Claude Managed Agents session event streams support event deltas

UpdateJun 30, 2026VerifiedAdded Sep 22, 2026

Opt in with event_deltas[] on the session events stream to receive event_start and event_delta events that preview an agent message's text before the complete agent.message event arrives.

AI agents LLMs SQL Streaming

Read Anthropic's release notes

https://platform.claude.com/docs/en/release-notes/overview#june-30-2026

Summaries of vendors' own notes. Product names and logos belong to their owners; logos via logo.dev.

More Claude Platform releases

Claude PlatformJun 30, 2026

Claude Sonnet 5 launches with a 1M token context window at $2 / $10 per MTok

Claude Sonnet 5 supports a 1M token context, 128k max output and the same tools as Sonnet 4.6 except Priority Tier. Migrating teams should note that adaptive thinking is on by default and manual extended thinking changes.

GALLMsPricingSource

Claude PlatformJun 30, 2026

Claude Managed Agents session listing adds backward pagination

GET /v1/sessions now returns a prev_page cursor alongside next_page, which can be passed as the page parameter to go back a page.

UpdateAI agentsLLMsDeveloper toolsSource

Claude PlatformJun 30, 2026

Claude Managed Agents sessions can override agent configuration

Passing agent with type agent_with_overrides replaces the model, system prompt, tools, MCP servers or skills for a single session without changing the agent itself.

UpdateAI agentsLLMsMCPSource

Claude PlatformJun 30, 2026

Claude Managed Agents vaults add injection_location for credentials

Environment variable credentials can now be substituted at egress into outbound request headers, the request body or both, controlled by the new injection_location setting.

UpdateAI agentsLLMsSource

Claude PlatformJun 30, 2026

Claude Managed Agents webhooks cover agent and deployment lifecycle events

New agent, deployment and deployment run webhook events let you react to a published agent version, a paused deployment or a failed scheduled run without polling.

UpdateAI agentsLLMsSource

Claude PlatformJul 1, 2026

Access to Claude Fable 5 and Claude Mythos 5 is restored

Anthropic has restored access to Claude Fable 5 and Claude Mythos 5 and published a statement with more information.

UpdateLLMsSource

Claude PlatformJun 29, 2026

Fast mode removed for Claude Opus 4.6

Requests to claude-opus-4-6 with speed fast now run at standard speed and standard rates without erroring, and usage.speed reports the speed used. Migrate to Claude Opus 4.8 to keep fast mode.

DeprecationLLMsPricingSource

Claude PlatformJul 2, 2026

agent-memory-2026-07-22 beta header changes memory store listing behavior

With the new header, listing memories returns a stable server-defined order, depth accepts only 0 or 1, and path_prefix must end with / and match whole segments. Page cursors issued without the header are not valid with it.

BetaAI agentsCoding agentsSource

Also shipped on Jun 30, 2026

Snowflake SnowflakeJun 30, 2026

Analytical search (Public Preview)

Analytical search, an orchestration capability in Cortex Agents that enables analytical queries over large document collections, is now in Public Preview. Traditional retrieval-augmented generation (RAG) approaches retrieve a small number of passages, which limits their ability to answer questions requiring comprehensive analysis, such as counts...

PreviewAI agentsVector searchSource

Databricks Databricks SQLJun 30, 2026

MATCH_RECOGNIZE is now in Beta

Databricks SQL and Databricks Runtime now support the SQL:2016 MATCH_RECOGNIZE clause for row pattern recognition. Enable the Match Recognize preview in workspace preview settings . See MATCH_RECOGNIZE clause .

BetaSQLSource

Databricks Databricks SQLJun 30, 2026

Lakehouse Real-Time (Beta)

Lakehouse Real-Time (Lakehouse//RT) is now in Beta . Lakehouse//RT is a serverless SQL warehouse type built for low-latency, high-concurrency workloads, delivering sub-second SQL read queries against Unity Catalog tables.

BetaSQLStreamingGovernanceSource

Google Cloud Gemini APIJun 30, 2026

Gemini Omni Flash in public preview

Released gemini-omni-flash-preview, a high-performance multimodal model designed for high-speed video generation and conversational video editing. Using the Interactions API, you can generate 3--10 second videos at 720p from text descriptions or animate still images, and then conversationally edit and refine the outputs.

PreviewLLMsDeveloper toolsPerformanceSource

Google Cloud Gemini APIJun 30, 2026

Gemini 3.1 Flash Lite Image (Nano Banana 2 Lite) is generally available

gemini-3.1-flash-lite-image is a multimodal model optimized for ultra-low latency, cost-effective image generation and editing, now GA in the Gemini API.

GALLMsPricingDeveloper toolsSource

Microsoft Microsoft FoundryJun 30, 2026

[Launched] Generally Available: Toolboxes in Microsoft Foundry

Microsoft Foundry brings Toolboxes to GA, providing a unified endpoint to invoke the most-used tools in prompt agents and callable outside of prompt agents. Today every agent team hand-assembles its own tool list to solve the same tasks, with no shared ar

GAAI agentsDeveloper toolsSource