Version 2.13.9: Polska Hamster

• Add support for the new, default Ropsten Test Network.
• Fix bug that would cause MetaMask to occasionally lose its StreamProvider connection and drop requests.

Version 2.13.8: Faithful Serpent

• Show a warning when a transaction fails during simulation.
• Fix bug where 20% of gas estimate was not being added properly.
• Render error messages in confirmation screen more gracefully.

Version 2.13.7: Quarky Popper

• Fix bug where gas estimate would sometimes be very high.
• Changed our gas estimate from 100k gas to 20% of estimate.
• Fix github link on info page to point at current repository.

Version 2.13.6: Subatomic Hopaker

Combining the changelog from the releases since the last version:

• Add a check for improper Transaction data.
• Now nicknaming new accounts "Account #" instead of "Wallet #" for clarity.
• Fix bug where custom provider selection could show duplicate items.
• Fix bug where connecting to a local morden node would make two providers appear selected.
• Fix bug that was sometimes preventing transactions from being sent.
• Increase default max gas to 100000 over the RPC's estimateGas response.
• Fix bug where slow-loading dapps would sometimes trigger infinite reload loops.
• Add custom transaction fee field to send form.
• Fix bug where web3 was being injected into XML files.
• Fix bug where changing network would not reload current Dapps.
• Fix bug where log queries were filtered out.
• Decreased vault confirmation button font size to help some Linux users who could not see it.
• Made popup a little taller because it would sometimes cut off buttons.
• Fix bug where long account lists would get scrunched instead of scrolling.
• Add legal information to relevant pages.
• Rename UI elements to be more consistent with one another.
• Updated Terms of Service and Usage.
• Prompt users to re-agree to the Terms of Service when they are updated.

Version 2.13.2: Tiny Dancer

• Add Parity compatibility, fixing Geth dependency issues.
• Add "Buy Ether" button to tx confirmation screen when sender balance is insufficient.
• Fix bug where chosen FIAT exchange rate does no persist when switching networks
• Fix additional parameters that made MetaMask sometimes receive errors from Parity.
• Fix bug where invalid transactions would still open the MetaMask popup.
• Fix a bug with estimating gas on Parity
• Show loading indication when selecting ShapeShift as purchasing method.
• Add a link to the transaction in history that goes to https://metamask.github.io/eth-tx-viz
  too help visualize transactions and to where they are going.

Version 2.12.1

• Fixed bug where if you send a transaction from within MetaMask extension the
  popup notification opens up.
• Fixed bug where some tx errors would block subsequent txs until the plugin was refreshed.

Version 2.12.0

• Add a QR button to the Account detail screen
• Fixed bug where opening MetaMask could close a non-metamask popup.
• Fixed memory leak that caused occasional crashes.
• Fixed bug where some tx errors would block subsequent txs until the plugin was refreshed.

Version 2.11.1

• Fix bug that prevented caches from being cleared in Opera.

That's it, this was the one-liner for Opera compatibility. Sleep well!

Version 2.11.0

• Fix bug where pending transactions from Test net (or other networks) show up In Main net.
• Add fiat conversion values to more views.
• On fresh install, open a new tab with the MetaMask Introduction video. Does not open on update.
• Block negative values from transactions.
• Fixed a memory leak.
• MetaMask logo now renders as super lightweight SVG, improving compatibility and performance.
• Now showing loading indication during vault unlocking, to clarify behavior for users who are experience slow unlocks.
• Now only initially creates one wallet when restoring a vault, to reduce some users' confusion.
• Adopted new eth-lightwallet security release to ensure encrypted vaults are salted for extra safety.

Versions 2.10.2

• Fix bug where notification popup would not display.