Templating: error when using a number bind as text hole

[Tarmil]

Example:

<input type="number" bind="${MyNumber}">
The value is ${MyNumber}

This fails without an error when trying to display, and with the following stack trace when setting from hot reload:

blazor.webassembly.js:1 Uncaught (in promise) Error: System.InvalidCastException: Specified cast is not valid.
  at Microsoft.JSInterop.DotNetDispatcher.InvokeSynchronously (System.String assemblyName, System.String methodIdentifier, System.Object targetInstance, System.String argsJson) <0x250dca8 + 0x001bc> in <af36ed9192be4a95b907125ccf0c1e59>:0 
  at Microsoft.JSInterop.DotNetDispatcher.BeginInvoke (System.String callId, System.String assemblyName, System.String methodIdentifier, System.Int64 dotNetObjectId, System.String argsJson) <0x261b980 + 0x00088> in <af36ed9192be4a95b907125ccf0c1e59>:0 
    at endInvokeDotNetFromJS (blazor.webassembly.js:1)
    at Object.invokeJSFromDotNet (blazor.webassembly.js:1)
    at _mono_wasm_invoke_js_marshalled (mono.js:1)
    at wasm-function[1450]:935
    at wasm-function[762]:25085
    at wasm-function[762]:23853
    at wasm-function[762]:23853
    at wasm-function[762]:23853
    at wasm-function[762]:24468
    at wasm-function[762]:24468