Instruction: Identify the main challenges of continual learning in LLMs and propose solutions.
Context: This question delves into the candidate's insight on the hurdles of incorporating continual learning into LLMs and their ability to suggest viable solutions.
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The way I'd explain it in an interview is this: The hardest challenge is updating the model without degrading what it already knows. Continual learning can introduce catastrophic forgetting, instability, regression in safety behavior, and uncertainty about what changed between versions....