CloudCusp Mailer — Changelog
CRM · Email Marketing · Push Notifications — WordPress Plugin
Current Release · v1.0.6.16
- NewVisual journey builder with 12 new trigger nodes including cart abandonment, browse behavior and tag added.
- NewBounce handling now supports SRS (Sender Rewriting Scheme) for forwarded-mail bounce routing.
- NewDark mode added across all admin pages with persistent preference storage.
- ImprovedCampaign analytics dashboard redesigned with real-time stats and per-link click heatmaps.
- ImprovedEmail template editor now supports 40+ merge tags including conditional content blocks.
- ImprovedDatabase queries optimized, reducing list-load time by 35% on contacts above 500k.
- ImprovedGDPR consent checkbox added to all subscription forms with double opt-in support.
- FixedScheduled campaigns skipping recipients in certain timezone edge cases around DST transitions.
- FixedDuplicate contact creation on CSV import when emails contained mixed-case characters.
- FixedREST API rate limit not applying to webhook endpoints registered after plugin activation.
- SecurityPatched reflected XSS in the template preview iframe sandbox attribute.
- NewMulti-step opt-in forms with progress indicator and conditional steps based on user input.
- NewWebhook events for contact lifecycle changes — created, updated, merged, suppressed, deleted.
- NewTag-based automation workflows triggered by manual or rule-based tag assignment.
- NewCampaign preview across 30+ email clients including Gmail, Outlook, Apple Mail and Yahoo.
- ImprovedContact segmentation engine rewritten for performance — 4x faster on lists over 1M contacts.
- ImprovedEmail open tracking now respects the browser Do-Not-Track header to honor user privacy.
- ImprovedImport wizard now handles 1M+ contacts without timeout using background chunked processing.
- ImprovedPush notification icons now support SVG format with automatic PNG fallback for legacy browsers.
- FixedMemory leak in long-running cron jobs processing large automation workflow queues.
- FixedSMTP connection timeout not respected in some hosting configurations causing hung workers.
- FixedAttachment upload failing for files larger than 8MB on nginx configurations.
- FixedPHP 8.2 deprecation warnings in the logger when passing null to
strlen(). - SecurityHardened nonce verification on all AJAX endpoints handling subscriber data mutations.
- NewPredictive send-time optimization using a lightweight ML model trained on subscriber engagement.
- NewUnified inbox for CRM conversations aggregating email replies, push clicks and form submissions.
- NewCustom field types added — date picker, multi-select, JSON blob and radio group.
- NewSubscriber scoring based on engagement signals — opens, clicks, conversions and bounces.
- NewZapier integration via secure webhook bridge with 20+ pre-built Zaps in the marketplace.
- ImprovedDrag-and-drop email builder rebuilt with 60+ blocks and responsive column layouts.
- ImprovedReporting API now returns JSON-LD format for easier third-party analytics ingestion.
- ImprovedEmail rendering performance improved by 45% by lazy-loading remote images on preview.
- ImprovedSwitched from WP-Cron to Action Scheduler for reliable background processing on all hosts.
- FixedUnsubscribes not syncing with external ESP when subscriber was on multiple lists.
- FixedGeolocation data not storing for push subscribers behind Cloudflare proxy.
- FixedRTL layout issues in campaign builder causing toolbar buttons to overlap on Hebrew admin.
- SecurityPatched stored XSS in template name field rendered without escaping on the list view.
- NewReal-time campaign analytics via WebSockets — live opens and clicks without page refresh.
- NewSMS marketing channel added with native Twilio integration and click-tracking short links.
- NewRe-engagement campaign templates library with 12 proven, conversion-tested flows.
- NewRole-based access control for campaign management — granular per-role and per-list permissions.
- NewAPI key management with scope permissions — read-only, send, manage contacts, manage templates.
- ImprovedContact import now supports XLSX format alongside CSV with column mapping presets.
- ImprovedEmail subject A/B testing with statistical significance calculation and auto-winner rollout.
- ImprovedDatabase indexing improved for large lists — subscriber lookup now uses covering indexes.
- FixedQueued emails not retrying on transient SMTP failures — retry backoff strategy now in place.
- FixedPush tokens expiring without cleanup, causing bloat in the subscriber device table.
