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Athéna AI Content Assistant – Changelog

  • 1.9.18 October 14th, 2026
    • New Feature: Added support for new Google Gemini model `gemini-4-argon`.
  • 1.9.17 October 14th, 2026
    • Enhancement: Backup model. Settings for text content now have "Gemini Backup Model" and "GPT Backup Model" selects (same models as the main model field). When a request to the main model fails (empty answer, invalid response, API error), the request is retried once with the backup model. Works for every feature that uses the text AI.
    • New Feature: Action `atheaico_backup_model_used` ( $primary_model, $backup_model, $error ) fires when the backup model answered, so other plugins can log it.
    • Fix: The Google handler did not read the selected Gemini model from the settings in 1.9.16 (the model was empty, so text requests went to `models/:generateContent` and failed). The configured Gemini model is used again.
    • Enhancement: The Google handler accepts an optional `$args` array in `generate_completion()`; `google_search` enables Google Search grounding (used by integrations that need up-to-date data). Search requests get a 120 s timeout.
  • 1.9.16 October 5th, 2026
    • New Feature: Added support for OpenAI's new GPT Image model family (`gpt-image-2.5-sunburst`, `gpt-image-2.5-flare`, `gpt-image-2`, `gpt-image-1.5`, `gpt-image-1`, `gpt-image-1-mini`, `chatgpt-image-latest`).
    • Enhancement: emoved deprecated DALL-E models (`dall-e-2`, `dall-e-3`) with automatic fallback to `gpt-image-2.5-sunburst`.
    • Enhancement: Removed discontinued Imagen 4 models and warnings from Google image generation, standardizing on `gemini-3.1-flash-image` with automatic fallback.
    • Enhancement:
    • Enhancement: Cleaned up image provider and model labels across admin settings.
    • Fix: Resolved `Unknown parameter: 'response_format'` error by properly handling direct base64 image responses from GPT Image models.
  • 1.9.15 September 9th, 2026
    • New Feature: Added support for new Google Gemini model `gemini-3.8-flash`.
    • Enhancement: Core optimizations.
  • 1.9.14 August 16th, 2026
    • Fix: Fixed Gutenberg excerpt generation not saving or updating the excerpt field in the post state and sidebar.
    • Fix: Prevented AI action toolbox in Block and Classic editors from inserting unwanted `

      ` wrapper tags around rewritten inline text.

