By customizations on WordPress, do you imply you have edited Core recordsdata? They are not meant to be touched as a result of anytime you replace Core your modifications are misplaced; all of your code modifications needs to be in plugins or baby/customized themes.
While you’re engaged on a web site with this many modifications it is best (however in fact not at all times doable) to do a content material freeze, the place for a day or two nobody modifications content material on the stay web site. That manner you may import the stay database onto localhost, search-and-replace the URLs so it really works regionally, change your plugin settings and so forth., after which when every part in your native is as wanted, take a backup of the stay web site’s recordsdata and db, then search-and-replace URLs regionally and export the db, import the db into the stay web site, and push your code modifications into the stay web site.
