Strongly warn that don't update with the live site and backup first.
+ Add published version and editing version in page preview.
now it would save more time in displaying page in published version
V 1.7 is coming to the end.
V 1.8 will start new feartures with Bootstrap4 andonly maintain the Bootstrap3
Drop me a line if you have any questions. Or just let me know what you're working on so that I can find ways to help serve you better.
Besides... I can help develop php project now if you have an idea.