    • Enhancement: Verified compatibility with WordPress 7.1.
  • 1.9.13 August 14th, 2026
    • New Feature: Added support for new Google Gemini model `gemini-3.7-flash`.
  • 1.9.12 July 25th, 2026
    • New Feature: Added support for new Google Gemini model `gemini-3.6-flash`.
    • New Feature: Added support for OpenAI's new Frontier models (`gpt-5.6-sol`, `gpt-5.6-terra`, `gpt-5.6-luna`, `gpt-5.5`, and `gpt-5.5-pro`).
  • 1.9.11 June 24th, 2026
    • Fix: Migrated Google image generation models from deprecated Imagen 4 to Gemini 3.1 Flash Image.
    • Enhancement: Updated API requests to support the `:generateContent` endpoint and `imageConfig` payload format for Gemini 3.1 Flash Image.
    • Enhancement: Added deprecation warning for legacy Imagen models in the admin settings.
  • 1.9.10 May 25th, 2026
    • Fix: Universal TinyMCE support for any target ID (ensures content insertion works in WooCommerce excerpts and other TinyMCE fields).
    • Enhancement: Improved content retrieval and insertion logic for custom meta boxes.
    • Enhancement: Added support for new Google Gemini versions: `gemini-3.1-flash-lite` and `gemini-3.5-flash`.
    • New Feature: Verified compatibility with WordPress 7.0.
  • 1.9.9 April 4th, 2026
    • New Feature: Premium Revision & History UI (Modern design, NOW badges, version numbering).
    • New Feature: Added "Clear Versions" action to remove all AI revisions while preserving the Original content.
    • New Feature: Added "Remove Version" to delete specific revisions from history.
    • New Feature: Integrated "Copy Prompt" with clipboard support for all history items.
    • New Feature: Smart pagination for history: initially shows 3 items with a "Show more" button.
    • Enhancement: Revisions now record and display the AI model that generated the content.
    • Enhancement: Redesigned the loading bar for a more premium experience.
    • Enhancement: Improved support for Premium Add-on plugin Quick Prompts.
  • 1.9.8 April 1st, 2026
    • New Feature: Added support for latest GPT models (GPT-5.4 series, GPT-5 series, GPT-4.1).
    • Enhancement: Removed legacy/unsupported GPT models and implemented automatic fallback to gpt-5.4-mini.
    • New Feature: Integrated **Web Search** functionality for GPT models (can be toggled in settings).
  • 1.9.7 February 25th, 2026
    • New Feature: Added support for Google Gemini 3.1 Pro Preview model.
  • 1.9.6 February 8th, 2026
    • New Feature: Added settings for Sidebar AI Chat (Enable/Disable, Custom Position, Edge Offset).
  • 1.9.5 February 7th, 2026
    • New Feature: Added a powerful Sidebar AI Chat assistant to the core plugin.
    • Fix: Security fixes.
  • 1.9.4 December 19th, 2025
    • New Feature: Added a polite review request notice (appears after 3 days of usage).
    • Enhancement: Improved Excerpt generation workflow. You can now generate an excerpt with one click (without typing a prompt) if "Use main content as context" is checked.
    • Fix: Resolved an issue where Excerpt generation wasn't receiving the full article content as context.
  • 1.9.3 December 18th, 2025
    • New Feature: Added support for Google Gemini 3 Flash Preview model.
  • 1.9.2 December 15th, 2025
    • Fix: Resolved an issue where `get_ai_handler()` could return an uninitialized value, causing errors in add-on modules like ACF Expander.
  • 1.9.1 December 13th, 2025
    • Enhancement: Introduced `atheaico_settings_sanitize` filter to allow add-ons (such as text-to-speech) to hook into the settings sanitization process.
  • 1.9 December 5th, 2025
    • New Feature: Added support for Google AI (Imagen models) for image generation, providing an alternative to OpenAI's DALL-E.
    • New Feature: You can now select your preferred image generation provider (OpenAI or Google) in the settings.
    • Enhancement: The AI command box now displays the currently active image model alongside the text model.
  • 1.8 November 28th, 2025
    • New Feature: AI Image Generation (DALL-E 2/3 Support)
    • New Feature: Generate a "Featured Image" directly from the editor sidebar. The AI automatically uses the post's title and content for context.
    • New Feature: Added an option for a "Custom Prompt" for image generation, allowing for precise control over the output.
    • New Feature: Added an "Improve Prompt" button that uses AI to refine your custom image descriptions for better results.
    • New Feature: Added a new "AI Action" to the editor toolbar: "Add image before content", which opens a modal to generate and insert an image directly into your text.
    • New Feature: The main command box can now generate images within the content by using a placeholder system.
    • New Feature: Added settings for image aspect ratio and artistic style for both featured images and in-content images.
    • Enhancement: Redesigned the plugin settings page for improved clarity and user experience.
    • Enhancement: Improved AI system prompt to better understand contextual commands (e.g., add, modify, replace) without replacing the entire content.
    • Enhancement: Improved content formatting for both Gutenberg and the Classic Editor (TinyMCE) to prevent empty paragraphs and ensure clean HTML.
  • 1.7 November 26th, 2025
    • New Feature: Added full support for the Gutenberg Block Editor.
    • New Feature: Introduced "AI Actions" toolbar for both Classic (TinyMCE) and Gutenberg editors.
  • 1.6 November 23rd, 2025
    • Major Refactoring: All premium modules have been converted into standalone plugins. This improves modularity, simplifies installation, and aligns with WordPress best practices.
    • Enhancement: Removed shared functions from the core plugin that are now located within their respective add-on plugins.
    • Enhancement: Standardized function prefixes and text domains across all plugins for better code quality and to prevent conflicts.
    • Enhancement: Updated all `readme.txt` files to the new standalone plugin format.
  • 1.5.2 November 21st, 2025
    • Enhancement: Added support for the new `gemini-3-pro-preview` model from Google AI.
    • Enhancement: Set `gemini-3-pro-preview` as the default Gemini model.
  • 1.5.1 November 18th, 2025
    • Enhancement: General code optimization and refactoring to improve performance and adhere to WordPress coding standards.
    • Enhancement: Replaced hardcoded script with standard `wp_enqueue_script` for better dependency management.
    • Fix: Addressed PHPCS warnings related to input sanitization in the license handling logic.
  • 1.5 November 17th, 2025
    • New Feature: Added AI command console support for the 'Excerpt' field when the 'Post & CPT Expander' module is active.
    • Enhancement: Implemented specific AI prompting for Excerpt generation to ensure unformatted, single-paragraph output.
    • Enhancement: Refactored 'Quick Commands' module to support multiple instances on a single page, allowing quick commands to be used with both main content and excerpt AI consoles.
    • Fix: Resolved issues with history display and saving for both main content and excerpt command consoles.
    • Fix: Corrected an issue where 'Quick Commands' module was not displaying due to updated HTML IDs.
    • Fix: Ensured proper history saving and loading for the 'Excerpt' field by correcting REST API endpoint logic.
    • Fix: Corrected meta box registration logic in 'Post & CPT Expander' to prevent duplicate meta boxes and ensure correct display.
    • Fix: Updated `uninstall.php` to correctly remove excerpt history data.
  • 1.4 November 14th, 2025
    • Major Refactoring: Complete internal renaming of all functions, classes, hooks, and database options to use the `athena_ai_` prefix. This improves code consistency and prevents conflicts with other plugins.
    • Fix: Corrected an issue where some premium modules were not appearing on the license page after the initial renaming.
    • Fix: Resolved a REST API routing error that occurred after the renaming.
  • 1.3 November 7th, 2025
    • New Feature: Added support for the "ACF Expander" module, which brings AI command functionality directly into ACF Text, Textarea, and WYSIWYG fields.
    • Enhancement: The ACF Expander includes advanced context options, allowing the AI to use the full page content or selectively chosen fields as context for generation.
    • Enhancement: Improved module loading logic in the core plugin.
  • 1.2 November 3rd, 2025
    • New Feature: Added support for Google AI (Gemini models) as an alternative to OpenAI.
    • New Feature: Added a settings field to select the desired AI provider (OpenAI or Google AI).
    • Enhancement: The AI command box now displays the name of the currently active model.
  • 1.1 October 30th, 2025
    • Enhancement: Updated plugin name and slug to `Athena AI Content Assistant` for WordPress.org compliance.
    • Fix: Updated the list of available GPT models to reflect current OpenAI offerings.
    • Enhancement: Added a direct link to the OpenAI API keys page in the plugin settings.
  • 1.0 October 10th, 2025
    • New Feature: Initial release.