- FixedDuplicate suppression list entries when importing the same file multiple times.
- FixedFatal error on PHP 8.3 due to dynamic property access on the SMTP client class.
- SecurityCSRF tokens added to all admin forms in addition to existing WordPress nonces.
- NewHeatmap analytics for email link clicks with overlay visualization on the email preview.
- NewConversion tracking with UTM auto-tagging — every campaign link tagged automatically.
- NewLifecycle stage automation workflows — lead, MQL, SQL, customer, churned with stage transitions.
- NewSubscriber preference center — self-service frequency, channel and topic preferences.
- ImprovedPush notification scheduling with timezone awareness — deliver at 9 AM local subscriber time.
- ImprovedTemplate library expanded with 50+ responsive designs across 8 industry verticals.
- ImprovedCampaign archive page now fully responsive and SEO-friendly with schema.org markup.
- FixedMultipart emails rendering as raw HTML in some older Outlook versions due to boundary mismatch.
- FixedContact merge duplicates not respecting the primary email when multiple sources were involved.
- FixedSMTP authentication failing with Office365 OAuth due to token refresh race condition.
- FixedWebhook retry policy not honoring exponential backoff, causing upstream rate-limit bans.
- SecuritySanitized output in campaign archive shortcode to prevent HTML injection via template fields.
- NewGeo-targeted push notifications — segment and deliver by country, region or city.
- NewEmail accessibility checker validating WCAG 2.1 AA — alt text, contrast, link text and more.
- NewCart abandonment automation for WooCommerce with configurable delay and reminder sequence.
- NewContact timeline view aggregating all interactions — emails, pushes, opens, clicks and notes.
- NewSubscription form analytics dashboard — views, conversions, conversion rate and drop-off points.
- ImprovedCampaign scheduling calendar view with drag-to-reschedule and multi-campaign overlap warnings.
- ImprovedEmail preview text (preheader) now customizable separately from the email body.
- ImprovedAPI documentation expanded with copy-paste examples in cURL, PHP, Python and Node.js.
- FixedSuppressed contacts receiving emails in edge cases when removed from suppression via API.
- FixedImage upload not working on multisite installations due to blog_id path resolution.
- FixedConflict with popular caching plugins causing stale subscriber counts on dashboard widget.
- FixedPush notifications not delivering on Chrome Android when FCM legacy API was deprecated.
- SecurityEscaped all dynamic data in admin notices to prevent reflected XSS via GET parameters.
- NewEmail client rendering previews via Litmus integration — see how your email looks in 40+ clients.
- NewBehavioral triggers for automation workflows — page visit, URL clicked, time-on-site thresholds.
- NewSuppressing contacts via API with reason tracking and re-activation safeguards.
- NewCampaign tagging and filtering system for organizing campaigns by team, client or quarter.
- NewWhite-label option for agencies — replace branding, hide plugin meta and customize emails.
- ImprovedReporting dashboard with custom date ranges and comparison against previous period.
- ImprovedEmail sending speed throttling per provider to avoid hitting Gmail and Outlook hourly caps.
- ImprovedPush notification segmentation now supports nested AND/OR conditions with up to 5 levels.
- FixedImports with special characters in names failing silently when database collation mismatched.
- FixedUnsubscribe links not encoding properly when campaign subject contained ampersands.
- FixedFatal error when WPML plugin was active due to shared filter hook name collision.
- FixedWP-Cron not firing on hosts with disabled internal cron — fallback to Action Scheduler added.
- SecurityAdded rate limiting to public REST endpoints to prevent enumeration of subscriber data.
- NewVisual automation flow builder with branching, delays, conditions and parallel paths.
- NewDynamic content blocks in emails — show different content per segment within a single campaign.
- NewSubscription form embed via shortcode and Gutenberg block with multiple layout presets.
- NewCampaign comparison reports — side-by-side metrics across up to 5 campaigns at once.
- NewRSS-to-email campaign type — automatically send digests of new posts on a schedule.
- ImprovedContact profile with custom fields, tags, notes, and full interaction history in one view.
- ImprovedEmail template compatibility with Outlook — VML fallbacks for buttons and background images.
- ImprovedBounce processing with detailed SMTP codes — soft, hard, transient, challenge-response.
