How do I find my last postings?

Or bookmark this: Bicyclesnowplow’s Subscriptions - Apple Community

Note the "Filter" option near the top:

Setting "Recent Activity" to "Authored" from the default of "Following" shows threads you started.

Bicyclesnowplow wrote:

Doesn't seem there's anyway to keep track of postings

Check by clicking on your profile icon at the top right of the forum, then select my subscription.

Thank you so very much for your help