All notable changes to this project will be documented in this file. This project adheres to Semantic Versioning.

• Implement a dynamic finish page.
• Display nicer error dialog when reading an invalid image.

• Prevent drive from getting re-mounted in macOS even when the unmount on success setting is enabled.
• Fix ECONNRESET and ECONNREFUSED errors when checking for updates on unstable connections.
• Fix application stuck at "Starting..." on Windows.
• Fix error on startup when Windows username contained an ampersand.

• Fix various elevation issues on Windows
• Treat unknown images as octet stream
• Fix uncaught errors when cancelling elevation requests on Windows when the system's language is not English.

• Fix "Unmount failed" on Windows where the PC is connected to network drives.
• Various fixes for when drive descriptions contain special characters.

• Show a friendly user message on EIO after many retries.
• Show user friendly messages for EBUSY, read and EBUSY, write errors on macOS.

• Show a user friendly message when the drive is unplugged half-way through.
• Fix "UNKNOWN: unknown error" error when unplugging an SD Card from an internal reader on Windows.
• Fix "function createError(opts) {}" error on validation failure.
• Fix "Unmount failed, invalid drive" error on Windows.
• Fix Apple disk image detection & streaming.

• Improve error reporting accuracy.

• Display a user error if the image is no longer accessible when the writer starts.
• Prevent uncaught EISDIR when dropping a directory to the application.
• Fix "Path must be a string. Received undefined" when selecting Apple images.
• Don't interpret certain ISO images as unsupported.

• Add support for Apple Disk images.
• Add the un-truncated drive description to the selected drive step tooltip.
• Prevent flashing an image that is larger than the drive with the CLI.

• Prevent progress button percentage to exceed 100%.
• Don't print stack traces by default in the CLI.
• Prevent blank application when sending SIGINT on GNU/Linux and macOS.
• Fix unmounting freezing in macOS.
• Fix GNU/Linux udev error when net.ifnames is set.
• Fix ENOSPC image alignment errors.
• Fix errors when unplugging drives exactly when the drive scanning scripts are running.
• Fix several unmount related issues in all platforms.
• Fix "rawr i'm a dinosaur" bzip2 error.

• Make errors more user friendly throughout the application.
• Don't report "invalid archive" errors to TrackJS.
• Stop drive scanning loop if an error occurs.
• Don't include user paths in Mixpanel analytics events.
• Provide a user friendly error message when no polkit authentication agent is available on the system.
• Show friendly drive name instead of device name in the main screen.
• Start reporting errors to Sentry instead of to TrackJS.

• Show warning when user tries to flash a Windows image
• Update the image step icon with an hexagonal "plus" icon.
• Update main page design to its new style.
• Swap the order of the drive and image selection steps.

• Fix transformRequest error at startup when not connected to the internet, or when on an unstable connection.
• Prevent flashing the drive where the source image is located.
• Fix text overflowing on tooltips.
• Don't ignore errors coming from the Windows drive detection script.
• Omit empty SD Card readers in the drive selector on Windows.
• Fix "Error: Command Failed" error when unmounting on Windows.
• Fix duplicate error messages on some errors.
• Fix 'MySQL' is not recognised as an internal or external command error on Windows.
• Ignore stderr output from drive detection scripts if they exit with code zero.

• Improve validation error message.
• Emit an analytics event on ENOSPC.
• Normalize button text casing.
• Don't auto select system drives in unsafe mode.
• Use a OS dialog to show the "exit while flashing" warning.
• Capitalize every text throughout the application.

• Improve Etcher CLI error messages.
• Replace the --robot CLI option with an ETCHER_CLI_ROBOT environment variable.
• Sort supported extensions alphabetically in the image file-picker.
• Label system drives in the drive-list widget.
• Show available Etcher version in the update notifier.
• Confirm before user quits while writing.
• Add a changelog link to the update notifier modal.
• Make the image file picker attach to the main window (as a real modal).

• Fix alignment of single call to action buttons inside modals.
• Fix "Invalid message" error caused by the IPC client emitting multiple JSON objects as a single message.
• Fix "This key is already associated with an element of this collection" error when multiple partitions point to the same drive letter on Windows.
• Fix system drives detected as removable drives on Mac Mini.
• Fix sporadic "EIO: i/o error, read" errors during validation.
• Fix "EIO: i/o error, write" error.

