BUG REPORT: ContextActionService failing to SetTitle, or SetPosition Engine Bug

[imdaros]

Reproduction Steps:
Put the following code in starterPlayerScripts (Or any place local scripts can run in)

This is the code I used:

local ContextActionService = game:GetService("ContextActionService")


local Player               = Players.LocalPlayer

function testfun()
	
end

ContextActionService:BindAction("Test1",testfun, true, Enum.KeyCode.Q)
ContextActionService:BindAction("Test2", testfun, true, Enum.KeyCode.F)
ContextActionService:BindAction("Test3", testfun, true, Enum.KeyCode.X)
ContextActionService:BindAction("Test4", testfun, true, Enum.KeyCode.J)
ContextActionService:BindAction("Test5", testfun, true, Enum.KeyCode.Z)
ContextActionService:BindAction("Test6", testfun, true, Enum.KeyCode.Tab)
ContextActionService:BindAction("Test7", testfun, true, Enum.KeyCode.CapsLock)
ContextActionService:BindAction("Test8", testfun, true, Enum.KeyCode.P)
ContextActionService:BindAction("Test9", testfun, true, Enum.KeyCode.L)


ContextActionService:SetTitle("Test1", "Test1")
ContextActionService:SetTitle("Test2", "Test2")
ContextActionService:SetTitle("Test3", "Test3")
ContextActionService:SetTitle("Test4", "Test4")
ContextActionService:SetTitle("Test5", "Test5")
ContextActionService:SetTitle("Test6", "Test6")
ContextActionService:SetTitle("Test7", "Test7")
ContextActionService:SetTitle("Test8", "Test8")
ContextActionService:SetTitle("Test9", "Test9")

Test 8 and Test 9 do not have their titles Set.
THIS HAPPENS IN BOTH STUDIO TESTING AND ON MOBILE DEVICES

Video Example:

ContextActionService DefForum Bug report

Also, note in the video the overlapping of any action bonded beyond 8.

Ps. I hope someone can post this in the actual bug reports topic since I do not have access.

[Uzixt (Uzi)]

ContextActionService has a known limit of 7 buttons

ContextActionService:GetButton() always returns nil after binding 7 actions

Update: As you noticed, the code currently has an invisible hard limit of 7 creatable buttons for the ContextActionService. This seems completely arbitrary, and we can certainly uncap it. I will create a ticket to do so.

[imdaros]

Someone tell me who at Roblox HQ said, yeh imma hard cap it???

[Uzixt (Uzi)]

It’s not really recommended to use ContextActionService for buttons, refer here:

REVISITING: ContextActionService:GetButton() Button Limit?

I’ll clarify what I meant. Basically, the buttons created from ContextActionService are pretty limited. You don’t want to be using them as your be-all end-all solution to on-screen, touch UI. At the end of the day, you should be making your own UI in your own ScreenGui, with some number of TextButtons or ImageButtons within it. Remember when you bind an action to some inputs, you’re sending the action handler function. It usually looks like this: local function handleAction(actionName, inputSt…