No you can only publish the changes. There are exceptions.
1. If you have upgraded your shop from Version 7, 8 or 9 to Version 10 for example, - You must "Publish All"
2. If you have made major changes on your website then it is recommended that you click "Rebuild All" and Publish All
What is a Major Change requiring Publish All?
- changing your website theme or making a lot of customization changes (colors, fonts and so on)
- when you install new updates which include a lot of fixes. For eg upgrading from 10.23 to 10.24 this woud be considered major
- if you move to a new server
- If you add extra languages to your shop
- If after publishing your website the display is "wrong" - it appears funny, like an overlapping template and so on. Publish All might fix the issue.
What is a minor Change not requiring Publish All?
- adding new Products to your website
- changing the prices in your shop
- updating Stock Control levels
1. If you have upgraded your shop from Version 7, 8 or 9 to Version 10 for example, - You must "Publish All"
2. If you have made major changes on your website then it is recommended that you click "Rebuild All" and Publish All
What is a Major Change requiring Publish All?
- changing your website theme or making a lot of customization changes (colors, fonts and so on)
- when you install new updates which include a lot of fixes. For eg upgrading from 10.24 Build 15040 to 10.24 Build 15148 this woud be considered major