• Fix command line arguments not interpreted correctly when running the CLI with a custom named NodeJS binary.
• Wrap drive names and descriptions in the drive selector widget.
• Allow the user to press ESC to cancel a modal dialog.
• Fix "Can't set the flashing state when not flashing" error.
• Fix writing process remaining alive after the GUI is closed.
• Check available permissions in the CLI early on.
• Fix this.log is not a function error when clicking "flash again".
• Fix duplicate drives in Windows.
• Fix drive scanning exceptions on GNU/Linux systems with net.ifnames enabled.
• Fix 0x80131700 error when scanning drives on Windows.
• Fix internal SDCard drive descriptions.
• Fix unmount issues in GNU/Linux and OS X when paths contain spaces.
• Fix "Not Enough Space" error when flashing unaligned images.
• Fix at least one volume could not be unmounted error in OS X.

• Use info icon instead of "SHOW FULL FILE NAME" in first step.
• Display image path base name as a tooltip on truncated image name.
• Add support for etch images.

• Fix Etcher leaving zombie processes behind in GNU/Linux.
• Prevent escaping issues during elevation by surrounding paths in double quotes.
• Fix "Unexpected end of JSON" error in Windows.
• Fix drag and drop not working anymore.
• Don't clear selection state when re-selecting an image.

• Publish standalone Windows builds.

• Allow the user to disable auto-update notifications with an environment variable.
• Allow images to declare a recommended minimum drive size.

• Fix flashing never starting after elevation in GNU/Linux.
• Fix sporadic EPERM write errors on Windows.
• Fix incorrect validation errors when flashing bzip2 images.
• Fix cscript is not recognised as an internal or external command Windows error.

• Allow archive images to configure a certain amount of bytes to be zeroed out from the beginning of the drive when using bmaps.
• Make the "Need help?" link dynamically open the image support url.
• Add .bmap support.

• Don't clear the drive selection if clicking the "Retry" button.
• Fix "modal.dismiss is not a function" exception.
• Prevent ENOSPC if the drive capacity is equal to the image size.
• Prevent failed validation due to drive getting auto-mounted in GNU/Linux.
• Fix incorrect estimated entry sizes in certain ZIP archives.
• Show device id if device doesn't have an assigned drive letter in Windows.
• Fix blkid: command not found error in certain GNU/Linux distributions.

• Upgrade etcher-image-stream to v4.3.0.
• Upgrade drivelist to v3.3.0.
• Improve speed when retrieving archive image metadata.
• Improve image full file name modal tooltip.

• Show "Unmounting..." while unmounting a drive.
• Perform drive auto-selection even when there is no selected image.

• Prevent selected drive from getting auto-removed when navigating back to the main screen from another screen.
• Fix new available drives not being recognised automatically in Windows.
• Fix application stuck at "Finishing".
• Display an error if no graphical polkit authentication agent was found.
• Only enable error reporting if running inside an asar.
• Fix "backdrop click" uncaught errors on modals.

• Fix internal removable drives considered system drives in macOS Sierra.
• Upgrade etcher-image-write to v6.0.1.
• Upgrade removedrive to v1.0.0.

• Support rich image extensions.
• Add support for raw images.
• Display a nice alert ribbon if drive runs out of space.
• Validate the existence of the passed drive.
• Add an "unsafe" option to bypass drive protection.

• Escape quotes from image paths to prevent Bash errors on GNU/Linux and OS X.
• Check if drive is large enough using the final uncompressed size of the image.

• Upgrade drivelist to v3.2.4.

• Set dialog default directory to the place where the AppImage was run from in GNU/Linux.

• Don't throw an "Invalid image" error if the extension is not in lowercase.
• Fix ENOENT error when selecting certain images with multiple extensions on GNU/Linux.
• Fix flashing not starting when an image name contains a space.
• Fix error when writing images containing parenthesis in GNU/Linux and OS X.
• Fix error when cancelling an elevation request.
• Fix incorrect ETA numbers in certain timezones.
• Fix state validation error when speed equals zero.
• Display *.zip in the supported images tooltip.
• Fix uncaught exception when showing the update notifier modal.

