🤖 GitHub Copilot Integration

Bellini now surfaces GitHub Copilot directly in the editor experience.

• Added GitHub Copilot support.

• Show GitHub Copilot plan and credit usage in the status bar.

💬 Smarter, More Controllable AI Chat

Tool-call confirmations and chat context handling are now more interactive and configurable.

• Added interactive Allow/Deny controls directly in the tool-call renderer.

• Added persisted tool confirmation preferences.

• Added keyboard shortcuts for resolving the latest pending confirmation, plus a confirmation timeout and countdown.

• Reduced task tracking and todo chatter, and made search_services compact by default for a leaner chat experience.

• Expanded page- and component-agent context integration, including a hybrid response format for resource, page, and component examples.

📝 Plan Mode for the Bellini Agent

Agent workflows now support saving, editing, and reusing plans.

• Added Plan mode to the Bellini agent with persisted user plans and Edit-mode handoff.

• Added a markdown plan editor with synced preview for agent plans.

• Added a saved-plan picker in the Chat view for opening and deleting plans.

• Allowed saved plans to be added as chat context via the existing context picker.

🎨 Editor and Canvas Improvements

Developers get clearer feedback and smoother interaction across the editor.

• Reworked the login page design to match the current Lonti login page.

• Added a "View As" option to the Preview Mode header bar.

• Added left/right arrow key navigation between parent/child elements in the Elements Tree.

• Hardened core-component rendering against stray or unwanted children, and optimized heavy canvas redraws to prevent freezing.

🛠️ Stability and Quality Improvements

Bellini v1.31.0 resolves a wide range of issues affecting application development and deployment, including improvements to:

• Mobile app export and deployment notifications.

• Resource Search stability and API schema and reference generation.

• Source control branch checkout, page merging, and account reconnection.

• DateTime Picker positioning and validation.

• Table row pinning, virtual list performance, and popup progress dialogs.

• Elements Tree and Declarations drag-and-drop reliability.

With 25 bug fixes across the platform, Bellini v1.31.0 delivers a more stable and polished development experience alongside its AI Chat and Plan mode advancements.

• BLN-3567 - Add Plan mode to the Bellini agent with persisted user plans and Edit-mode handoff

• BLN-3568 - Add a markdown plan editor with synced preview for Bellini agent plans

• BLN-3569 - Add saved-plan picker in Chat view for opening and deleting Bellini agent plans

• BLN-3570 - Allow saved Bellini plans to be added as chat context via the existing context picker

• BLN-3574 - AI Chat: Preferences - persisted tool confirmation settings

• BLN-3575 - AI Chat: UI - interactive Allow/Deny in tool-call renderer

• BLN-3576 - AI Chat: (Stretch) Confirmation timeout and countdown

• BLN-3577 - AI Chat: (Stretch) Keyboard shortcuts for latest pending confirmation

• BLN-3689 - Add GitHub Copilot support

• BLN-3690 - Show GitHub Copilot plan and credit usage in the status bar

Improvements made:

• BLN-3535 - Chip list proposals should show on focus and optionally constrain accepted values

• BLN-3551 - Compact JSON Cleanup Pass

• BLN-3552 - Serve Page/Component Examples in Hybrid Format

• BLN-3553 - Component-Agent Context Integration

• BLN-3554 - get_resource_content Optional Hybrid Response Format

• BLN-3555 - Page-Agent Context Integration

• BLN-3556 - Prompt Updates and Guardrails (Read Path)

• BLN-3559 - Make search_services Compact-by-Default

• BLN-3560 - Reduce Task Tracking and Todo Chatter

• BLN-3561 - Split Bellini Example Tools into Search + Fetch

• BLN-3582 - Optimize heavy canvas redraws to prevent application freezing

• BLN-3586 - Harden core-component rendering so stray/unwanted children can't break the canvas

• BLN-3601 - Add layout-tree decoration for iterating elements

• BLN-3606 - Name validation errors don't explain why the name is invalid

• BLN-3607 - Rework "Import from Martini Workspaces" button in API modal (rename, reposition, lazy-load)

