What is my ex unblocked me on instagram?

As an AI language model, I do not have any personal information about you or your ex. However, if your ex unblocked you on Instagram, it could mean that they are willing to communicate with you or keep tabs on your social media activity. It could also be a sign that they have moved on from any negative feelings or circumstances that led to the previous block and are open to starting a fresh relationship or conversation. However, it is important to note that every situation is different, and unblocking on social media does not necessarily mean that the relationship or communication will be successful.