• Upgrade etcher-image-write to v5.0.2.

• Add support for dsk images.
• Only elevate the writer process instead of the whole application.
• Make sure a drive is instantly deselected if its not available anymore.
• Make Etcher CLI --robot option output parseable JSON strings.

• Fix an error that prevented an AppImage from being directly ran as root.
• Ensure we pass the correct argument types to electron.dialog.showErrorBox().
• Don't re-check for updates when navigating back to the main screen.
• Emit window progress even when not on the main screen.
• Improve aliasing of the striped progress button.
• Fix EPERM errors on Windows.

• Add documentation for the Etcher CLI.
• Add a GitHub issue template.
• Open DevTools in "undocked" mode by default.

• Don't interpret image file name information between dots as image extensions.

• Display ETA during flash and check.
• Show an informative label if the drive is not large enough for the selected image.
• Show an informative label if the drive is locked (write protected).

• Prevent certain system drives to be detected as removable in GNU/Linux.
• Fix external resources not opening on GNU/Linux when the application is elevated.
• Don't show an unnecessary scroll bar in the update notifier modal.
• Prevent selection of invalid images by drag and drop.
• Fix EPERM errors on Windows on drives formatted with a GUID Partition Table.
• Prevent a very long image name from breaking the UI.

• Write a document explaining Etcher's architecture.

• Add gzip compression support.
• Add bzip2 compression support.
• Provide a GUI elevation dialog for GNU/Linux.

• Fix broken image drag and drop functionality.
• Prevent global shortcuts from interferring with another applications.
• Prevent re-activating the "Flash" button with the keybaord shortcuts when a flash is already in process.
• Fix certain non-removable Windows devices not being filtered out.
• Display non-mountable Windows drives in the drive selector.

• Upgrade Electron to v1.1.1.
• Various improvements to the build system.

• Implement update notifier modal.
• Implement writing by forking the Etcher CLI as a child process.

• Prevent selection of drives that are not large enough for the selected image.

• Remove implicit "Enable" from settings screen items.

• Add xz compression support.

• Improve "Select Image" supported file types label.
• Fix error that prevented the application to be elevated correctly on Windows.

• Deprecate GNU/Linux .tar.gz installers in favor of AppImages.

• Generate AppImage packages for GNU/Linux.
• Add application version to footer, which links to the CHANGELOG.
• Allow to bypass elevation with an environment variable (ETCHER_BYPASS_ELEVATION).

• Improve drive selector modal.
• Add dashed underline stlying to footer links.

• Upgrade Electron to v0.37.6.
• Integrate Etcher CLI in this git repository.

• Show drive name in drive selector modal.
• Add subtle hover styling to footer links.
• Implement OS notifications on completion.
• Allow to drag and drop an image to the first step.
• Add Etcher logo to application footer.
• Add "Change" button links below each step.
• Invert progress bar stripes during validation.

• Fix window contents being pushed below when opening the drive selector modal.
• Detect removal of selected drive.
• Detect MacBook SDCard readers in OS X.
• Improve removable drive detection on Windows.
• Keep one decimal in Windows drive sizes.
• Prevent error dialog not showing on malformed Error objects.
• Fix window being resizable on GNU/Linux.
• Hide drive selector modal if no available drives.
• Make drive selector modal react to drive auto-selection.
• Improve UX when attempting to re-selecta single available drive.
• Reset writer state on flash error.
• Fix stream.push() after EOF error when flashing unaligned images.

• Compress Linux executables and libraries.
• Compress Windows DLLs.
• Make GNU/Linux binary lowercase.
• Replace all occurrences of "burn" with "flash".

• Implement a new drive selector modal widget.
• Log Etcher version in Mixpanel and TrackJS events to aid debugging.
• Implement write validation support.
• Add a setting to enable/disable write validation.

• Make sure window size is uniform between platforms.
• Fix "Use same image" button not preserving the image selection.
• Fix step vertical bars slight mis-alignment.
• Fix vertical spacing between success message and disk unmount notice label.
• Fix focus CSS style being persisted in the buttons after a click in some cases.
• