Install this version with Unity Hub.
Select the runtime platforms of your choice from the list below (the desktop runtime is included as standard) or, to install the full complement of runtime platforms, use the download assistant installer above.
New to Unity? Get started
Known Issues in 2018.4.28f1
AI: A NavMeshAgent GameObject teleports to a near NavMeshSurface when collided with a moving NavMeshObstacle (1072945)
Audio: Unity crashes in Play Mode at FMOD_Resampler_Linear (928576)
Linux: Focus cannot be properly gained on play mode, making keyboard input switch screens (1109908)
Mobile: [Android] Keyboard doesn't show up when trying to input text in an Input Field with Hide Mobile Input checked on Android 11 (1258071)
Package Manager: Immutable packages altered by the API Updater are reverted to their original state when packages are resolved, which can lead to slower import performance in that context.
Scene Management: Building project when two identical scenes are open crashes the editor (1266194)
Scene/Game View: Logging errors from background thread crashes the Editor when Error Pause is enabled (1173657)
Shadows/Lights: [Regression] Directional light shadow artefacts in 2020.2.0a21 (1271048)
Windows: Cannot activate license within a docker container (1193364)
macOS: If the Android Tools are not installed through the Hub, macOS 10.15 (Catalina) default security settings will prevent the Android NDK binaries being executed. These settings have to be changed or a signed Android NDK (r16b) will be needed to build Android. More information here: https://developer.android.com/ndk/downloads/older_releases.
2018.4.28f1 Release Notes
Asset Bundles: Fixed an edge case with AssetBundle.Contains not returning true for case sensitive paths. (1253270)
Build Pipeline: Fixed regression crash with serialized PropertyName field. (1267271)
GI: Fixed the issue of progressive lightmapper leaks memory upon subsequent scene switches and bakes. (1178584)
Graphics: Fixed an issue with compilation errors for unsupported functions when switching to OpenGLES3. (1203708)
Graphics: Fixed to correctly fall back to CPU skinning on feature level D3D10.x. (1269149)
Licenses: Fixed an issue where Unity installers could display out-of-date terms of service on Windows. (1271930)
Particles: Fixed opaque particle lighting in deferred rendering. (1193339)
Profiler: Fixed issue with continuous clicking not working on the profiler timeline gui scroll bars. (1238871)
Shaders: Fixed HLSLcc doing bad precision downgrading on some cases. (1228687)
Video: Fixed WindowsVideoMedia errors being thrown on standalone builds. (1212382)
XR: Removed Android build step to check compatible APIs when ARCore is enabled.