Here are the release notes:

Cosmetics

  • New app icon.
  • Updated retina artwork.
  • Easier to see mouse cursor.

Bugfixes

  • Prompt text properly clears when resizing window.
  • Fixed Yosemite glitches.

Here are the release notes:

Changes

  • New app icon.
  • Text can be scaled 50% smaller.
  • Slider for font zoom.
  • Prompt text properly clears when resizing.
  • Connections with no passwords now work.

Here are the release notes:

iPhone 6

  • Support for native resolutions on the iPhone 6 and iPhone 6 Plus.
  • New @3x icons.
  • More iOS 8 fixes.

Here are the release notes:

Security

  • Password and passphrase saving is now optional.
  • Authentication can be handled at connect time.

Terminal

  • Alternate buffers for preserving state between shells and fullscreen programs.
  • Fixed a line wrapping bug in tmux and other programs.
  • Cursor hiding sequences now work.

Colors

  • Bold colors are brighter.
  • Dark grey text is no longer invisible.

Other

  • Fixed a crash that could occur when selecting empty lines.