Sources: Apple has sent personal legal warnings to ~40 former employees who now work at OpenAI, asking them to preserve documents and meet with its lawyers (Michael Acton/Financial Times)

Apple has issued legal warnings to approximately 40 former employees now working at OpenAI. These warnings instruct the former employees to preserve documents and meet with Apple's lawyers. This action signals an escalation in Apple's aggressive tactics concerning a trade secrets dispute with the AI lab.