The delays in processing your visa dashboard update from the “documents delivery information” stage could be due to several reasons. Here are some common factors that might contribute to such delays:

1. High Volume of Applications: If the visa office is experiencing a high volume of applications, processing times may be longer than usual. This is often the case during peak travel seasons or due to changes in immigration policies attracting more applicants.
2. Administrative Processing: Some applications require additional administrative processing, which can extend the time needed to update the status. This could involve background checks, security clearances, or further scrutiny of the provided documents.
3. Incomplete or Inaccurate Information: Any incomplete or inaccurate information in your application or in the documents you submitted could cause delays. The visa office might require additional time to request and review corrected or other documents.
4. Technical Issues: Sometimes, delays can be caused by technical issues with the visa processing system. This could prevent the system from being updated promptly.
5. Local or Global Events: External factors such as holidays, strikes, natural disasters, or global events like pandemics can impact processing times at visa centers.
6. Courier or Mail Delays: If your application involves physical documents being sent via mail or courier, any delays in these services can also affect the processing time.
7. Internal Review Processes: The embassy or consulate may have internal review processes that take additional time, especially for certain types of visas that require more thorough evaluation.

It’s important to note that visa processing times can vary greatly depending on the country, the specific embassy or consulate handling your application, and the type of visa you are applying for. If you are concerned about the time it’s taking, you may:

• Check Online Updates: If available, check the visa application status through the official online portal.
• Contact the Visa Office: If the delay seems unusual, contact the visa office or embassy where you submitted your application to inquire about the status.
• Consult with an Immigration Expert: If you are working with an immigration lawyer or consultant, discuss your concerns with them, as they might have more insights into current processing times and procedures.

Remember that patience is often crucial in visa processing, and while delays can be frustrating, they are not uncommon.