Microsoft has a dedicated feedback platform called the "Feedback Hub" where users can submit feedback and suggestions for Microsoft products, including Outlook. To access the Feedback Hub, users can click on the "Help & Feedback" button in the bottom right corner of the Outlook window and select "Give Feedback." Additionally, users can visit the Outlook UserVoice page to submit and vote on feature requests and bug reports.
As for the issues mentioned in the question, it seems that there are several bugs in the new Outlook task management system. It is recommended that the user submits a bug report through the Feedback Hub or the Outlook UserVoice page to bring these issues to the attention of the product team.
References:
- Which Task Management Tool is Right For Me - Microsoft Outlook
- Troubleshooting and things to know about Microsoft Dynamics 365 for Outlook - Potential issues and resolutions
- What's new for IT pros in Project Server 2013 - My Tasks: All tasks in one location
- Which Task Management Tool is Right For Me - Microsoft Planner
- The "Sync to Outlook" button and the "Tasks" link are missing in SharePoint Online - More information
- Which Task Management Tool is Right For Me - Note