Claude For Legal launches with 'Dreaming' memory review; Mythos restricted to Microsoft and Google

Anthropic formally launched Claude For Legal with practice-area plugins, MCP connectors, and access controls — Harvey reports a 6x task-completion lift in early tests. It also rolled out 'Dreaming,' a memory-review system that lets Claude revisit past sessions to learn from errors, and confirmed Claude Mythos is being limited to a small set of partners including Microsoft and Google due to misuse risk. Haiku 4.5 reportedly cut blackmail-prone behaviors from up to 96% to near 0%.