- FixedSome emojis breaking email subjects on Gmail due to unencoded UTF-8 in MIME headers.
- FixedPush notification click tracking missing UTM parameters on the destination URL.
- FixedSQL injection vector in contact search when sorting by arbitrary column names.
- FixedTime zone handling for scheduled campaigns when site timezone differed from UTC offset.
- SecurityParameterized all database queries — removed the last raw SQL concatenations in legacy code.
- NewMulti-channel messaging — orchestrate email, push and SMS within a single automation workflow.
- NewLead scoring with custom rules engine — points per action, decay over time and tier thresholds.
- NewEmail template versioning system with one-click rollback to any previous saved version.
- NewAudience segmentation builder with 20+ conditions and saved segment presets.
- NewEmail template marketplace — browse, preview and import community-contributed designs.
- ImprovedSubscriber list management with bulk actions, drag-to-select and inline editing.
- ImprovedPerformance improvements for large databases — paginated queries use keyset pagination.
- ImprovedPush notification delivery receipts now captured and displayed per device in the subscriber view.
- FixedAttachments corrupted in transit when SMTP server used 8BITMIME extension unexpectedly.
- FixedWebhook delivery not signed properly — HMAC-SHA256 signature now included in headers.
- FixedWP Rocket cache conflict on settings page causing outdated tab content to display.
- FixedPHP warning on PHP 7.4 due to nullable type declaration not supported in older runtimes.
- SecuritySigned all outbound webhook payloads with HMAC-SHA256 to prevent tampering and spoofing.
- NewPush notification rich media support — attach images, GIFs and short videos to web pushes.
- NewEmail personalization with conditional content blocks based on subscriber attributes.
- NewEmail automation drip campaigns with configurable delays, branching and exit conditions.
- NewSubscriber activity feed aggregating every touchpoint — opens, clicks, bounces, form fills.
- NewMarketing calendar view showing all scheduled campaigns across channels in one timeline.
- ImprovedCampaign reporting with exportable PDF summaries — branded and ready to share with clients.
- ImprovedSMTP connection pooling reduces TLS handshake overhead by 60% on high-volume sends.
- ImprovedAPI responses now include rate limit headers —
X-RateLimit-RemainingandRetry-After. - FixedQueued items stuck in pending state when Action Scheduler database table was corrupted.
- FixedContact import not validating email format strictly — RFC-compliant validation now enforced.
- FixedXSS vulnerability in campaign name when displayed on the public archive page without escaping.
- FixedConflict with Elementor editor — campaign block was loading inside the editor iframe.
- SecurityAdded capability checks on all admin AJAX actions to prevent privilege escalation.
- NewWooCommerce integration for abandoned cart recovery emails with dynamic product blocks.
- NewContact Form 7 integration — every form submission creates or updates a CRM contact.
- NewEmail subject line tester scoring length, spam-words, personalization and emoji usage.
- NewTrigger-based push notifications — fire on WooCommerce events, post publish or custom hooks.
- NewCampaign performance benchmarks — compare your open and click rates against industry averages.
- ImprovedEmail template responsive design — all 30+ built-in templates now fully mobile-optimized.
- ImprovedDatabase schema optimized — composite indexes added for the most common query patterns.
- ImprovedEmail tracking pixel performance — lazy-loaded and beacon API for non-blocking requests.
- FixedSent campaigns couldn’t be duplicated due to a foreign key constraint on the template table.
- FixedPush notifications not registering on Safari due to missing APNs certificate bundle.
- FixedMultisite network activation issues — tables now created per-site with proper blog_id prefix.
- FixedFatal error with PHP 8.0 due to passing null to
str_replace()in the merge-tag parser. - SecurityAdded WordPress nonce to all subscription form submissions to prevent CSRF-based signups.
- NewEmail list segmentation with 15+ conditions — engagement, geography, custom fields and tags.
- NewPush notification categories — let subscribers choose which topics they want to receive.
- NewCustom unsubscribe pages with branding, feedback form and confirmation messaging.
- NewEmail template drag-and-drop builder with rows, columns, social blocks and buttons.
- NewSubscriber engagement scoring — points for opens, clicks and conversions with decay over time.
