Removing AutomaticSize from a StyleRule doesn't update existing UI elements

Bug Reports Engine Bugs
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#1

When AutomaticSize for a StyleRule is set to nil or Enum.AutomaticSize.None the existing UI Elements of which the rule is applied to are not updated to reflect this change.

reproduction:

local Gui = Instance.new("ScreenGui")
Gui.Parent = game:GetService("RunService"):IsServer() and
	game:GetService("StarterGui") or
	game:GetService("Players").LocalPlayer.PlayerGui

local Sheet = Instance.new("StyleSheet")
Sheet.Parent = Gui

local Rule = Instance.new("StyleRule")
Rule.Selector = "TextButton"
Rule:SetProperties({
	Position = UDim2.fromScale(.5, .5),
	AnchorPoint = Vector2.new(.5, .5),
	AutomaticSize = Enum.AutomaticSize.XY
}) 
Rule.Parent = Sheet

local Link = Instance.new("StyleLink")
Link.StyleSheet = Sheet
Link.Parent = Gui

local Btn = Instance.new("TextButton")
Btn.Parent = Gui

task.wait(2)
print("Setting AutomaticSize to `X`.")
Rule:SetProperty("AutomaticSize", Enum.AutomaticSize.X)

task.wait(2)
print("Setting AutomaticSize to `None`.")
Rule:SetProperty("AutomaticSize", Enum.AutomaticSize.None)  -- This doesn't work.

task.wait(2)
print("Setting AutomaticSize to `Y`.")
Rule:SetProperty("AutomaticSize", Enum.AutomaticSize.Y)

task.wait(2)
print("Setting AutomaticSize to `nil`.")
Rule:SetProperty("AutomaticSize", nil) -- This doesn't work.

The code above will cycle through all of the enum items for AutomaticSize and apply them to the style sheet.

Expected behavior

I would expect that setting the AutomaticSize property to either nil or Enum.AutomaticSize.None would retroactively update the instances the StyleRule is attached to.

#2

This is just an acknowledgment announcement!

We’ve filed a ticket into our internal database for this issue, and we will update you when we have further information!

Thank you for the report!

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