Thanks for sharing your thoughts, Jorge! Such a great insights especially for those currently still working remotely agile.
I worked on several Agile transformation projects when I was in consulting. From what I have seen, collocation was believed to be the most important aspect that enabled the team to achieve its outcome more effectively and efficiently.
Given the remote working model, several companies maintain their agility through several practices such as strong team alignment, rigid prioritization, and the use of virtual team collaboration tools such as Zoom, Slack, Dovetail software, Github, Sketch. It is also interesting to see how empathy, transparency, and engagement also play significant role in maintaining team collaboration. You might want to consider checking this article out to get more details: https://www.bcg.com/en-us/publications/2020/remaining-agile-and-remote-through-covid