What's new in 1.5.3:
• HTML and source files now show a real thumbnail of their content in your library
• More consistent previews for CSV, JSON, XML and Markdown
• Create a folder in one tap on the Files tab, and find Wi-Fi Transfer under Tools
• A shorter first-run intro, with Samples one tap from the home screen
• Safer handling of special characters in titles and file content
• More accurate file type and MIME detection for local projects and remote imports