.33, cpal 0.16, ron 0.12 |
 | **M9-10: Phase 1.5** | 🔄 PLANNED | Known issues resolution, polish, documentation |
 | **Phase 2+** | 📋 TBD | Advanced features |
 
-## Recent Accomplishments (v0.7.1 - Dec 27, 2025)
+## Recent Accomplishments (v0.8.0 - Dec 28, 2025)
+
+### Comprehensive Dependency Modernization
+
+Complete modernization of the technology stack for long-term maintainability:
+
+#### Rust 2024 Edition & MSRV 1.88
+- Adopted Rust 2024 Edition with latest language features
+- MSRV set to Rust 1.88 for latest stable compiler support
+- Updated all workspace and crate configurations
+
+#### Dependency Upgrades
+- **eframe** 0.33 (from 0.29): Latest egui integration
+- **egui** 0.33 (from 0.29): Improved widget system
+- **cpal** 0.16 (from 0.15): Audio device improvements
+- **rubato** 0.16: High-quality audio resampling
+- **ron** 0.12 (from 0.8): Configuration format improvements
+- **thiserror** 2.0: Error handling modernization
+
+#### Performance Optimizations
+- Added `#[inline]` hints on critical audio/rendering paths
+- Buffer reuse patterns for reduced allocations
+- PPU edge case handling improvements
+
+---
+
+## Previous Accomplishments (v0.7.1 - Dec 27, 2025)
 
 ### Desktop GUI Framework Migration
 
 Complete rewrite of the desktop frontend from Iced+wgpu to eframe+egui:
 
-#### New Architecture
+#### Architecture
 - **eframe** 0.29 for window management + OpenGL rendering via glow
 - **egui** 0.29 immediate mode GUI for menus and debug windows
 - **cpal** 0.15 for low-latency audio with lock-free ring buffer
@@ -405,8 +444,8 @@ pub trait Mapper: Send {
 
 ### Rust Conventions
 
-- **Edition**: Rust 2021
-- **MSRV**: 1.75+ (for async traits in std)
+- **Edition**: Rust 2024
+- **MSRV**: 1.88 (for Rust 2024 Edition support)
 - **Format**: `rustfmt` with default settings
 - **Lints**: `clippy::pedantic` + `-D warnings`
 - **Unsafe**: Only permitted in FFI (rcheevos) and platform-specific audio; must be documented

Cargo.toml

@@ -15,7 +15,7 @@ members = [
 ]
 
 [workspace.package]
-version = "0.7.1"
+version = "0.8.0"
 edition = "2024"
 rust-version = "1.88"
 authors = ["doublegate"]

README.md

@@ -8,7 +8,7 @@
 
 [![Build Status](https://github.com/doublegate/RustyNES/workflows/CI/badge.svg)](https://github.com/doublegate/RustyNES/actions)
 [![License](https://img.shields.io/badge/license-MIT%2FApache--2.0-blue.svg)](LICENSE-MIT)
-[![Rust](https://img.shields.io/badge/rust-1.75%2B-orange.svg)](https://www.rust-lang.org/)
+[![Rust](https://img.shields.io/badge/rust-1.88%2B-orange.svg)](https://www.rust-lang.org/)
 [![Platform](https://img.shields.io/badge/platform-Windows%20%7C%20Linux%20%7C%20macOS-lightgrey.svg)](#platform-support)
 [![Documentation](https://img.shields.io/badge/docs-latest-blue.svg)](https://doublegate.github.io/RustyNES/)
 [![codecov](https://codecov.io/gh/doublegate/RustyNES/branch/main/graph/badge.svg)](https://codecov.io/gh/doublegate/RustyNES)
@@ -28,7 +28,7 @@ A next-generation NES emulator written in pure Rust — targeting 100% accuracy,
 
 ---
 
-> **Status:** v0.7.1 Released - Desktop GUI Framework Migration Complete
+> **Status:** v0.8.0 Released - Rust 2024 Edition & Dependency Modernization Complete
 >
 > **Milestones Completed:**
 >
@@ -40,12 +40,13 @@ A next-generation NES emulator written in pure Rust — targeting 100% accuracy,
 > - ✅ **M6: Desktop GUI** - Cross-platform eframe/egui application with ROM loading, audio playback, and full input support
 > - ✅ **M7: Accuracy** - CPU/PPU/APU timing refinements, OAM DMA 513/514 cycle precision, hardware-accurate mixer
 > - ✅ **M8: Test ROMs** - 100% Pass Rate on all integrated test suites (CPU, PPU, APU, Mappers)
+> - ✅ **M9-S0: Dependencies** - Rust 2024 Edition, eframe 0.33, egui 0.33, cpal 0.16, ron 0.12
 >
-> **Test Suite:** 500+ tests passing (0 failures, 0 ignored)
+> **Test Suite:** 508+ tests passing (0 failures, 0 ignored)
 >
-> **Current:** Phase 2 (Features) - Beginning development of RetroAchievements, Netplay, and TAS Tools
+> **Current:** Phase 1.5 (Stabilization) - M9-M10: Known Issues & Final Polish
 >
-> **Next:** M11: RetroAchievements
+> **Next:** M9-S1: UI/UX Improvements, M9-S2: Documentation Updates
 >
 > See [ROADMAP.md](ROADMAP.md) and [to-dos/](to-dos/) for development timeline.
 
