v3.4.0

What's Changed

Java SDK

• chore: runtime bump + akka deps by @aludwiko in #450
• feat: prompt template entity by @aludwiko in #455
• feat: First minimal Agent by @patriknw in #452
• feat: Real agent implementation by @patriknw in #456
• feat: system message from template by @aludwiko in #461
• feat: Mandatory sessionId by @patriknw in #463
• chore: Rename modelProvider to model in the effect builder by @patriknw in #464
• feat: string format support for templates by @aludwiko in #465
• feat: add conversation memory by @efgpinto in #457
• feat: mapping response by @aludwiko in #469
• feat: Response as token stream by @patriknw in #472
• Fix comment typo in EntityClientImpl by @octonato in #486
• feat: AgentRegistry to support planning by @patriknw in #482
• feat(agent): limit memory by byte size instead of number of msgs by @efgpinto in #487
• chore: Merge main into agent-dev by @patriknw in #495
• feat: adding read/write only modes and custom memory by @efgpinto in #490
• chore: rename CoreMemory to SessionMemory by @efgpinto in #497
• feat: mcp endpoints by @johanandren in #405
• chore: make collision of typename with user less likely by @efgpinto in #501
• feat: function tool call by @octonato in #489
• chore: Make AgentDescription optional by @patriknw in #488
• chore: Make json a separate concern from AgentRegistry by @patriknw in #499
• docs: First agent docs by @patriknw in #506
• fix: fixing get last N message from session by @aludwiko in #511
• feat: timestamp in the session history message by @aludwiko in #509
• fix: mapping llm string response by @aludwiko in #517
• chore: Remove AgentInfoCollection by @patriknw in #515
• docs: session memory by @efgpinto in #522
• fix: http-client returns String without decoding by @octonato in #510
• feat: Support for Google AI Gemini, Ollama and Local AI by @johanandren in #505
• docs: prompt template by @aludwiko in #527
• feat: Compaction of session memory by @patriknw in #526
• chore: re-modeling user, ai and tool messages by @octonato in #530
• docs: Add agent to getting started by @patriknw in #533
• fix: loading anthropic model from config by @franciscolopezsancho in #537
• feat: workflows tracing by @aludwiko in #541
• bump: Runtime 1.4.13-d85ee5951 by @patriknw in #543
• Auto PR - Akka Runtime version 1.4.14 by @kalix-bot in #548
• bump: runtime-1.4.14-58a2946-2 by @johanandren in #557
• fix: map tool request and responses to context msg by @octonato in #552
• chore: Merge main into agent-dev by @johanandren in #556
• feat: TestModelProvider in testkit, and docs by @patriknw in #549
• chore: Run multi-agent tests without api key by @patriknw in #558
• docs: Model provider details by @patriknw in #561
• feat: agent tracing by @aludwiko in #546
• docs: platform-specific OpenAI API key commands by @beritou in #569
• feat: standalone tool support by @octonato in #568
• chore: use Instant and remove orphans messages from memory by @efgpinto in #564
• feat: standalone tool support - take 2 by @octonato in #571
• chore: remove unused totalTokenUsage from SessionMemory by @efgpinto in #577
• feat: declare tools using its class type by @octonato in #575
• bump: Runtime 1.5.0 by @patriknw in #583
• chore: add mockError to TestModelProvider by @efgpinto in #586
• chore: Trigger compaction based on size by @patriknw in #587
• feat: allow annotations on interface methods by @octonato in #589
• fix: enforce tool name uniqueness by @octonato in #592
• chore: Add doc link for AK-020 agent error codes by @patriknw in #599
• fix: Handle nested class names in annotation processor by @patriknw in #603
• feat: Remote MCP server tools by @johanandren in #559
• chore: Unwrap InvocationTargetException in tool calls by @patriknw in #597
• chore: Remove maven archetype by @patriknw in #618
• Auto PR - Akka Runtime version 1.5.1 by @kalix-bot in #620
• Merge main into agent-dev by @johanandren in #622
• feat: http endpoint method specs for request building by @pvlugter in #615
• feat: tool call limits by @octonato in #621
• chore: TestModelProvider API improvements by @octonato in #627
• feat: support optional tool parameters by @octonato in #638
• chore: bump sdk in agents samples by @octonato in #641
• feat: Support for Hugging Face models by @johanandren in #598
• docs: some javadocs improvements by @octonato in #646
• Merge agent-dev to main by @patriknw in #647
• chore: Missing tool and mcp tool streaming effect APIs by @johanandren in #651
• docs: Getting started agent guide, part 1 and 2 by @patriknw in #655

