Version Matrix
| Area | 1.20.1 | 1.21.1 |
|---|---|---|
| Source path | /mnt/f/IntelliJ/MyoCertus/Myotus_1_20_1 | /mnt/f/IntelliJ/MyoCertus/MyoCertus_1_21_1 |
| Loader | Forge 47.4.17 | NeoForge 21.1.219 |
| Java | 17 | 21 |
| Minecraft | 1.20.1 | 1.21.1 |
| AE2 | 15.4.10 | 19.2.17 |
| GuideME | 20.1.11 | 21.1.6 |
| Optional AE2WTLib dependency | Not declared in Gradle properties | 19.2.5 |
| Config model | ForgeConfigSpec | ModConfigSpec |
| Config keys | activeTabSorting, openSidePanel | openSidePanel |
| Extra keybind | None | Toggle sub side panel |
| Upgrade card API | No | Yes |
| Publishing setup | Basic mod build | Maven publish + API jar workflow |
High-level guidance
Section titled “High-level guidance”- Choose
1.20.1if you are maintaining a Forge-based AE2 addon for the1.20.1ecosystem. - Choose
1.21.1if you want the newer NeoForge toolchain, the expanded API ergonomics, and terminal upgrade card support. - Read Migration Notes before trying to keep both lines in sync.