Supposedly Qwen 3.8 27B has less "world knowledge" (i.e. anything outside coding) than Qwen 3.6 27B or earlier so depending on what you do you may want to keep

Supposedly Qwen 3.8 27B has less "world knowledge" (i.e. anything outside coding) than Qwen 3.6 27B or earlier so depending on what you do you may want to keep a copy.