[PC desktop][Word] When "Shared runtime" requirement set the "Custom tab" is not displayed in the Word desktop, though in Word online it shows ups fine

[svehera-nd]

Provide required information needed to triage your issue

1. Use the manifest from the file below (wordIssue.txt)
2. Install it for word desktop
3. Open Word desktop

wordIssue.txt

You can also try to install a sample from documentation, it works fine and custom tab is displayed after the addin is installed
ms-sample.txt

Your Environment

• Platform [PC desktop, Mac, iOS, Office on the web]: PC desktop
• Host [Excel, Word, PowerPoint, etc.]: Word
• Office version number: Word for Microsoft 365 MSO (Version 2411 Build 16.0.18227.20082) 64-bit
• Operating System: Windows 10 Pro 22H2 19045.5247

Expected behavior

Custom tab shows up in Word desktop

Current behavior

Custom tab does NOT show up in Word desktop but shows up in Word online for the same manifest

Steps to reproduce

1. Use the manifest from the file below
2. Install it for word desktop
3. Open Word desktop

Link to live example(s)

• NA

Provide additional details

• NA

Context

• NA

Useful logs

• NA

[RuizhiSunMS]

Hi @svehera-nd, thx for reaching out here. I can repro this. Put it as #9650724 into our backlog. I will move it to owning team for further investigation. Will reply here if any update.

[svehera-nd]

@RuizhiSunMS Thanks