1.8.4

• Improvement: automatic optimization is delayed further, it now happens after the image original data is stored in the database. This new process should be more reliable.
• Improvement: compatibility with wordpress.com.
• Improvement: some wording and typos in the plan suggestion tool.
• Improvement: improved wording and added a link to a new documentation entry for the case when no php extension are available for image manipulation.
• Improvement: prevent plugins from accidentally overwriting the header containing the API key when contacting our servers.
• Bug Fix: the handle in the original/optimized image comparator was a bit shy, but after some personal work it should stick to the cursor hopefully.
• Bug Fix: a php notice in the WP Retina 2x compatibility code.
• Bug Fix: handle a specific error case when contacting our servers fails.