- Linked Text boxes are not supported
- No links to external pages documents, or document imports
- No contextual duplicate on thumbnails, or page duplication
Pages v5 (any release) is not an evolution of Pages '09 v4.3 features/funtionality. It was a complete rewrite that also introduced a new document architecture that is not backwards compatible with Pages '09 v4.3, and at least twice with itself. It is missing over 100 functional items from Pages '09 v4.3, that you will find frustrating — coming from the older Pages. You won't be able to open RTF, Pages '08, or AppleWorks documents — all now unsupported.
Due to missing Pages v5 functionality, Pages '09 documents will silently have content alterered, or removed from them when opened. Have linked Text boxes? These will not be linked when opened in Pages v5. Same drill with linked documents. Should Pages v5 auto-save your opened Pages '09 document - you better have a backup document, or your content will lost. Any double-click of a Pages document will open it in Pages v5.
If Pages '09 v4.3 was installed on your MacBook Pro before Pages v5, it was quietly moved into /Applications/iWork '09 location, and is still usable under Maverick and Yosemite 10.10.1.