Large Scale Scrum (LeSS) is an agile framework that is designed to help organisations scale up their Scrum practices to work effectively on larger projects. The Evolution of Large Scale Scrum: Past, Present, and Future . It is based on the principles of Scrum, but has been adapted to support multiple teams working together on a single product or project.
One of the key challenges in scaling up Scrum is ensuring that the framework remains flexible enough to adapt to the needs of the different teams involved, while also maintaining the scalability necessary to handle the complexities of larger projects. LeSS addresses this challenge by providing a set of guidelines and practices that help teams to work together more effectively, while also allowing for the autonomy and self-organisation that are core principles of Scrum.
One of the key features of LeSS is its focus on simplifying the structure of the organisation and reducing the number of roles and responsibilities that teams have to contend with. By streamlining the decision-making process and encouraging collaboration between teams, LeSS helps to create a more agile and responsive environment that is better able to handle the challenges of large-scale projects.

Another important aspect of LeSS is its emphasis on continuous improvement and learning. By encouraging teams to regularly reflect on their processes and practices, LeSS helps to create a culture of experimentation and innovation that can lead to better outcomes for the organisation as a whole.
Overall, Large Scale Scrum is a powerful framework for organisations looking to scale up their agile practices. By providing a flexible and scalable approach to managing large projects, LeSS helps teams to work more effectively together, while also fostering a culture of continuous improvement and learning.