This looks like a distribution portal requirement. Did you explore setting up ASC or a content hub instead ?https://opensource.adobe.com/asset-share-commons/No API as such but you can have your logic written that makes use of querybuilder API's.https://experienceleague.adobe.com/en/docs/experience-m...

Link format looks fine .Is this issue happening with all asset types like jpeg , png , or image formats or specify formats like pdf or zip etc? Can you try on different asset .Also , please make sure that the asset is NOT EXPIRED as for expired assets it will show blank as above.

Can you share URL format . Mine looks like below and I can access fine, assuming you are sharing from author touch UI. https://author-pxxxx-exxxx.adobeaemcloud.com/linkshare.html?sh= x.yhttps://author-pxx-exxxx.adobeaemcloud.com/linkshare.html?sh=cc5dde54_e6e4_4dfe_84f3_0a76ba9a200f.jstJoOf_LSJvwQE4...

Din't see any issue in 2024.9 or 2024.10. Try upgrading your environment as you should not be anyways working on old versions. If for any reason you don't want to upgrade your env , check once with admin user and if issue still exists login a support ticket to check with support team via admin conso...

Qestion is not clear , please elaborate with some screenshots

 HTTP API updates the metadata properties in the jcr namespace. However, the Experience Manager user interface updates the metadata properties in the dc namespace.PUT /api/assets/myfolder/myAsset.png -H"Content-Type: application/json" -d '{"class":"asset", "properties":{"dc:title":"My Asset"}}' Here...

You can add Name as anything and values as   jcr:content/metadata/dam:sha1 and jcr:content/metadata/xmpMM:DocumentID  

This is in assets view which is new author assets UI where we cannot configure any other metadata column other then what's configurable. The dynamic custom filters may come in soon which can help you to filter based on custom metadata and the you can view on details page.You may be able to customize...

This is not possible. And even on click on author view you can not see exact count of assets within folder as assets lazy load as user scrolls to avoid slowness and performance issue.  Better to take the disk usage / file report OOTB AEM - and check which folder has no assets and clean them up. Idea...

On author it gives both results (doc and pdf) without doing any changes On new cloud prod instance. Issue is only on publisher with ASC.