Other

• bump: Langchain4j 1.0.0 dependendency by @patriknw in #451
• feat: Add knowledge to the user message (RAG) by @patriknw in #466
• Auto PR - Bump SDK versions to 3.3.2 by @github-actions in #479
• docs: Release notes for SDK 3.3.2 by @patriknw in #477
• build: PR version bump in multi-agent by @patriknw in #481
• docs: open local console link in a new tab by @ennru in #483
• docs: add missing command to start the app by @sebastian-alfers in #493
• build: Publish wip docs from agent-dev, for now by @patriknw in #492
• build: Don't publish sample image for pre-releases by @patriknw in #494
• chore: Remove docs errors by @patriknw in #496
• chore(sample): use timestamp from event by @efgpinto in #502
• chore: Update ask-akka-agent to 3.4.0-M1 by @patriknw in #507
• build: Use original branch for workflow_run by @patriknw in #508
• build: Publish wip docs from any branch by @patriknw in #514
• Merge main to agent-dev by @patriknw in #516
• sample: Move multi-agent sample to akka-sdk by @patriknw in #518
• chore: Migrate multi-agent to SDK Agent by @patriknw in #519
• docs: Agent workflow by @patriknw in #513
• docs: Multi-agent dynamic planning by @patriknw in #521
• docs: revamp landing page with modular layout by @beritou in #512
• docs: Akka management announcement by @patriknw in #531
• docs: Streaming responses by @patriknw in #523
• docs: akka CLI docs by @github-actions in #524
• docs: Human in the loop by @patriknw in #532
• filling in FIXMEs. adding more context and info. by @autodidaddict in #534
• docs: link to samples from getting started landing page by @beritou in #536
• sample: Add current date tool in WeatherAgent by @patriknw in #525
• docs: Update Ask Akka guide by @patriknw in #535
• docs: add redirects for relocated pages by @beritou in #538
• docs: clarify workflow timeout by @patriknw in #435
• docs: Minor agent updates by @patriknw in #540
• docs: direct new users to correct starting point by @beritou in #539
• chore: Add healthcare agent sample by @patriknw in #542
• docs: Add RAG in integrations by @patriknw in #545
• docs: announce Akkademy course in release notes by @beritou in #553
• docs: Release notes for runtime 1.4.14 and 1.2.19 by @johanandren in #551
• docs: fix formatting issue in session memory by @efgpinto in #550
• chore: Make AI coding guidelines fully copy-pasteable by @patriknw in #547
• docs: function tool needs to be agent method by @octonato in #554
• docs: Update llms.txt with agent docs and samples by @patriknw in #562
• chore: Update samples to 3.4.0-M4 by @patriknw in #563
• fix(docs): duplicate release notes heading by @beritou in #565
• docs: link to concepts video in AI RAG agent flows by @beritou in #570
• docs: make model providers two tables by @ennru in #574
• docs: agent icon by @ennru in #572
• docs: understanding pages by @ennru in #576
• Adds an agent concept to the list of concepts in the docs by @autodidaddict in #567
• docs: samples page design by @ennru in #578
• chore: use case-specific rename of sample app by @beritou in #580
• docs: foundational agentic AI systems concepts by @beritou in #579
• docs: akka CLI docs by @github-actions in #582
• chore: Shorten some long prompt lines to fit in docs by @patriknw in #584
• docs: documentation about external function tools by @octonato in #588
• docs: chore updates to ask akka sample by @efgpinto in #591
• update UI bundle version from 002 to 003 in antora playbooks by @rasummer in #593
• Add notification banner by @rasummer in #594
• docs(concepts): add platform introduction visuals by @beritou in #596
• chore: Source files can be removed in samples by @patriknw in #600
• chore: simplified planning for single agent run by @octonato in #602
• Update banner text by @rasummer in #604
• docs: reuse concepts intro in getting started by @beritou in #606
• add close button to the banner by @rasummer in #609
• docs: akka CLI docs by @github-actions in #614
• bump: Spring 8.2.8, in doc sample by @patriknw in #619
• chore: Log more details if gRPC test not on virtual thread by @johanandren in #617
• docs: Update getting started guide with language greetings by @patriknw in #616
• docs(concepts): revise Akka design goals section by @beritou in #608
• docs(concepts): add distributed system properties by @beritou in #611
• docs(concepts): clarify memory section by @beritou in #628
• docs(concepts): expand component descriptions by @beritou in #629
• docs: add deploy runbook to ask akka sample by @efgpinto in #607
• docs(concepts): packaging and deployment modes by @beritou in #631
• docs(concepts): clarify agentic intro statement by @beritou in #626
• docs(concepts): update agentic platform image by @beritou in #625
• docs(concepts): update page title by @beritou in #612
• docs(README): maintaining llms.txt index file by @beritou in #623
• docs(concepts): support for agentic runtimes by @beritou in #613
• docs(sample): update readme with secret setup step by @efgpinto in #634
• docs(concepts): consolidate runtimes content by @beritou in #633
• fix: missing space causing bad rendering by @octonato in #637
• chore(docs): hyperlink component names by @beritou in #635
• chore(docs): tighten table spacing by @beritou in #636
• docs(concepts): more on component interoperability by @beritou in #630
• docs(sample): update readme with secret setup step v2 by @efgpinto in #639
• chore: Update the docs with CLI changes by @olofwalker in #640
• docs(concepts): revise system anatomy section by @beritou in #610
• chore: using the same conventions for Views implementation is samples by @aludwiko in #323
• Updates the "identify the agent" section to be more clear by @autodidaddict in #590
• docs(concepts): update/move service packaging by @beritou in #644
• docs(concepts): expand memory and state info by @beritou in #624
• chore: Publish snapshot docs from main by @patriknw in #648
• chore: Missing .bundleignore by @patriknw in #650
• chore: fix link to graphical design repo by @beritou in #653
• docs: view query with more than one param by @aludwiko in #652
• docs: augmenting Akka Agentic Platform and Akka Automated Operations by @ennru in #654
• docs(concepts): add section heading by @beritou in #660
• docs: Getting started agent guide, part 3, 4, 5 by @patriknw in #656
• docs: Getting started agent guide, part 6 by @patriknw in #657
• docs: Learn more in getting started guide by @patriknw in #664
• chore: Update markdown in ask-akka-agent by @patriknw in #665
• docs: Clarify workflow docs by @patriknw in #658
• docs(concepts): cloud deployment product name by @beritou in #659
• chore: Refactoring of multi-agent sample, to match the getting started guide by @patriknw in #663
• docs: Include temperature-monitoring-agent in samples by @patriknw in #666
• docs: Changed heading to distributed-systems.adoc by @patriknw in #667
• chore: Update license change date for 3.4.0 by @patriknw in #669

Full Changelog: v3.3.2...v3.4.0