v2.12.3
feat: fix illegal exports in app/api/anthropic/[...path]/route.ts
feat: Support a way to define default model by adding DEFAULT_MODEL env.
update google api region (#3934)
fix: fix using different model
fix: fix upstash sync issue
feat: fix 1)the property named 'role' of the first message must be 'user' 2)if default summarize model 'gpt-3.5-turbo' is blocked, use currentModel instead 3)if apiurl&apikey set by location, useCustomConfig would be opened
feat: dev done
Merge branch 'main' into serverrside