Development build hotfixes.
Development builds are stable releases that include bug fixes after an official release.Example: Vantage 1.1 is released and 3 days later a bug is found, the developer fixes this specific bug and adds it in the development build.When the next version is released the fix will be included in the theme.
1.buy button not visible when not logged in.
2.improvement in code (translation related).
Always take a backup before upgrading.
How to install the dev build:
1.Go to WP
2.Delete your Taskerr theme
3.Upload/install the dev build Taskerr.