While this blog post looks at what managers can do, we've also recently started using Yerbo (Slack app) internally to help individuals to assess their own risk of burnout. See: https://about.gitlab.com/handbook/communication/#yerbo-slack...
Mental health and well-being is always a concern at GitLab (ex: the Friends and Family days that we implemented and maintained throughout the pandemic to ensure team members are taking time off). This month, however, we've been adding additional focus to the topic as May is Mental Health Awareness month.