• BLN-3637 - Rich Text Editor inside Side Panel Layout cuts the link input

• BLN-3659 - Elements Tree: navigate between parent/child elements with left/right arrow keys

• BLN-3665 - Add "View As" option to the Preview Mode header bar

• BLN-3666 - Update built-in login page to reflect the current lonti login page design

• BLN-3680 - Show specific error details when commit and push fails

Bugs fixed:

• BLN-3532 - Elements Tree and Declarations drag-and-drop and keyboard move controls occasionally stop working until page reload

• BLN-3540 - Show Table Header is not respected when Row Pinning is enabled

• BLN-3541 - Performance: Editing a function makes Bellini unresponsive due to virtual list rendering

• BLN-3542 - Popup Progress Renders as Empty Dialog if triggered via $progress.show()

• BLN-3558 - Fix delegateToAgent Tool Result Leakage

• BLN-3563 - Pinned rows are duplicated when returning to the original page after pagination

• BLN-3564 - Pinning a row affects all duplicate row instances instead of only the selected row

• BLN-3565 - Preview runtime removes existing script elements during rebuild

• BLN-3581 - Elements unnecessarily focus and scroll when updating declarations

• BLN-3615 - Changing Any Property on modal component Adds an Extra Backdrop Element

• BLN-3617 - API operations are not populated after injecting an API in the Generate Form modal

• BLN-3618 - API.setServerUrl generates an incorrect injected API reference

• BLN-3619 - Incorrect highlighted target when drag and dropping button on Create a Simple App guided tour Step 6

• BLN-3621 - Concurrent page creation with the same name corrupts app pages on merge (duplicate/lost pages)

• BLN-3624 - Reconnecting a Source Control account results in inconsistent connection state

• BLN-3633 - Missing app resources after creating and checking out a new branch

• BLN-3634 - CSS files are moved outside their stylesheet subdirectories and Home page components are duplicated after creating and checking out a new branch

• BLN-3639 - DateTime Picker displays Invalid Date in Firefox

• BLN-3664 - DateTime Picker popup is positioned off-screen when the component is near the right edge of the canvas

• BLN-3670 - Deploy progress/status does not appear in notification panel until page reload

• BLN-3671 - Continuous Quick Resource Search requests can cause temporary service unavailability

• BLN-3672 - Lonti identity provider is not detected in OpenAPI 3.x API schemas

• BLN-3681 - Nested injected App Service declarations expose incorrect context menu actions

• BLN-3682 - Resource Search throws an error when an external module script is present

• BLN-3683 - iOS mobile app export gets stuck

🔐 Improved App Access User Experience

This release fixes an issue where users could load deployed Bellini apps on the same domain without having the required permissions. With this update, access tokens are now properly verified against the app being accessed, helping ensure that only authorized users can load the protected applications. Unauthorized users are now properly redirected to a 403 page.

• BLN-3668 - Deployed Bellini apps do not verify that the access token has access to the app — users can access apps on the same domain they are not authorized for

🛠️ Bug Fix

• Fix cannot open diff viewer for AI proposed changes of workflow file
  This fixes the issue where it was sometimes not possible to open the diff view for a workflow file changed by the Designer agent due to an error during loading. This is now fix and workflow file diff views can be opened from the AI Chat as usual.

• MIDE-2347 - Cannot sometimes open workflow file change diff from Chat view

Martini Designer v1.7.0 sharpens the day-to-day development experience with major improvements to AI-assisted workflows, better team collaboration, and expanded deployment support. This release is especially important for teams using GitHub Copilot, with improved integration that now gives Copilot Pro and Business users access to the full available model range directly within Martini Designer.

Powered by the embedded Martini Runtime 2.8.1, v1.7.0 continues to make Martini Designer faster, smarter, and more practical for modern enterprise development teams.

🤖 Stronger GitHub Copilot Integration

One of the biggest highlights in v1.7.0 is the improved GitHub Copilot integration.

