0.3

• Replaced Markdown processor pegdown with commonmark-java
  and flexmark-java, which are much faster and implement the CommonMark specification.
  flexmark-java is always used in the editor for syntax highlighting.
  The preview can use commonmark-java or [flexmark-java](switchable in the toolbar).
• Redesigned main window UI (modern flat look).
• Removed the tabs "Preview", "HTML Source" and "Markdown AST" from the bottom
  of the preview. Instead added actions to "View" menu and toolbar (at the right side).
• Possibility to hide the Preview (deselect toggle button in toolbar).
• Quickly enable/disable markdown extensions with popover window from toolbar.
• Syntax highlighting improved.
• Use monospaced font in editor.
• Increase/decrease editor font size with Ctrl++/Ctrl+-. Reset with Ctrl+0.
• Configurable editor font family and size in Options dialog.
• Configurable Markdown filename extensions in Options dialog (fixes #2).
• Support *.svg in image chooser dialog.
• RichTextFX updated to version 0.7-M2.

Requirements: Java 8. Does not run with Java 9 or later.

0.2

• RichTextFX (and dependencies) updated to versoin 0.6.10 (fixes bugs and memory leaks).
• pegdown Markdown parser updated to version 1.6.
• Added five new pegdown 1.6 extension flags to Markdown Options tab.
• Minor improvements.

Requirements: Java 8. Does not run with Java 9 or later.

0.1

Initial release

Requirements: Java 8. Does not run with Java 9 or later.