Changelog

This release expands Telescopo's native diagram support while refining file handling, search, and everyday Markdown workflows.

• Expanded Mermaid diagram support: Added Kanban, event modeling, donut charts, packet diagrams, Ishikawa/fishbone diagrams, block diagrams, XY charts, Sankey diagrams, treemaps, collapsible flowcharts, and new flowchart shapes, plus XY, ER, and C4 rendering enhancements.
• ZenUML sequence diagrams: Added native rendering for ZenUML, a compact notation for expressing calls, replies, loops, branches, and parallel interactions.
• Overhauled diagram insertion: Redesigned the Diagram Quick Insertion popover and context menu to make the expanded diagram library faster to browse and insert.
• Azure DevOps Mermaid support: Render :::mermaid and ::: mermaid diagrams in Reader, PDF previews, and exported PDFs.
• Telescopo Markdown file icon: Markdown documents now use a specialized Telescopo file icon in macOS.
• Native title-bar file behavior: Local documents now use native macOS represented-file behavior, including title-bar document navigation and Reveal in Finder.
• Find Again and Find Previous: Added ⌘G and ⇧⌘G shortcuts, with search terms remembered after dismissing Find.
• Reliable Setapp file opening: Fixed an issue where files opened from macOS could arrive before Setapp verification had finished.
• Link destination previews: Hover over links in Reader to see their destination filenames.

• Reliable onboarding: Fixed an issue that could cause the onboarding tour to repeat in some cases.
• Empty table parsing: Fixed an issue that could prevent empty Markdown tables from parsing correctly.
• Reader scroll synchronization: Corrected scrollbar synchronization in the Reader pane.
• Additional fixes and polish: Resolved other small issues and refined the overall experience.

This release delivers a major overhaul to Markdown editing and reading, with a particular focus on large documents, live previews, and split-view reliability.

• Faster editing for large documents: A new incremental editing and rendering system keeps typing responsive and previews current—even in book-length Markdown files.
• Smoother Editor and Reader synchronization: Scrolling, heading navigation, document updates, and switching between views remain accurately aligned without distracting jumps or jitter.
• Smarter Markdown editing: Automatic pairing and selection wrapping, improved list and task continuation, multiline indentation, and smart URL pasting make common writing tasks faster.
• More keyboard shortcuts: The Editor now includes many new shortcuts for formatting, inserting Markdown, and performing common writing actions without reaching for the mouse.
• Reliable Reader previews: Fixed previews occasionally becoming stale after rapid typing, snippet insertion, undo, redo, or editing in Editor-only mode.
• More reliable Mermaid rendering: Corrected parsing conflicts involving inline code and multiple backticks.
• Accurate syntax highlighting: Fixed highlighting becoming inaccurate after editing large documents.
• Consistent Reader and export alignment: Corrected heading spacing and top-of-document alignment in Reader, print, and PDF output.
• Fixed popover interactions: Hover and mouse cursor states now correctly reflect the controls inside popovers instead of the content behind them.

• Adaptive command bar: Switch between Reader, Editor, and Split views
• Expanded Markdown tools: New formatting and insertion controls
• Mermaid and LaTeX shortcuts: Quickly insert diagrams and math
• Flexible split layouts: Choose 40%, 50%, or 60% Editor widths with improved resizing
• Independent themes: Customize the application, Reader, and Editor separately
• View-aware search: ⌘F opens the appropriate search experience for the active Reader or Editor view
• Refreshed app experience: Redesigned Settings, menus, and onboarding
• Better large-document reliability: Improved file access, Editor stability, and responsiveness when working with larger Markdown documents

• Reliable financial notation: Fixed lines with multiple dollar amounts being incorrectly interpreted as LaTeX math in preview and PDF export
• Settings window fix: Fixed Telescopo > Settings occasionally showing a blank window
• Better file launching: Improved opening Markdown files while Telescopo is fully closed, including opening multiple files as tabs
• Improved first-run tour: Made onboarding shorter, clearer, centered, and easier to move through

• Cleaner file launches: Fixed welcome windows opening alongside files launched from Finder, the Dock, or external apps
• Export Mermaid diagrams: Save embedded diagrams from Markdown preview as SVG with a right-click
• Save preview images: Download embedded images from Markdown preview with a right-click
• Editor controls in preview: Open or close the Editor from the right-click menu
• AI Assistant access: Open the AI Assistant from the preview right-click menu

• Streamlined welcome screen: Made opening Markdown files clearer, faster, and more prominent
• Quicker Editor access: Open the Editor directly from the File menu
• Clearer Live Monitoring: Made monitoring easier to understand and control
• Improved Unicode navigation: Navigator works better with headings containing emoji or non-English characters
• Reliable Mermaid zoom: Diagram zoom continues working even when another diagram contains an error
• Better Spotlight discovery: Find Telescopo more easily with Markdown-related searches

• Reliable large-file rendering: Fixed some larger files getting stuck while rendering

Telescopo 7.0.0 introduced the Markdown Studio workspace for creating, editing, previewing, and exporting Markdown natively on macOS.

