fix(transformation): merge system and developer messages into one leading system message (internal copy of #39282) - #39852

Open

mateo-berri wants to merge 16 commits into

mainfrom

litellm_lit_7019_hoist_developer_messages

Commits on Sep 3, 2026

fix(transformation): merge consecutive system and developer messages for non-OpenAI providers and Responses API
sowmy86
committed
07f32a2
fix(base_utils): keep later cache_control and billing metadata boundaries when merging system messages
sowmy86
committed
12699bd
perf(base_utils): fold consecutive system messages in a single linear pass
sowmy86
committed
eecea12

Commits on Sep 5, 2026

Commits on Sep 8, 2026

Commits on Sep 10, 2026

Merge branch 'litellm_internal_staging' of https://github.com/BerriAI/litellm into litellm_lit_7019_hoist_developer_messages
mateo-berri
committed
8b49a64