- ImprovedCampaign analytics with interactive charts — opens, clicks, bounces and unsubscribes over time.
- ImprovedContact import performance — chunked processing handles 100k contacts in under 60 seconds.
- ImprovedAPI request logging with searchable history and per-key usage statistics.
- FixedUnsubscribe wasn’t immediate — up to 5 minute delay due to object cache not being invalidated.
- FixedEmail rendering issues in Gmail — table-based layouts now use proper inline CSS inlining.
- FixedPHP warning on PHP 7.3 due to trailing comma in function call not supported in older versions.
- FixedScheduled time not respecting site timezone — campaigns sent at UTC instead of local time.
- SecuritySanitized all subscriber metadata on output to prevent stored XSS in admin screens.
- NewWeb push notifications support for Chrome, Firefox, Edge and Safari with VAPID keys.
- NewEmail automation workflows — welcome series, anniversary triggers and date-based campaigns.
- NewEmail tracking — opens, clicks, geo location, device and email client breakdown.
- NewSubscriber import via CSV with column mapping and duplicate-handling strategies.
- NewCampaign scheduling with timezone-aware delivery and quiet-hours enforcement.
- ImprovedContact management interface with bulk actions, search filters and inline editing.
- ImprovedSMTP configuration wizard with auto-detection of common providers — Gmail, SendGrid, Mailgun.
- ImprovedEmail template management — categories, tags and full-text search across all templates.
- FixedSome emails marked as spam due to missing
Reply-ToandList-Unsubscribeheaders. - FixedBounced emails not being marked in the contact record, causing repeat sends to dead addresses.
- FixedIssue with WP cron reliability on hosts that disable internal cron — external cron fallback added.
- FixedXSS vulnerability in subscriber notes field rendered without escaping on the profile page.
- SecurityAdded Content-Security-Policy headers to admin pages to mitigate XSS and injection risks.
- NewEmail marketing module added — create, schedule and send campaigns to any subscriber list.
- NewContact management with tags, custom fields and full-text search across all subscriber data.
- NewEmail template library with 12 responsive designs covering newsletters, promos and welcome emails.
- NewSubscriber forms with shortcode embedding and configurable fields and styling.
- NewBasic email campaign sending with test mode, scheduling and recipient list selection.
- ImprovedAdmin dashboard redesigned with quick stats, recent campaigns and pending tasks widgets.
- ImprovedSettings page organization — tabbed interface with sections for SMTP, push, API and integrations.
- ImprovedPerformance optimizations — lazy-loaded subscriber lists and deferred JavaScript on admin pages.
- FixedPlugin activation errors on fresh WordPress installations due to missing capability checks.
- FixedDatabase tables not creating on some hosts with strict MySQL mode — schema now compatibility-safe.
- FixedPHP notice on activation when
wp_get_current_user()was called before init hook. - FixedConflict with Yoast SEO on the admin bar menu — priority adjusted to avoid duplicate menus.
- SecurityFoundation security — nonces, capability checks and input sanitization across all admin forms.
- NewInitial public release of CloudCusp Mailer — CRM, email marketing and push notifications in one plugin.
- NewCRM module with contact management, custom fields, tags and notes.
- NewBasic email marketing functionality — plain text and HTML email composition and delivery.
- NewAdmin interface with dashboard showing subscriber count, campaigns sent and engagement stats.
- NewSubscriber management — add, edit, import, export and suppress contacts.
- NewEmail template editor with HTML source view and live preview pane.
- NewSMTP configuration with support for TLS, SSL, custom ports and authentication.
- NewBasic campaign reporting — sent, delivered, opens, clicks and bounces.
- ImprovedInitial database schema designed for scale — indexed columns, soft deletes and audit timestamps.
- ImprovedWordPress integration — uses native APIs for cron, options, capabilities and database layer.
- ImprovedSecurity foundations — nonces on all forms, capability checks and prepared SQL statements.
- ImprovedSettings framework with tabs, sections, fields and validation callbacks.
- ImprovedBasic REST API endpoints for contacts, lists and campaigns with API key authentication.
- ImprovedMultisite compatibility — works on both single-site and network installations.
- NewInitial development release of CloudCusp Mailer — basic CRM and email marketing functionality.
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