I found this video looking for weapon light reviews. It's only a month old and is one of the most comprehensive comparisons of a huge number of systems at the same time under the same conditions. This guy spent a lot of time and money creating this.
View: https://youtu.be/e5V9qYxITW0?si=vu4xSk-kMDj8oBdK
View: https://youtu.be/e5V9qYxITW0?si=vu4xSk-kMDj8oBdK