想做遊戲但不知從哪開始，Unity能幫你什麼

What's new in this version:

Fixed:
- 2D: Fixed math expression evaluated prematurely in Sprite Frame module's integer fields
- AI: Fixed editor crash happening when retrieving the names of NavMesh agent configurations from a corrupt NavMeshAreas.asset file
- Android: Fixed GrabPass when Blit Type is Auto
- Animation: Fixed a bug where the additive scaling would have unexpected behavior if the referenced clip did not contain that scaling property
- Animation: Fixed a memory corruption that would trigger when destroying a playable in PrepareFrame
- Animation: Fixed a padding issue with the new northstar theme for the transition list in the state machine inspector
- Animation: Fixed flicker of whole animator transition inspector window when resizing it
- Asset Import: Fixed invalid/incompatible PSD that would crash FreeImage and the Editor
- Asset Import: Fixed TextureImporter Presets to correctly save their per-platform settings when modified
- Asset Import: Fixed to ensure TextureImporter per-platform settings are correctly applied when applying a Preset or using the Reset option in the TextureImporter context menu
- Build Pipeline: Fixed an edge case where Textures attempt to load data from an invalid path during the build
- DX12: Fixed Standalone applications freezing sometimes when ray tracing effects are used in HDRP
- Editor: Fixed a crash if importing an additional SceneVisibilityState.asset into the project
- Editor: Fixed automatic "Busy" dialog in Windows Editor to no longer shows up while Unity is in play mode
- Editor: Fixed possible Mac editor crash if it was trying to display a progress bar with a long text string, that got trimmed at an unfortunate length to result in invalid UTF8 sequence
- Editor: Fixed to avoid callback to IExternalScriptEditor.Initialize
- GI: Fixed a crash in Radeon::AnalyzeImageLuminance after toggling baked object state while baking GI on GPU with Radeon denoiser
- GI: Fixed issue where a NullReferenceException is thrown after creating the new scene when the Light Explorer window is opened
- Graphics: Added an option to delay acquiring the swapchain buffer until after rendering in Vulkan
- Graphics: Fixed a bug where Cubemap.CreateExternalTexture was not correctly marking the native texture as cubemap during SRV creation
- Graphics: Fixed a casting issue when assigning int to bool w
- Graphics: Fixed color writes to work during a shadow pass when a color attachment is present
- Graphics: Fixed issue with packed miptails on D3D11/12 tiled resources
- Graphics: Fixed memory regression during building where VT was loading textures without unloading them
- Graphics: Fixed SRP Batcher to be better per shader sort during shadow pass
- IMGUI: Fixed the popup clickable area issue in MinMaxGradient with EditorGUI.indent level greater than 0
- License: Fixed an issue where Unity installers could display out-of-date terms of service
- License: Fixed to drain leftover messages from licensing IPC after timeout
- Linux: Fixed keypad period to associate with the correct keycode
- macOS: Fixed mouse position in fullscreen when black bars are present
- Package Manager: Fixed the issue where the version numbers in Package Manager UI and Asset Store do not match for certain packages
- Particles: Fixed a crash caused by changing the duration in the editor during playmode
- Particles: Fixed the Stop Action setting to consider children and sub-emitters before triggering its event
- Prefabs: Fixed an issue where a parent prefab might fail to correctly override changes to its nested children
- Prefabs: Fixed crash when using the logging functionality before instantiating prefabs in an enumerator
- Profiler: Fixed an issue in the Profiler window whereby the splitter separating charts and the details pane could not be adjusted on monitors with a scaling factor set
- Profiler: Reduced Profiler Window overhead on main thread
- PS4: Fixed issue where default project settings caused an error in PS4
- PS4: Fixed issue where Engine hangs at startup with certain VT cache sizes
- PS4: Fixed texture corruption with VT on certain texture formats
- Scripting Upgrade: Fixed to avoid checking VCS if only the files outside /assets folder need updating
- Shaders: Added missing AssetImportContext arg to CreateShaderAsset/UpdateShaderAsset API
- Shaders: Fixed HLSLcc doing bad precision downgrading on some cases
- Terrain: Fixed incorrect error message "A tree couldn't be loaded because the prefab is missing" printed during asset importing
- Terrain: Fixed instanced terrain rendering when the player is built with -nographics command line argument
- Terrain: Fixed issue where tree colliders are not rotated according to their mesh when random rotation is applied
- Terrain: Fixed that 'Control Texture Resolution' and 'Base Texture Resolution' were not saved
- XR: Fixed issue where GetStereoViewMatrix and GetStereoProjectionMatrix return the same value in both eyes in Multi Pass mode
- XR: Reduced unnecessary Vulkan backbuffer allocations

API Changes:
- iOS: Added: Added a public accessor for the legacy Game Center player ID, to give games an easier pathway to migrate to the new ID types in iOS 12.4

Changes:
- XR: Update verified packages for AR Foundation and related packages.

Improvements:
- 2D: Update 2D template to use current verified version of 2D packages