Introduced in version 18.104.22.168
On the Report tab in Options, in the Stock section, if you have Supplier selected you are given the option to produce the report for all suppliers or a specific supplier when you select the relevant menu option (e.g. the Reports->Stock->Current Stock Levels menu option)
When this option is selected you are asked the following question:
Do you want to produce a report for a specific supplier?
If you answer Yes you are given the option to enter a supplier to produce the report for.
If you answer No a report is produced for all the suppliers. If you want each supplier's products to be shown on separate pages tick the Show each suppier on a new page option on the Report tab in Options, in the Stock section
For more details on this use the following link: