Changelog

Every update to Telescopo, documented.

7.0.0

Latest
  • Markdown: New support for ==highlighting==, footnotes, and table of contents generation
  • Themes: Refined animated themes with improved visuals and better readability across all styles
  • AI Assistant: The AI Summarizer is now a full conversational AI Assistant — ask questions about any document, entirely on-device and private
  • PDF Export: Faster exports with a streamlined workflow — no print dialog required
  • Settings: Reorganized and simplified the Settings menu

6.0.2

  • Minor performance polish and bug fixes following the 6.0 release

6.0.1

  • 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

5.1.0

  • 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

4.0.1

  • Telescopo Pro: Introduced the optional one-time $29.99 Pro tier for advanced rendering — PlantUML, ePub, complex LaTeX, and SVG
  • 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

3.4.1

  • 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

3.4.0

  • 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

3.3.0

  • 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

3.2.0

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

2.0.0

Major Release
  • 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

1.x.x

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