Martini Designer now restores and strengthens Copilot support, including access to the full model range available under GitHub Copilot Pro and Business plans. This gives developers more flexibility in how they work with AI inside Designer, whether they want faster responses, stronger reasoning, or model choices better suited to specific development tasks.

For teams already investing in Copilot, this makes Martini Designer a more powerful and more seamless part of the AI-assisted development workflow.

🧠 Smarter AI-Assisted Workflow Development

This release also improves the Workflow Agent to make AI support more useful, more targeted, and more efficient in real development scenarios, including:

• Support for partially updating an existing workflow

• Improved mapping behavior, especially for array properties

• Clearer behavior for REST API operation handler workflows

• Better guidance for "isNullValue" handling in prompts

• Reduced over-eager follow-up behavior for exploratory requests

Behind the scenes, Martini Designer also reduces unnecessary context size and token usage across several agent flows, helping create a more focused and efficient AI experience overall.

👥 Better Collaboration for Teams

Martini Designer v1.7.0 adds multi-user Martini workspace support, making collaboration easier for teams working in shared environments.

Workflow review is also improved with support for viewing:

• Workflow configuration changes

• Workflow comments

These enhancements make it easier to understand changes, review updates, and maintain complex workflows with better visibility.

☁️ Expanded Deployment Support

This release adds Azure Pipelines support in the deployment wizard, giving teams more flexibility when integrating Martini applications into enterprise CI/CD processes.

That means easier alignment with Azure-based delivery pipelines and smoother deployment automation across environments.

⚡ Improved Developer Experience

A broad set of usability improvements helps reduce friction across the platform, including:

• Better organization of model tree context menu actions

• Subscription permission warnings in the license wizard

• Restored Markdown syntax highlighting in Martini Dark theme

🛠 Stability and Reliability Improvements

Martini Designer v1.7.0 also includes a wide range of fixes across installer behavior, memory usage, validation, workflow tooling, API export behavior, agent delegation, and follow-up save operations.

Together, these fixes deliver a more stable, polished, and dependable development experience across the platform.

• Version 2.8.1

Stories completed

• MIDE-2137 - Add support for azure pipelines in deployment wizard

• MIDE-2202 - Add support for workflow agent to partially update a workflow

• MIDE-2233 - Add support to view workflow configuration and comments in the workflow diff editor

Improvements made

• MIDE-1849 - Support multi-user Martini workspace

• MIDE-2199 - Improve instructions for isNullValue in workflow agent prompt

• MIDE-2200 - Improve how workflow agent create mappings for properties in array

• MIDE-2201 - Improve how workflow agent does mapping

• MIDE-2204 - Improve model tree context menu doesn't have the copy group of menu items on top

• MIDE-2222 - Clarify workflow-agent behavior for REST API operation handler workflows

• MIDE-2229 - Refactor workflow agent to use skills for rarely used trigger types to reduce system prompt size

• MIDE-2232 - Show subscription permission warning in license wizard when /availableSubscriptions marks a subscription as unavailable

• MIDE-2244 - Use compact workflow IO summaries instead of full workflow files when generating REST APIs

• MIDE-2245 - Trim HTTP request agent context handoff to avoid unnecessary workflow and API file content

• MIDE-2246 - Return compact save summaries from the REST API agent instead of full file content

• MIDE-2248 - Split workflow example retrieval into search and fetch tools

• MIDE-2250 - Reduce over-eager follow-up work for exploratory Designer agent prompts

• MIDE-2254 - Reduce token usage of search_function by returning compact candidates and fetching full function details explicitly

• MIDE-2265 - Fix missing Markdown syntax highlighting in Martini Dark theme

• MIDE-2310 - Fix copilot integration

Bugs fixed

• MIDE-1967 - Installer detects other java processes outside of Martini Designer

• MIDE-2178 - Memory leak in table component

• MIDE-2220 - Hide all Ask AI entry points when AI features are disabled

• MIDE-2231 - Handle console.lonti.com license generation error response when selected subscription has insufficient free vCPU

• MIDE-2257 - Update the following Kafka endpoint properties to be saved in the proper time unit

• MIDE-2259 - Validation errors in Email and Port fields when using placeholders

• MIDE-2262 - Run dialog input tree wraps long comments instead of truncating them

• MIDE-2270 - Enter key automatically inputs "Apply" in Choices configuration property editor

• MIDE-2271 - delegateToAgent tool return all the response contents as tool call result, including thinking messages

• MIDE-2273 - Agents with showInChat set to false cannot be used via the delegateToAgent tool

• MIDE-2303 - API Operation Summary does not execute undo operation

• MIDE-2309 - Exporting HTTP Request as a Service with returnAs set to Object sets it to GloopObject instead of Data Model Property

• MIDE-2311 - Workflow agent fails follow up mutation tool call after calling save file content tool

🤖 Smarter AI Agents with Expanded Skills and Context

AI capabilities continue to grow with new tools and skills that provide richer context and more accurate assistance across your applications.

• Introduced a reusable Skill framework, enabling AI agents to leverage specialized knowledge across Bellini.

• Added the App Service AI Agent, allowing AI to better understand and work with application services across supported agents.

• Expanded AI with numerous built-in skills, including support for:

  • Components such as Calendar, Table, Chart, List, Map, Rich Text Editor, Virtualized List, Chip List, Progress, Breadcrumbs, and Navigation.

  • Layouts including Accordion, Side Panel, Split Pane, Slide Layout, Layout Fragments, Nested Pages, and Page Scopes.

  • Services and platform features such as Notifications, Modal Service, Asset Usage, and GraphQL Schema Details.

• Added the GetSkillContent tool for retrieving skill knowledge during AI interactions.

• Introduced the Find Type Reference chat tool, enabling AI to resolve interface and type references from service methods and component properties.

• Added an Inspect Rendered Element troubleshooting tool for the Designer Agent to improve UI diagnostics.

• Improved AI prompts for component links, icons, dropdown menus, and form validation behavior for more reliable code generation.

💬 Better AI Chat Experience

Working with AI is now more natural and context-aware.

• Drag and drop project resources directly into the AI chat to instantly include them as context.

• Ported the AI Chat Todo List Renderer into Bellini for improved task visibility during AI-assisted workflows.

🎨 Enhanced UI Components and Customization

Developers now have greater flexibility when building applications.

• Added support for custom component icons.

• Introduced Validate on Load for both Range Input and Slider components.

• Added clear functionality and improved value change behavior for the Date-Time Picker.

• Organized built-in Bellini components into logical categories for easier navigation.

• Improved Global Wizard behavior by automatically creating wizard pages as child components.

• Added support for reordering styles and navigator entries for Global Components and their subcomponents.

• Enhanced the Layout Tree with labels that distinguish Core Components from HTML components.

• Enabled quick navigation to injected App Service functions directly from the Declarations panel.

⚡ Tailwind Migration Progress

Bellini v1.30.0 significantly advances the migration to Tailwind CSS.

This release migrates a large portion of Bellini's core components, layouts, and service styles—including Buttons, Forms, Tables, Charts, Navigation, Modals, Wizards, Notifications, Context Menus, Layouts, and many more—to Tailwind, creating a more consistent, modern, and maintainable styling foundation across the platform.

🚀 Performance, Reliability, and Developer Experience

Several improvements make Bellini faster, easier to use, and more dependable.

• Reduced unnecessary background page canvas reloads while editing shared components.

• Improved error logs and console messages for better troubleshooting and traceability.

• Enhanced security by moving Developer API token passwords into the request body during generation.

• Numerous workflow refinements improve overall productivity across the designer.

🛠 Stability and Quality Improvements

Bellini v1.30.0 resolves a wide range of issues affecting application development and deployment, including improvements to:

• AI editing behavior and generated content synchronization.

• Navigation, responsive layouts, and mobile menu behavior.

