GriefPrevention3D v18.0.6

Wiki: GriefPrevention3D Wiki

Highlights

• Java 8 Bytecode — The plugin now compiles to Java 8 bytecode (class version 52.0), allowing it to load on servers running Java 8. This resolves UnsupportedClassVersionError on 1.8.8 servers that cannot upgrade beyond Java 8.

Java 8 Migration

• Replaced all List.of() / List.of(a) / List.of(a, b, c) with Collections.emptyList() / Collections.singletonList() / Arrays.asList()
• Replaced all Set.of() / Set.of(a) / Set.of(a, b) with Collections.emptySet() / Collections.singleton() / Collections.unmodifiableSet(new HashSet<>(Arrays.asList(...)))
• Replaced all Map.of() / Map.of(k, v) with Collections.emptyMap() / Collections.singletonMap()
• Replaced all Map.copyOf() and List.copyOf() with Collections.unmodifiableMap(new HashMap<>(...)) and Collections.unmodifiableList(new ArrayList<>(...))
• Replaced String.isBlank() with Compat.isBlank() (trim + isEmpty)
• Replaced String.repeat(n) with Compat.repeat() (StringBuilder loop)
• Replaced Files.writeString() and Files.readString() with Files.write() / Files.readAllBytes() + String constructor
• Replaced FileReader(File, Charset) with InputStreamReader(new FileInputStream(file), charset)
• Replaced var with explicit types
• Replaced @Deprecated(since = ...) / @Deprecated(forRemoval = true, ...) with plain @Deprecated
• Created Compat utility class (com.griefprevention.compat.Compat) for isBlank(), repeat()

Compatibility

Category	Support
Minecraft Versions	1.8.8 -> 26.1.x
Minimum Java	Java 8
Bukkit API Target	1.13

Migration

No data migration is required.

Existing claims, configs, and player data remain compatible.