/godot-version-migration

Migration notes: godot-adapt-single-to-multiplayer

Incremental upgrade for topics this skill covers. Apply one hop, stabilize/test, then next. Never skip hops.

If the project is < 4.0, follow godot-version-migration era bridges (legacy → 3→4) until 4.0, then these hops. Official 3→4: Upgrading from Godot 3 to Godot 4.

4.0 → 4.1

Official: Upgrading to Godot 4.1

• WebRTCPeerConnectionExtension._create_data_channel return type is WebRTCDataChannel.

4.1 → 4.2

Official: Upgrading to Godot 4.2

No skill-relevant breaking changes for this hop.

4.2 → 4.3

Official: Upgrading to Godot 4.3

• SceneMultiplayer caching protocol incompatible across versions — upgrade server and clients together; add version checks.

4.3 → 4.4

Official: Upgrading to Godot 4.4

No skill-relevant breaking changes for this hop.

4.4 → 4.5

Official: Upgrading to Godot 4.5

• Node.get_rpc_config → get_node_rpc_config.
• Resource deep-duplicate and UID export-file changes affect inventory/quest/economy Resource graphs.

4.5 → 4.6

Official: Upgrading to Godot 4.6

• StreamPeerTCP disconnect/status/poll moved to StreamPeerSocket; TCPServer listen helpers → SocketServer.

4.6 → 4.7

Official: Upgrading to Godot 4.7

• Re-validate Resource pipelines after packed-array setter and typed-return GDScript changes.