Are you trying to find a within version 1.8.4, or
You can create them by checking the "create artboard" box when setting up a new document preset via File > New . Affinity Designer 1.8.4
If you are looking for specific "create" functions within this version: Are you trying to find a within version 1
The update focused on general performance enhancements and addressing issues reported in the 1.8 branch. UI/UX Refinements: Added Edit > Duplicate > Layer
Fixed several critical bugs, including "Tagged" PDF export errors and incorrect file size estimations. UI/UX Refinements: Added Edit > Duplicate > Layer to the menu. Improved Baseline grid scaling and artboard resizing. Improved gradient handling in imported EPS files. How to Create Common Items in v1.8.4
You can create a new pixel layer by clicking the Pixel Layer icon in the Layers panel or by painting with a brush in the Pixel Persona.
The tool was updated to allow for 15° rotation of the document or page.