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4.81v
1. Notable changes since 4.80v
- One-time proactive chat invitations: new DB table `lh_abstract_proactive_chat_invitation_one_time` tracks which visitors have already seen an invitation, preventing repeat displays.
- Proactive invitations: cleanup logic added for stale one-time invitation records; widget now records when a one-time invitation is shown; edit module enhanced with custom actions for proactive invitations.
- Captcha: added provider-based captcha support — Google reCAPTCHA v3 and Cloudflare Turnstile are now both supported with a shared validation layer (`CaptchaValidator`, `erLhcoreClassUserValidator`).
- Captcha admin UI: provider selector with provider-specific field sections; shared key labels across providers; CSRF redirect fix.
- Translation system: UX improvements for automatic translations; operator and visitor message translation differentiated; messages with existing translations are now skipped; translation configuration UI updated.
- Bot/Widget: custom HTML buttons and bot buttons are now disabled when a form is in progress status; alert messages added; placeholder for name field in widget start form.
- Editor: fixed infinite loop issue in the new rich-text editor (LHCEditor).
- Dashboard: removed legacy old dashboard; cleaned up related options and switch logic.
- Security/permissions: added permission access checks in block user, hold action, transfer chat, and chat widget closed flows.
- PHP 8.5 compatibility: resolved deprecation and compatibility issues.
- Translations: updated translation catalogs including new captcha-related and translation-workflow keys.
2. Summary
- This release introduces one-time proactive chat invitations, a flexible multi-provider captcha system, and several translation workflow improvements.
- Includes editor stability fixes, dashboard cleanup, PHP 8.5 compatibility, and stricter permission checks across chat action endpoints.
execute doc/update_db/update_348.sql for update
4.80v
1. Notable changes since 4.79v
- Message content protection: added language-specific warning message support for ghosting/masking rules.
- UI (back office): redesigned message protection warning editor with multilingual tabs and per-language message fields.
- Runtime masking: warning text can now be translated by chat locale (full locale and short locale fallback).
- Data/model layer: added `languages` persistence support in `lh_abstract_msg_protection` model/POS mapping.
- Frontend cleanup: simplified multilingual tab content rendering in Svelte component used by admin forms.
2. Summary
- This release extends message protection rules with localized warning messages and wires the full stack (DB, model, UI, and runtime locale resolution).
execute doc/update_db/update_347.sql for update
4.78v
1. Notable changes since 4.77v
- Bot: support for bot short name.
- Message masking: mask last message from visitor.
- Webhooks/Conditions: support additional comparison variables and accept all params for condition checks.
- Events: included more information for main chat attributes change event.
- Debugging: added debug message handling inside chat messages.
- Guardrails: added whitelist support for phone guardrails.
- Misc: small typo fixes.
2. Summary
- Improvements across bot, webhooks, and message masking to increase reliability and observability.
- Several small bug fixes and developer-facing debug improvements.
execute doc/update_db/update_345.sql for update
4.77v
1. Features
- Add Auto-Submitted header to mail actions (automatic mail handling improvements).
- Chat messages preview modal with backend support for message previews.
- Chat widget updates: improved integration with third-party iframes, scroll-to-last-message on show, and refactor of widget internals.
- Migration and build updates: Svelte 5 migration, Node 22 (bot/node) updates, and package upgrades.
2. Fixes
- Do not mark our own responses as undelivered (prevents false undelivered status).
- Ignore auto-submitted e-mails as new to avoid duplicate imports.
- Fixes for issues reported (e.g. #2359, #2357) and improved error logging (#2347).
- Various UI/UX fixes: React parsing issue, height flickering, trigger body object support, and trimmed/encoded URLs.
- Mail handling: do not set custom from-email unless explicitly provided; set custom recipient handling improvements.
3. Performance & Reliability
- Avoid loading/fetching message bodies when not required (reduce unnecessary DB/IO work).
- Use static version cache for assets and additional cache improvements.
- Check and respect rfc822 body presence before processing.
4. Compatibility & UX
- Support for older browsers and related compatibility fallbacks.
- UX improvements for canned messages dropdown and related interactions.
5. Chore/Dependencies
- Dependency and package updates across frontend and backend (React/Node/bot tooling and other packages).
- Miscellaneous maintenance: hashed payload handling, migration tweaks, and merge/cleanup commits.
execute doc/update_db/update_344.sql for update
4.76v
1. Mail Conversation System Enhancements
- Added pending import functionality for mail import retries with automatic retry mechanism
- New `lhc_mailconv_pending_import` table for tracking failed mail imports
- Manual import interface for retrying failed email imports
- Improved IMAP retry logic for handling temporary failures
2. Message Masking and Security
- Added message ghosting for sensitive information protection when guardrails are enabled
- Operators without permission to see full messages will not see just-sent messages
- Enhanced regex rules with optional name field and optional replacement variable
- Additional masking options for PII protection
- Improved guardrails validation for sensitive information
3. Widget Theme Configuration
- Added `wtop` option for widget position from top spacing control
- Enhanced widget positioning options for better layout flexibility
4. Tab Navigation and UX
- Improved tab state persistence for chats and mails
- Direct API implementation for remembering tab states
- Enhanced tab navigation across multiple interfaces
5. Pre-chat Form Conditions
- Added conditions support for maintenance mode in pre-chat forms
- Enhanced validator logic for conditional maintenance mode display
6. Developer Documentation
- Comprehensive copilot instructions reorganization
- Added detailed integration points documentation
- New data flows, testing strategies, and security model documentation
- Domain-specific guides for API, auth, bot, caching, config, data-layer, departments, events, extensions, routing, UI, and users
7. Bug Fixes and Improvements
- Improved error handling for robustness and better user experience
- Enhanced cache management and clearing functionality
- Various sync and performance improvements
execute doc/update_db/update_343.sql for update