• Telescopo Markdown Studio: Added a full split-view Markdown editor with live preview, editor controls, insert tools, and a smoother document workflow
• Templates: Added 200+ Markdown starter templates across 12 categories, including planning, product work, engineering docs, finance, education, writing, and more
• iCloud: Added iCloud-first save defaults for new Telescopo Markdown Studio documents, plus settings sync across Macs through iCloud
• Live Monitoring: Added active file monitoring for Telescopo Markdown Studio. Open files can now update automatically while AI coding tools, agents, scripts, or other apps write changes on disk. Files can also be reloaded manually when needed
• Navigator: Added a Telescopo section navigator for jumping through long Markdown and code documents. Left and Right arrow shortcuts also move between headings
• Reading Width: Added width adjustment for more comfortable rendering on ultrawide and high-resolution monitors
• Readability & Contrast: Telescopo now includes Contrast Light and Contrast Dark themes. Mermaid diagrams are now theme-aware with Dark Mode and improved high-contrast support
• AI Assistant: Added support for summarizing and asking questions about the current document on supported Macs
• Markdown Rendering: Added richer Telescopo Markdown Studio rendering for Mermaid diagrams and LaTeX math inside Markdown files. Mermaid now handles more advanced diagrams, including annotated class diagrams
• Markdown Links: Improved support for local Markdown wiki links like [[document.md]], including opening neighboring Markdown files in new tabs when permission allows
• Diagram Viewing: Added a Mermaid diagram magnifier for inspecting dense diagrams without leaving the document
• LaTeX: Improved detection so financial documents with dollar amounts are less likely to be mistaken for math
• Themes: Added more themes, including premium and animated Markdown Telescopo Markdown Studio themes, with improved syntax highlighting pairings
• PDF Export: Improved Markdown PDF export with easier access from the Files workflow, plus support for rendered diagrams, math, themes, portrait, and landscape output
• Settings: Added more global customization options, including Mermaid diagram background customization
• Telescopo Interface: Refined toolbar and popovers for themes, zoom, editor settings, Navigator, AI Assistant, and Live Monitoring
• Access Experience: Refined feature and purchase messaging to make access options clearer without interrupting reading
• Legacy Access: Existing Pro customers continue to receive access to the paid Telescopo Markdown Studio features

• AI Assistant: AI Summarization is now Telescopo AI Assistant. Questions, brief summaries, and complex summaries for open documents and code now run faster while staying local and on-device
• PDF Export: Added a brand-new export flow with rich portrait and landscape preview, margin controls, and new output paper sizes
• Markdown: Expanded support for highlights, admonitions, footnotes, and true table of contents rendering
• Settings: Added global zoom sizing and global font preferences
• Performance: Audited and optimized Telescopo to significantly reduce CPU and memory consumption
• File Open: Improved the Command + O menu so files can open in new tabs or new windows, with support for opening multiple files at once
• File Associations: Telescopo can now be set as the default app for .md and .markdown files

• Minor performance polish and bug fixes following the 6.0 release

• Themes & Typography: Expanded to 30 reading themes, including high-contrast modes. Full support for all installed macOS fonts, including accessibility fonts
• UI Redesign: Completely redesigned reader toolbar - slimmer and less intrusive. Overhauled the welcome window
• Workflow: Added drag-and-drop support and expanded recent files to 25 items. New right-click menu for quick copy, translation, and on-device AI summaries
• Code Integration: Syntax highlighting now works seamlessly across standalone code files and inline Markdown code blocks
• Security & Rendering: Hardened Markdown rendering with stronger HTML sanitization. Improved checklist rendering and inline Mermaid/LaTeX stability
• Deprecation: Official support for macOS 14 removed

• Markdown Engine Rebuild: Custom heading IDs, wiki-links, definition lists, and admonition callouts
• Diagrams & Math: Rebuilt the Mermaid engine and integrated natively into Markdown. Native LaTeX math syntax support for hybrid documents
• Layout & Zoom: Rendered documents are now perfectly centered, code files remain left-justified. Fluid zoom from 25% to 500%
• Theme Engine: Rebuilt for speed. Readability enhancements to the animated "Cyberpunk" and "Bad Command" themes

• Core Animation: New foundation for richer, smoother document presentation
• Markdown Engine: Introduced a brand-new Markdown rendering engine as the foundation for future document features

• Minor bug fixes and performance polish

• UI Updates: Brand-new app icon and refined UI elements
• Liquid Glass Toolbar: Replaced the legacy reading bar with a unified toolbar using native macOS visual effects

• ePub Rendering: Complete overhaul - improved theming, scaling, and width adjustment
• SVG Rendering: Improved to adhere 100% to intended colors
• Theme Fixes: Fixed independent theming issue - system theme is now the default. Fixed font size issue in "Cyberpunk" theme for Markdown

• Preferences: Dedicated settings menu for theme defaults and AI Markdown Summarization preferences
• Dynamic Fonts: Expanded font adjustment to plaintext, code, JSON, logs, and more
• Width Adjustments: Overhauled width tool with standardized smaller margins for enhanced readability

• Fixed duplicate app window when opening files from Finder
• Fixed mixed remote and local images failing to render in Markdown and Mermaid
• Fixed UI bug causing the title to disappear from the toolbar

• Export: Print and Export to PDF now fully supports LaTeX, PlantUML, Mermaid, Markdown, and all syntax-highlighted code types

• Minor bug fixes and performance polish

• PDF Export: Implemented PDF export for rendered documents
• File Support: Enhanced support for ePub and code files
• Images: Added support for remote images

• Minor bug fixes and performance polish

• Rebrand: Officially renamed from "Smackdown: Markdown Viewer" to Telescopo
• Universal File Support: Expanded from a single-format viewer to a universal document viewer supporting 70+ formats - ePub, PDF, DOCX, RTF, CSV, JSON, YAML, Swift, Python, and more
• Native Diagrams: Zero-dependency rendering for Mermaid (flowcharts, sequence diagrams) and PlantUML
• Themes: Launched the first six handcrafted reading themes, including animated modes with dynamic gradients
• Navigation: Universal Search across all file formats with visual highlighting. Smart sidebar that automatically detects headers, chapters, pages, and functions

• Initial Release: Launched as "Smackdown - Markdown Viewer"
• Pure, fast .md file viewer focused on clean reading without text editor bloat