A comprehensive list could be hard to come by. However, you could try checking out literary forums or asking in Urdu bookstores. They might have some suggestions or resources to help you.
The strong character development in her novels is a unique feature. For example, in 'Humsafar', the main characters evolve throughout the story in a very believable way.
Farhat Ishtiaq has written many engaging novels. To find out her latest ones, you might want to follow her on social media platforms if she is active there. Publishers' announcements can also be a great source. Maybe some of her earlier works like 'Diyar - e - Dil' can give an indication of the kind of stories she tells in her latest novels too.
I'm not sure specifically which are Farhat Ishtiaq's new novels. You could try checking at local bookstores or online book retailers, they often have the latest releases listed.
I'm not entirely sure about all of her 'best' novels, but her works often deal with themes like love, family, and the human condition. Her writing style is known for being engaging and emotional, which makes her novels popular among many readers. By exploring different aspects of life through her characters, she creates stories that can resonate with a wide range of audiences.