Coffee GB v1.7.12 is released. Coffee GB is a Gameboy Color emulator written in Java 16 (core) and Kotlin (UI). It's meant to be a development exercise.

Features:
Full support for GB & GBC emulation.
Partial Super Gameboy emulation (borders and palette).
Cycle-exact CPU emulation. Each opcode is split into a few micro-operations (load value from memory, store it to register, etc.) and each micro-operation is run in a separate CPU cycle.
Quite compatible (all the Blargg's tests are passed, although some game still doesn't work)
Rollback-based netplay
MBC1-5 support
Battery saves
Support for zipped ROMs
ROM-based compatibility tests run from Maven

Coffee GB Changelog:
Coffee GB 1.7.12 improves game compatibility, ROM-loading responsiveness, cheat selection, and project documentation.
Fixed cartridge detection and initialization for Xin Shuma Baobei Huang, the Pocket Camera Debug Game Tester, and the Dungeon Warrior prototype.
Made repeated ROM loads responsive with a persistent loading overlay, reliable wait cursor, cancellable preparation, and safe fast-forward boot caching.
Added a persistent System > Bootstrap choice for Skip, Fast-forward, or Full, defaulting to Skip.
Made the original cheat database list multi-select so one click toggles a row and OK applies every selected cheat.
Documented Coffee GB's passing compatibility matrix and maximum GBEmulatorShootout score.
Exposed repository-maintained skills to Codex and corrected a missing cartridge-type enum separator.
Merged pull requests
#292 Expose repository skills to Codex — @trekawek
#293 Fix Xin Shuma Baobei Huang mapper detection — @trekawek
#294 Fix Pocket Camera debug tester mapper detection — @trekawek
#295 Allow toggling multiple cheats in the database list — @trekawek
#296 Fix Dungeon Warrior renderer initialization — @trekawek
#297 Make repeated ROM loads responsive — @trekawek
#300 Emphasize compatibility results in README — @trekawek
Fixed issues
#161 CTRL+L or Load Game doesn't work sometimes
#257 Select and apply multiple cheat codes
#258 Xin Shuma Baobei Huang fails to load
#261 Pocket Camera Debug Game Tester bugs
#282 Dungeon Warrior prototype gameplay graphics glitches

Download: Coffee GB v1.7.12
Source: Here