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Python: [Bug]: Anthropic Streaming agent fails with HTTP 400 on consecutive tool calls: tool_use blocks can only be in assistant messages

bugSomething isn't workingSomething isn't working

python

triage

Status: Open.

Bug

#4328 In microsoft/agent-framework;

· leelakarthik opened on Feb 26, 2026

Python: [Bug]: <code>thread.message.completed</code> Event Unhandled in Assistants API Streaming

bugSomething isn't workingSomething isn't working

python

triage

Status: Open.

Bug

#4322 In microsoft/agent-framework;

· djw-bsn opened on Feb 26, 2026

Python: [Bug]: Declarative: PowerFx undefined-variable errors crash on non-English system locales

bugSomething isn't workingSomething isn't working

python

triage

Status: Open.

Bug

#4321 In microsoft/agent-framework;

· corradopignato opened on Feb 26, 2026

Python: [Bug]: Azure open ai agent session error

bugSomething isn't workingSomething isn't working

python

Status: Open.

Bug

#4315 In microsoft/agent-framework;

· bialowasf opened on Feb 26, 2026

Python: MagenticBuilder logs spurious custom-manager warning with defaults

bugSomething isn't workingSomething isn't working

python

workflowsRelated to Workflows in agent-frameworkRelated to Workflows in agent-framework

Status: Open.

#4306 In microsoft/agent-framework;

· moonbox3 opened on Feb 26, 2026

Python: Function invocation conversation-id propagation crashes when chat_options in kwargs is a dict

agentsIssues related to single agentsIssues related to single agents

bugSomething isn't workingSomething isn't working

python

Status: Open.

#4305 In microsoft/agent-framework;

· moonbox3 opened on Feb 26, 2026

Python: AzureOpenAIResponsesClient(model_id=...) resolves to True due to walrus precedence

agentsIssues related to single agentsIssues related to single agents

bugSomething isn't workingSomething isn't working

python

Status: Open.

#4299 In microsoft/agent-framework;

· moonbox3 opened on Feb 26, 2026

Python: AgentExecutor keeps service_session_id when replaying full conversation

bugSomething isn't workingSomething isn't working

python

workflowsRelated to Workflows in agent-frameworkRelated to Workflows in agent-framework

Status: Open.

#4292 In microsoft/agent-framework;

· moonbox3 opened on Feb 26, 2026

.NET: [Bug]: ChatCompletionRequestMessage.ToChatMessage() hardcodes ChatRole.User, breaking multi-turn conversations

.NET

bugSomething isn't workingSomething isn't working

v1.0Features being tracked for the version 1.0 GAFeatures being tracked for the version 1.0 GA

Status: Open.

Bug

#4289 In microsoft/agent-framework;

· AkiKurisu opened on Feb 26, 2026

Python: [Feature]: I am looking for support for multi-turn in all orchestration patterns but I don't see any documentation for this

agent orchestrationIssues related to agent orchestrationIssues related to agent orchestration

python

Status: Open.

Feature

#4288 In microsoft/agent-framework;

· nchandhi opened on Feb 26, 2026

[Feature]: Allow checkpoint creation at boundary SuperStepStartedEvent

workflowsRelated to Workflows in agent-frameworkRelated to Workflows in agent-framework

Status: Open.

Feature

#4280 In microsoft/agent-framework;

· elgold92 opened on Feb 25, 2026

Python: [Bug]: ClaudeAgent missing telemetry - inherits from BaseAgent instead of Agent

agentsIssues related to single agentsIssues related to single agents

bugSomething isn't workingSomething isn't working

python

v1.0Features being tracked for the version 1.0 GAFeatures being tracked for the version 1.0 GA

Status: Open.

Bug

#4278 In microsoft/agent-framework;

· amitmukh opened on Feb 25, 2026