• Added — Numeric indexing on Collections: {{ posts[0].title }}, {{ featured[2].author.email }}.
• Added — Arbitrary expressions inside bracket access: {{ posts[loop.index] }}, {{ items[i + 1].title }}, {{ map[user.role] }}.
• Added — Editor placeholders for {{ post.* }} when no post is in context (FSE templates).
• Added — Conditional HTML attributes via null: disabled="{{ cond ? true : null }}" omits the attribute.
• Added — WooCommerce product fields expanded (attributes, variations, shipping, tax, sale dates, catalog visibility, etc.); product_variation exposes the same fields as product.

Expressions​

• Added — Numeric indexing on Collections: {{ posts[0].title }}, {{ featured[2].author.email }}.
• Added — Arbitrary expressions inside bracket access: {{ posts[loop.index] }}, {{ items[i + 1].title }}, {{ map[user.role] }}.
• Added — Conditional HTML attributes via null: disabled="{{ cond ? true : null }}" omits the attribute.
• Added — Chainable excerpt builder: {{ post.excerpt.length(50).end('…').read_more('More') }}.
• Added — Chainable comments thread: {{ post.comments.order('DESC') }} (email and IP stripped).
• Added — Comparisons on post.type, post.category, etc.: {% if post.type == 'page' %}.
• Added — image.ID, image.post_title, image.post_parent, etc. resolve through the underlying post.
• Added — get_taxonomy(slug) function for taxonomy labels: {{ get_taxonomy('category').label }}.
• Improved — Filter + comparison patterns ({{ x|filter == y }}) now parse as expected.
• Improved — post.parent, post.next, post.prev return false when absent; image.width, image.height return null when metadata is missing.
• Fixed — Adjacent {{ }} placeholders ({{ a }}{{ b }}) silently returning only the first value.
• Fixed — {{ post.* }} outside a loop now resolves to the current page (was the first post in the main loop).
• Fixed — {{ site.option('date_format') }} returning empty due to a callback signature mismatch.
• Fixed — {{ image.status }} and {{ attachment.status }} throwing a fatal error.
• Removed — User accessor methods login, first_name, last_name, nickname, description, logged_in (use user.meta('first_name') and user.is_current); post.status (use post.post_status).

Loops & Variables​

• Fixed — Loop on an expression variable returning null or empty no longer renders a phantom iteration.
• Fixed — Nested loops over the same post Collection no longer trigger PHP warnings or render the wrong item.
• Fixed — Loop alias resolution when iterating a Variable Block Collection ({% for item in featured %}).
• Fixed — Variable Block storing an object ({% set x = post %}) — chained access {{ x.title }} now works.

Editor​

• Added — Editor placeholders for {{ post.* }} when no post is in context (FSE templates).
• Fixed — Block inspector missing Attributes and Styles panels for descendants of an empty loop.

WooCommerce​

• Added — Product fields expanded (attributes, variations, shipping, tax, sale dates, catalog visibility, etc.); product_variation exposes the same fields as product.
• Changed — Price, stock, and rating fields mirror native return types (null instead of '').

• Added — Inline data:image/* URIs (PNG, JPEG, GIF, WebP, AVIF, SVG) on <img>, <video poster>, <source>, and <track>.
• Added — Editors and Authors can now use Unblock without manage_options. Settings moved to a dedicated unblock/v1/settings REST endpoint, filterable via unblock/settings/can_read and unblock/settings/can_write.
• Fixed — SVG content and expression operators (>, <) preserved on save.
• Fixed — Twig expressions ({{ ... }}) in block content no longer corrupted on save.
• Fixed — SVG attribute casing (viewBox, preserveAspectRatio, etc.) and MathML's definitionURL preserved on save.

Editor​

• Added — Inline data:image/* URIs on <img>, <video poster>, <source>, and <track>.
• Added — Editors and Authors can now use Unblock without manage_options. Settings moved to a dedicated unblock/v1/settings REST endpoint, filterable via unblock/settings/can_read and unblock/settings/can_write.
• Fixed — SVG content and expression operators (>, <) preserved on save.
• Fixed — Twig expressions ({{ ... }}) in block content no longer corrupted on save.
• Fixed — SVG attribute casing (viewBox, preserveAspectRatio, etc.) and MathML's definitionURL preserved on save.
• Fixed — Stale block output with persistent object cache (Redis/Memcached).
• Improved — Block sanitization covers all WordPress save paths.
• Improved — MathML definitionURL rejects javascript:, data:, and vbscript: schemes at render.

AI​

• Added — Clearer AI chat empty and error states (assistant unavailable, missing provider, localized error actions).
• Fixed — AI chat compatibility with OpenAI reasoning models (o1, o3, o4-mini, gpt-5) and parallel tool calls.

License​

• Fixed — License popover stuck on activation form for lifetime licenses.
• Improved — License REST route uses the standard permission pattern.

• Fixed — CSS selector normalizer mangling spaces around * and combinators inside parentheses (e.g., :has(~ * iframe)).
• Fixed — HTML attributes always rendered in lowercase, breaking case-sensitive SVG attributes like viewBox.
• Improved — Attributes panel normalizes attribute names on blur (lowercase + SVG case correction per HTML5 spec).

Editor​

• Fixed — CSS selector normalizer mangling spaces around * and combinators inside parentheses (e.g., :has(~ * iframe)).
• Fixed — HTML attributes always rendered in lowercase, breaking case-sensitive SVG attributes like viewBox.
• Improved — Attributes panel normalizes attribute names on blur (lowercase + SVG case correction per HTML5 spec).

• Added — Temperature control in AI chat — presets (Precise, Balanced, Creative) with per-agent defaults and unblock/ai/temperature filter.
• Added — unblock/form/send_email filter to skip the default email notification (for CRM/webhook integrations).
• Added — Form ID support via data-unbk-form attribute value, accessible through $context->form_id().
• Improved — CSS import directives now work inside nested at-rules (@media, @supports, etc.).
• Improved — CSS importer clears the code editor after import and auto-selects the first parsed item.

Forms​

• Added — unblock/form/send_email filter to skip the default email notification (for CRM/webhook integrations).
• Added — Form ID support via data-unbk-form attribute value, accessible through $context->form_id().
• Fixed — Form email sent despite errors added by unblock/form/processed hooks (missing pipeline error check).

AI​

• Added — Temperature control in AI chat — presets (Precise, Balanced, Creative) with per-agent defaults and unblock/ai/temperature filter.
• Fixed — MCP session disconnected and lost when closing and reopening the AI chat sidebar.

CSS Importer​

• Improved — CSS import directives now work inside nested at-rules (@media, @supports, etc.).
• Improved — CSS importer clears the code editor after import and auto-selects the first parsed item.
• Fixed — CSS import directives not matching collection names containing spaces or special characters.
• Fixed — CSS import collection directive not applied to scoped variable selectors (e.g., .dark, .btn--md).
• Fixed — CSS import merging scoped variable collections with the same selector but different directive names.
• Fixed — CSS import multiple :root blocks merged into one, breaking directive-based collection assignment.

CSS​

• Fixed — CSS variables not rendered when their collection has an empty selector.
• Fixed — CSS variables not grouped when collection selectors differ only by whitespace.
• Fixed — CSS variables with the same name duplicated within the same group instead of last value winning.
• Fixed — At-rules without a required token (@view-transition, @page) not rendered in generated CSS.

Editor​

• Fixed — Custom CSS selectors (tag, combinator, attribute) lost on save when saving directly from the HTML inspector without blurring first.
• Fixed — HTML inspector desync when typing immediately after a previous edit was applied to the canvas.
• Fixed — Save button staying active after save when the post contains non-persistent block changes (e.g., matched CSS selectors).
• Fixed — HTML inspector replacing all HTML losing previous root element attributes instead of clearing them.
• Fixed — TreeView focus ring persisting on stale items after external data changes.

• Fixed — CSS sanitizer bypassed via obfuscation vectors (comment splitting, CSS escape sequences, whitespace injection).
• Fixed — PostQuery with post_type => 'any' exposing non-viewable (private) post types to unauthorized users.
• Fixed — Empty timestamp token bypassing anti-spam validation with a silent return instead of an error.
• Fixed — Audit skills (accessibility, SEO) now keep tools available so models use the function calling API instead of hallucinating raw tool call tags in chat output.
• Fixed — Clicking an anchor with a #fragment href in the editor scrolling to the target section instead of being suppressed.
• Fixed — HTML inspector edits occasionally not syncing to the block when typing soon after a previous edit was applied.
• Fixed — Non-width @media queries (prefers-reduced-motion, prefers-color-scheme, hover) breaking the device switch by displaying incorrect icons and being auto-selected as default. Moved to the at-rules dropdown instead.

• Fixed — AI chat skill dropdown not opening when typing / after a newline.
• Fixed — AI chat skill selection via click not removing the / command text from the input.
• Fixed — AI chat skill selection removing text after the / command instead of preserving it.

• Fixed — AI image generation errors silently swallowed instead of shown in the chat UI.
• Fixed — AI image generation failing with Google provider due to unsupported aspectRatio param.

• Added — Key argument to request get and post providers for direct parameter access.
• Added — Twig loop variable in loops: index, index0, revindex, revindex0, first, last, length.
• Added — CSS importer collection directive to organize imports into named collections.
• Added — AI prompt support for CSS collection directive and existing CSS reuse guidelines.
• Improved — CSS importer with two-mode UI: Parse CSS to review categorized tree, then import.
• Improved — CSS importer tree with selection preview, item deletion, and filtered import.

Dynamic Data​

• Added — Key argument to request get and post providers for direct parameter access.
• Added — Twig loop variable in loops: index, index0, revindex, revindex0, first, last, length.
• Fixed — Loop block inspector placeholder showing "products" instead of "posts" for query name.
• Fixed — Loop block inspector placeholder showing "author" instead of "user" for user query alias.
• Fixed — Variable block inspector placeholder showing "products" instead of "posts" for variable name.

AI​

• Added — AI prompt support for CSS collection directive and existing CSS reuse guidelines.
• Improved — AI CSS guidelines with unified directives reference (scope, editor, collection).

CSS Importer​

• Added — CSS importer collection directive to organize imports into named collections.
• Improved — CSS importer with two-mode UI: Parse CSS to review categorized tree, then import.
• Improved — CSS importer tree with selection preview, item deletion, and filtered import.
• Improved — CSS importer preserves directive metadata through the full parse/review/import pipeline.
• Improved — CSS importer reorders entities by collection after import, keeping uncategorized last.
• Fixed — CSS importer directives (scope, editor) lost during tree-based import.
• Fixed — CSS importer duplicating selectors instead of merging when directive scope differs.

Editor​

• Fixed — Combobox dropdown showing empty 1px border when no options match.
• Fixed — Combobox error when accessing last item index on empty filtered options.
• Fixed — Auto-rename tag not working in HTML inspector after language switch to Twig.
• Fixed — Segmented control layout breaking in some component contexts due to flex override.

• Fixed — MCP bridge idempotency guard preventing double-applied mutations on AI retries.

• Added — Form submission with REST endpoint, anti-spam protection, and email delivery.
• Added — Image preview thumbnails in AI chat stream loader.
• Updated — MCP session UI with tooltips, updated icons, and styling.
• Updated — Translations: add ai-chat to JSON map, translate new strings, use _n() for plurals.
• Improved — Scope editor fallback CSS to only global and block-referenced selectors instead of all selectors.
• Improved — Remove confirm dialog when switching AI agents.

Forms​

• Added — Form submission with REST endpoint, anti-spam protection, and email delivery.

AI Assistant​

• Added — Image preview thumbnails in AI chat stream loader.
• Improved — Remove confirm dialog when switching AI agents.
• Fixed — AI chat crash when font families store returns null.

MCP Bridge​

• Updated — MCP session UI with tooltips, updated icons, and styling.
• Fixed — MCP session deregister using correct REST URL and POST method override.

Editor​

• Improved — Scope editor fallback CSS to only global and block-referenced selectors instead of all selectors.
• Fixed — Editor fallback CSS persisting when switching to template editing mode within the post editor.
• Fixed — Prevent label click from focusing associated input in editor.
• Fixed — Iframe not rendering on first mount by switching to srcdoc.
• Fixed — Block editor interactions: prevent native drag, click jumps, and WP outline conflicts.

Infrastructure​

• Updated — Translations: add ai-chat to JSON map, translate new strings, use _n() for plurals.
• Updated — Prefix license transients with plugin slug and update uninstall cleanup.
• Updated — Skip empty public/ folder in plugin zip packaging.

• Added — AI chat sidebar with SSE streaming and tool system.
• Added — MCP server integration with SSE-based bridge for external AI tools.
• Added — Twig-compatible expression parser with filters, operators, and functions.
• Added — Loop block with query system and pagination.
• Added — CSS comment directives for global scope selectors.
• Added — License SDK with external key support.

AI Assistant​

• Added — AI chat sidebar with SSE streaming and tool system.
• Added — AI agents and skills system with extensible WordPress filters.
• Added — AI tools: insert, replace, move, remove blocks, update content/attributes/scripts, create styles.
• Added — AI snapshot undo/restore system for reverting AI changes.
• Added — AI image generation and attachment support with WebP optimization.
• Added — AI Google Fonts installation from chat.
• Added — AI inline block script system for generated JavaScript.
• Improved — AI prompt system for quality, consistency, and multi-model support.

MCP Bridge​

• Added — MCP server integration with SSE-based bridge for external AI tools.
• Added — MCP session management with auto-reconnect.

Dynamic Data​

• Added — Twig-compatible expression parser with filters, operators, and functions.
• Added — Data providers: Post, Site, Request, Image, Collection, and more.
• Added — Loop block with query system and pagination.
• Added — Variable block for reusable queries and expressions.
• Added — Dynamic data resolution in editor with batched API.
• Added — Twig control structures and condition system in HTML inspector.
• Improved — Data resolution system for reliability and performance.

CSS & Styling​

• Added — CSS comment directives for global scope selectors.
• Added — Editor visibility toggle for CSS selectors.
• Added — ContentStyles attribute for non-block element CSS matching.
• Added — Custom Twig syntax highlighting for CodeMirror.
• Improved — CSS importer performance and undo for large stylesheets.
• Fixed — CSS rule insertion when index exceeds sheet length.
• Fixed — CSS variables rendering issues.

Editor​

• Added — Per-block editor toggle for JS script execution.
• Improved — Block rendering cache with context support.
• Improved — PHP performance optimizations.
• Fixed — Block operations in template-locked mode.

Infrastructure​

• Added — License SDK with external key support.
• Added — Integrated fonts manager replacing font library modal.
• Added — GitHub Actions release workflow.
• Added — Comprehensive test suites (PHP 850 tests, JS 482 tests).
• Added — Security hardening with capability-based expression restrictions.
• Added — Custom field integration bootstrap for ACF, MetaBox, Pods, and JetEngine.
• Fixed — XSS in escape filters and expression restriction bypasses.