Engine Bugs

Topic	Replies	Views	Activity
About the Engine Bugs category	0	30674	October 25, 2015
Graphics don't render properly bug , lighting-and-shadows-bug	7	104	September 4, 2025
Random lag-spikes from ExperienceChatMain CoreScript? bug , other-bug	17	2342	September 4, 2025
Nil Value in SettingsHub:2602 bug , ui-and-user-input-bug	1	56	September 4, 2025
Lightning, Shadows and Materials at max graphics look like graphics level set to 1. Both in game or in studio bug , lighting-and-shadows-bug	4	69	September 4, 2025
Temporary Frame Freezing in Consistent Two-Time Sequence Whenever a Script Destroys Itself - Even with the Simplest Scripts bug , other-bug	1	57	September 4, 2025
Refreshing of character causes memory leak under instances in place memory bug , avatar-bug	2	90	September 4, 2025
Changing Display DPI on one of your monitors seem to break/move the second monitor UI click detection boxes. bug , ui-and-user-input-bug	1	78	September 4, 2025
Client Sided Terrain Stops Being Interactable With After Being Streamed Out And Back In bug , streaming-bug	1	83	September 4, 2025
ROBLOX tween bug	1	195	September 4, 2025
Mouse cursor doesn't update on Menu open in live Roblox servers bug , ui-and-user-input-bug	3	245	September 4, 2025
StarterPlayerScripts are running!? bug , remote-events-bug	3	64	September 4, 2025
roblox:// protocol deeplink causes multiple Windows errors & notifications bug , other-bug	0	26	September 4, 2025
ProximityPrompt won't appear in a small Part with a ConstraintWeld when RequiresLineOfSite is true	4	576	September 4, 2025
Using Assistant while the game runs freeze Save/Publish (cannot exit Studio too) bug , other-bug	1	46	September 4, 2025
Tool.Activated triggers twice when ManualActivationOnly is disabled when using :Activate() in LocalScript and once when using :Deactivate() bug , ui-and-user-input-bug	2	206	September 4, 2025
"ViewportDisplaySize is not a valid member of GuiService" warning when using FindFirstChild, WaitForChild,etc in certain locations in studio bug , other-bug	6	191	September 4, 2025
EditableMeshes cause extreme FPS drop on PC bug , vfx-bug	10	199	September 4, 2025
Particle emitters clear emitted particles when occuleded bug , vfx-bug	1	41	September 4, 2025
MicroProfiler Web Sever not accessible if hosted on Apple Device bug , microprofiler-bug	0	11	September 4, 2025
Archived Meshes still displaying bug , vfx-bug	5	143	September 4, 2025
:DisplaySystemMessages() insert messages into text chat randomly instead of at the bottom bug , ui-and-user-input-bug	5	150	September 4, 2025
Occlusion Culling breaks and starts glitching bug , streaming-bug	2	142	September 4, 2025
Occlusion culling is not rendering objects that are in view bug , other-bug	10	351	September 4, 2025
Low FPS due to EditableMesh "transcodeVerticesAndCalculateBounds" taking significantly longer than usual (40-70ms frame time) bug , other-bug	19	385	September 4, 2025
Voice Chat is partially broken. bug , voice-bug	0	30	September 4, 2025
Roblox outright refuses to start bug , other-bug	0	25	September 4, 2025
The entire “Game Settings” menu has a UI issue, and the same goes for “Terrain Editor”, “Toolbox”, etc. Also, my ViewSector doesn’t appear. bug , ui-and-user-input-bug	0	30	September 4, 2025
Cannot upload image to create ads in Ad manager bug , immersive-ads-bug	0	21	September 4, 2025
Device Emulator Fires UIS:TouchTap Twice bug , ui-and-user-input-bug	0	32	September 4, 2025