New Features * #3586422 Allow multimodal embeddings in Embeddings API Explorer * #3582179 Add streaming-aware guardrails that can buffer and evaluate content in real-time using start/stop regex patterns * #3585233 Dispatch AiExceptionEvent and allow subscribers to replace the response (graceful failover) * #3577937 Create JS form editor for the default information tools * #3574169 Configure AI content suggestion settings for different entity types Tasks * #3584852 Replace haiku system prompt test with banana test in patch testing docs * #3568219 Add documentation about how to add images to documentation * #3585690 Add Guardrails support to AI Automators * #3586450 Add SECURITY.md to project root * #3578472 Document how update hooks should be named Bugs * #3580767 Use UTF-8 safe functions when summarizing request messages * #3582739 TypeError while creating database * #3580935 Fix #config_target support for the ai_provider_configuration element * #3586391 Fix php stan empty.offset in field_widget_actions submodule * #3586421 Use interface in type hint of FileMimeTypeTrait * #3586423 Drupal\Tests\field_widget_actions\FunctionalJavascript\FieldWidgetActionsUiTest fails * #3586390 The order of hostname filter, causes the tool result to not be overridable * #3586433 AgentRunner sets the wrong configuration * #3586397 AI settings form fails to load when allowed_hosts is an empty string * #3580690 RegexpGuardrail::processOutput() unconditionally returns a PassResult without ever running the configured regex pattern against the AI output text * #3586434 Describe in testing documentation to build JS assets * #3575845 Client Challenge * #3586448 Add ChatWithPdf capability to AiModelCapability enum * #3586459 Create Video Recording for AiPromptElementTest and fix potential issues Contributors: breidert, a.dmitriiev, jan kellermann, harivansh, marcus_johansson, svendecabooter, abhisekmazumdar, b_sharpe, akhil babu, robloach, sapnil_biswas, unqunq, ahmad khader, ahmad-khalil-imagex, jucs7, debdeep.mukhopadhyay, avinash.jha, ajv009, joshua1234511, bbruno, emma horrell, angela saldaña, punamshelke, tushar1, erichomanchuk