• App deployment, export/import, and Developer API workflows.

• Shared component rendering and page refresh reliability.

• Table rendering, form generation, and component templates.

• Marketplace search stability.

• Property editing, inline editors, declaration views, and overall usability.

• Dependency loading, code completion validation, and application runtime reliability.

With dozens of bug fixes across the platform, Bellini v1.30.0 delivers a more stable and polished development experience for both AI-assisted and traditional application development.

• BLN-2458 - Add support for setting custom component icon

• BLN-3424 - Create find_type_reference chat tool to resolve interface/type references from service methods and component properties

• BLN-3448 - Port AI Chat Todo List Renderer to Bellini

• BLN-3449 - Add Validate on Load property to Range Input component

• BLN-3450 - Add Validate on Load property to Slider component

• BLN-3451 - Add support for drag and dropping resources into the chat input to add them as context

• BLN-3470 - Implement Skill types, BuiltInSkillContribution, and DefaultSkillService

• BLN-3471 - Implement the GetSkillContent tool

• BLN-3516 - Add inspect-rendered-element troubleshooting tool for Designer agent

• BLN-3546 - Implement an app service AI agent and app-service usage support across Bellini agents

Improvements made:

• BLN-2643 - Remove unused required property for Slider component

• BLN-2694 - Add label on the layout tree view if the item is a core component or html component

• BLN-3312 - Migration Badge component to use tailwind

• BLN-3313 - Migration Breadcrumbs component to use tailwind

• BLN-3314 - Migration Progress component to use tailwind

• BLN-3315 - Migration Spinner component to use tailwind

• BLN-3316 - Migration Checkbox component to use tailwind

• BLN-3317 - Migration Chip List component to use tailwind

• BLN-3318 - Migration Date Time Picker component to use tailwind

• BLN-3319 - Migration Dropdown component to use tailwind

• BLN-3320 - Migration File Input component to use tailwind

• BLN-3321 - Migration Radio Button component to use tailwind

• BLN-3322 - Migration Range Input component to use tailwind

• BLN-3323 - Migration Rich Text Editor component to use tailwind

• BLN-3324 - Migration Slider component to use tailwind

• BLN-3325 - Migration Text Input component to use tailwind

• BLN-3326 - Migration Toggle component to use tailwind

• BLN-3327 - Migration Button component to use tailwind

• BLN-3328 - Migration Dropdown Menu component to use tailwind

• BLN-3329 - Migration Link component to use tailwind

• BLN-3330 - Migration Navigation component to use tailwind

• BLN-3331 - Migration Tab Bar component to use tailwind

• BLN-3332 - Migration Calendar component to use tailwind

• BLN-3333 - Migration Chart component to use tailwind

• BLN-3334 - Migration List component to use tailwind

• BLN-3335 - Migration Map component to use tailwind

• BLN-3336 - Migration Pagination component to use tailwind

• BLN-3337 - Migration Table component to use tailwind

• BLN-3338 - Migration Virtualized List component to use tailwind

• BLN-3381 - Migration Modal and Wizard custom component default styles to use tailwind

• BLN-3382 - Migration Context Menu service styles to use tailwind

• BLN-3383 - Migration Notification Manager service styles to use tailwind

• BLN-3398 - Add Clear Functionality to Date-Time Picker + Fix onValueChange Trigger

• BLN-3399 - Migration Accordion layout styles to use tailwind

• BLN-3400 - Migration Side Panel layout styles to use tailwind

• BLN-3401 - Migration Split Pane layout styles to use tailwind

• BLN-3425 - Improve agent prompt for link properties across core components

• BLN-3426 - Improve agent prompt for icon properties across core components

• BLN-3427 - Implement the calendar-component skill

• BLN-3428 - Improve agent prompt for form input validation message behavior

• BLN-3429 - Improve agent prompt for Dropdown Menu - Menu Items

• BLN-3431 - Implement the list-component skill

• BLN-3434 - Implement the notification-service skill

• BLN-3436 - Implement the navigation-component skill

• BLN-3446 - Organize built-in Bellini components by categories in the UI

• BLN-3447 - For global wizard modal components, create wizard pages as sub-components of the wizard component