@@ -87,24 +88,24 @@ RustyNES combines **accuracy-first emulation** with **modern features** and the
 
 ## Quick Start
 
-### Recent Release: v0.7.1 (December 27, 2025)
+### Recent Release: v0.8.0 (December 28, 2025)
 
-RustyNES v0.7.1 completes the desktop GUI framework migration from Iced+wgpu to eframe+egui:
+RustyNES v0.8.0 completes comprehensive dependency modernization and adopts Rust 2024 Edition:
 
-**What's New in v0.7.1:**
+**What's New in v0.8.0:**
 
-- **GUI Framework Migration:** Complete rewrite from Iced 0.13 to eframe 0.29/egui 0.29
-- **Immediate Mode GUI:** egui provides simpler, more maintainable UI code
-- **Debug Windows:** CPU, PPU, APU, and Memory viewer windows using egui
-- **Simplified Audio:** Lock-free ring buffer (8192 samples) with cpal
-- **Gamepad Support:** gilrs integration with hotplug detection
-- **Configuration:** RON format with platform-specific paths
-- **Native Dialogs:** rfd for cross-platform file dialogs
+- **Rust 2024 Edition:** Latest Rust language features and improvements (MSRV 1.88)
+- **eframe 0.33 + egui 0.33:** Latest immediate mode GUI with improved widget system
+- **cpal 0.16:** Audio device improvements and better cross-platform support
+- **rubato 0.16:** High-quality audio resampling for flexible sample rate support
+- **ron 0.12:** Configuration format improvements
+- **thiserror 2.0:** Error handling modernization
+- **Performance:** Inline hints on critical paths, buffer reuse patterns
 
 **Previous Releases:**
 
+- **v0.7.1** - GUI Framework Migration: eframe 0.29/egui 0.29, immediate mode GUI, debug windows
 - **v0.7.0** - Milestone 8: 100% Blargg test pass rate, cycle-accurate CPU tick(), PPU open bus, CHR-RAM routing
-
 - **v0.6.0** - Milestone 7: APU frame counter precision, hardware-accurate mixer, OAM DMA 513/514 cycles
 - **v0.5.0** - Phase 1 MVP: Desktop GUI (Iced + wgpu), audio playback, ROM loading
 - **v0.4.0** - Complete rustynes-core integration layer (Bus, Console, Input, Save States)
@@ -122,7 +123,7 @@ Pre-built binaries are available on the [Releases page](https://github.com/doubl
 
 **Prerequisites:**
 
-- **Rust 1.75 or newer** — Install via [rustup.rs](https://rustup.rs)
+- **Rust 1.88 or newer** — Install via [rustup.rs](https://rustup.rs)
 - **SDL2 development libraries** — Platform-specific installation below
 - **Git**
 
@@ -143,7 +144,7 @@ cargo build --workspace --release
 
 cargo test --workspace
 
-# Results: 500 tests passing, 0 failures, 0 ignored
+# Results: 508+ tests passing, 0 failures, 0 ignored
 
 # Run the desktop GUI (requires ROM file)
 cargo run -p rustynes-desktop --release -- path/to/game.nes
@@ -187,7 +188,7 @@ RustyNES demonstrates world-class emulation accuracy:
 
 cargo test --workspace
 
-# Total: 500 tests passing, 0 ignored - 267 CPU + 90 PPU + 150 APU + 167 Mappers + 23 Core + Blargg integration tests
+# Total: 508+ tests passing, 0 ignored - 267 CPU + 90 PPU + 150 APU + 167 Mappers + 23 Core + Blargg integration tests
 
 # Run specific crate tests
 
@@ -301,7 +302,7 @@ Controls will be fully configurable through the configuration system.
 
 ## Features
 
-### Current Status (v0.7.1 - December 2025)
+### Current Status (v0.8.0 - December 2025)
 
 - [x] **Architecture Design** - Complete modular crate structure with 10 component crates
 - [x] **Documentation** - 40+ comprehensive specification and implementation guides covering CPU, PPU, APU, mappers, testing, and development
@@ -419,7 +420,7 @@ Frame Timing:
 
 **Current Progress:** 100% Phase 1 MVP Complete (M1-M6)
 
-**Test Results (v0.6.0):**
+**Test Results (v0.8.0):**
 
 - **CPU**: All 256 opcodes verified with ±1 cycle accuracy
   - nestest.nes golden log match (5003+ instructions verified)
@@ -852,9 +853,9 @@ If you use RustyNES in academic research, please cite:
   author = {RustyNES Contributors},
   title = {RustyNES: A Next-Generation NES Emulator in Rust},
   year = {2025},
-  version = {0.7.1},
+  version = {0.8.0},
   url = {https://github.com/doublegate/RustyNES},
-  note = {Cycle-accurate NES emulator with 100\% Blargg test pass rate, eframe/egui desktop GUI, and hardware-accurate emulation}
+  note = {Cycle-accurate NES emulator with 100\% Blargg test pass rate, Rust 2024 Edition, eframe/egui desktop GUI, and hardware-accurate emulation}
 }
 ```