HI
Having 8+ year experienced & Possess Technical Skills: PHP, Magento 1, Magento 2, Amazon AWS, MySQL, JavaScript, BootStrap, HTML, HTML5, CSS, CSS3, jQuery, & REST APIs.
After getting Magento update, mostly extension & custom code is get affect and We have test it one by one. Well Got understood your concern and I will fix it. Before start, Please update me about Backup File and Is your all custom work safe?
More details discuss over chat.
Regards
Shartra