• BLN-3468 - Allow reordering of styles and navigator for Global Components and its sub components

• BLN-3472 - Implement the table-component skill

• BLN-3473 - Implement the chart-component skill

• BLN-3474 - Implement the nested-pages skill

• BLN-3475 - Implement the page-scopes skill

• BLN-3476 - Implement the accordion-layout skill

• BLN-3477 - Implement the side-panel-layout skill

• BLN-3478 - Implement the slide-layout skill

• BLN-3479 - Implement the split-pane-layout skill

• BLN-3480 - Implement the layout-fragment-layout skill

• BLN-3481 - Implement the map-component skill

• BLN-3482 - Implement the rich-text-editor-component skill

• BLN-3483 - Implement the virtualized-list-component skill

• BLN-3484 - Implement the chip-list-component skill

• BLN-3485 - Implement the progress-component skill

• BLN-3486 - Implement the breadcrumbs-component skill

• BLN-3487 - Implement the graphql-schema-detail skill

• BLN-3488 - Implement the modal-service skill

• BLN-3489 - Avoid background page-canvas reloads when editing a shared component

• BLN-3491 - Improve usefulness and traceability of Bellini error logs and console messages

• BLN-3496 - Allow opening injected app service functions from the Declarations panel by double click

• BLN-3510 - Implement the asset-usage skill

• BLN-3528 - Secure Developer API token generation by moving password to request body

Bugs fixed:

• BLN-3266 - Modal undefined result after adding animation

• BLN-3271 - Find and Replace text displays vertically on hover

• BLN-3445 - Pressing [Enter] in the Element Classes modal automatically selects the first default class option

• BLN-3453 - Error message tooltip not visible on hover in Consume Swagger / OpenAPI modal

• BLN-3460 - App config agent opens the app config editor in dirty state after applying changes

• BLN-3461 - Ask AI generated description is not reflected in editor on initial load

• BLN-3462 - Edited chat messages always use Edit mode regardless of selected mode

• BLN-3465 - Navigation side panel expands to viewport height instead of navigation height in deployed apps/App Preview

• BLN-3467 - Unprocessable entity error during app deployment

• BLN-3494 - Page canvas does not refresh after service changes until manually reloaded

• BLN-3495 - Tree search filter resets after opening an item from search results in navigator-based panels

• BLN-3497 - Injected service declarations use gear icons instead of their actual declaration type icons

• BLN-3498 - Nested declarations in app service editor are not indented under their parent object

• BLN-3499 - Show Table Header property not re-evaluating

• BLN-3507 - Typing immediately after opening an inline editor triggers search instead of editing (Properties and Styles panels)

• BLN-3508 - Declaration modal focus jumps from Description to Name field on open

• BLN-3511 - Scripts from unreferenced sub-components are executed and logged in the console

• BLN-3514 - Code completion injection bypasses the circular dependency check

• BLN-3521 - Using an HTML/Component cell template on an array column throws Infinite Rerender Error

• BLN-3522 - Sibling Components are not showing on Component Dropdown in Column Cell Template

• BLN-3523 - Navigation menu does not automatically collapse on mobile view

• BLN-3524 - Range Input initializes to [1000, 1001] when min > 1000 instead of [min, max]

• BLN-3529 - Developer API: Deploy or export operations fail for branches that are created but never checked out

• BLN-3536 - Assets inside directories are missing after app export and import

• BLN-3537 - Marketplace search triggers 429 Too Many Requests when searching, clearing, and re-searching rapidly

• BLN-3547 - Module ‘ui.grid’ Is Not Available When No Table Exists on Home Page

• BLN-3580 - Dependency scripts of a core component were not being loaded when the component is only used on a non-default page

• BLN-3608 - Generate Form wizard produces empty form for request bodies whose schema omits ‘type’ (e.g. Martini-made REST APIs)