Release notes for 678

Textures displaying EditableImages now switch to low resolution when the system is low on memory, with no changes to the actual image data.

Adds a Direction3D enum option for use with InputAction.Type.

In the New Luau Type Solver, autocomplete now suggests individual string literal keys for table index expressions when appropriate.

Updates the Script Capability system to extend availability of instances under existing capabilities. See the DevForum announcement for specifics.

In the New Luau Type Solver, improves error messages for table literals in assignments while still allowing imperative table updates.

Next Gen Explorer beta: the true option will now auto-sort to the top when doing searches like anchored=t.

Extends type checker in the New Type Solver to check associated generics of function types.

Fixes occasional crashes on macOS when a user unplugs a game controller.

Various fixes: A) Fixes a bug where certain meshes could be stuck in Default or Box collision fidelity; B) Fixes a bug where an initial size of 0, 0, 0 could force a mesh to have a large ExtentsSize; C) Optimizes setting MeshPart.Size and TriangleMeshPart.Size.

New Explorer - Adds back Team Create selection indicators.

New Explorer - Now returns temporary script settings.

Fixes a visual issue with the default TextChatService UI that would sometimes flash a grey square on startup.

New Explorer - Fixes an error where you could rename an object even if it was deleted before you clicked it in the Explorer window.

New Explorer - Fixes several cases where context menu items could disappear.

Fixes an issue in which the "You've made script changes while playing " dialog keeps reappearing even after dismissed with no new script changes.

The Save Place dialog now always displays on top when closing a place where the Add Tools window is open.