fix: update Azure OpenAI API version default to preview (#82072)

clawsweeper[bot] · leoge007 · LeoGe · web-flow · commit a099acc557e0 · 2026-05-15T08:42:36.000Z
Summary: - The branch changes the Azure OpenAI Responses transport default API version from `2024-12-01-preview` to `preview`, updates the focused unit assertion, and adds a changelog entry. - Reproducibility: yes. The source PR provides live Azure curl/OpenClaw commands showing dated defaults fail w ... `api-version=preview` succeeds, and current main still resolves an unset env var to the old dated default. Automerge notes: - PR branch already contained follow-up commit before automerge: fix: update DEFAULT_AZURE_OPENAI_API_VERSION to 2025-04-01-preview (i… - PR branch already contained follow-up commit before automerge: fix: use preview literal for AZURE_OPENAI_API_VERSION - PR branch already contained follow-up commit before automerge: fix: repair Azure API version PR diff and tests - PR branch already contained follow-up commit before automerge: fix: keep Azure image API version default - PR branch already contained follow-up commit before automerge: fix: update Azure OpenAI API version default to preview Validation: - ClawSweeper review passed for head d7062f1. - Required merge gates passed before the squash merge. Prepared head SHA: d7062f1 Review: #82072 (comment) Co-authored-by: Leo Ge <116452300+leoge007@users.noreply.github.com> Co-authored-by: leoge007 <leoge@users.noreply.github.com> Co-authored-by: clawsweeper <274271284+clawsweeper[bot]@users.noreply.github.com>
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -34,6 +34,7 @@ Docs: https://docs.openclaw.ai
 
 ### Fixes
 
+- Agents/Azure OpenAI Responses: default unset Azure OpenAI API versions to `preview` so `/openai/v1/responses` calls use Azure's current Responses API route. (#82026) Thanks @leoge007.
 - Agents: retry empty final turns for generic `anthropic-messages` providers instead of limiting non-visible recovery to Kimi, so custom/proxied Anthropic-compatible routes can recover with a visible answer. Addresses #46080. Thanks @wmgx, @w1tv, and @iFwu.
 - Control UI: rotate browser service-worker caches per build so updated Gateways are less likely to keep serving stale dashboard bundles that trigger protocol mismatch errors.
 - Discord: report unresolved configured bot-token SecretRefs during startup instead of treating the account as unconfigured. (#82009) Thanks @giodl73-repo.
diff --git a/src/agents/openai-transport-stream.test.ts b/src/agents/openai-transport-stream.test.ts
@@ -604,7 +604,7 @@ describe("openai transport stream", () => {
   });
 
   it("uses a valid Azure API version default when the environment is unset", () => {
-    expect(resolveAzureOpenAIApiVersion({})).toBe("2024-12-01-preview");
+    expect(resolveAzureOpenAIApiVersion({})).toBe("preview");
     expect(resolveAzureOpenAIApiVersion({ AZURE_OPENAI_API_VERSION: "2025-01-01-preview" })).toBe(
       "2025-01-01-preview",
     );
diff --git a/src/agents/openai-transport-stream.ts b/src/agents/openai-transport-stream.ts
@@ -68,7 +68,7 @@ import { stripSystemPromptCacheBoundary } from "./system-prompt-cache-boundary.j
 import { transformTransportMessages } from "./transport-message-transform.js";
 import { mergeTransportMetadata, sanitizeTransportPayloadText } from "./transport-stream-shared.js";
 
-const DEFAULT_AZURE_OPENAI_API_VERSION = "2024-12-01-preview";
+const DEFAULT_AZURE_OPENAI_API_VERSION = "preview";
 const OPENAI_CODEX_RESPONSES_EMPTY_INPUT_TEXT = " ";
 const GEMINI_THOUGHT_SIGNATURE_VALIDATOR_SKIP = "skip_thought_signature_validator";
 const AZURE_RESPONSES_FIRST_EVENT_TIMEOUT_MS = 30_000;
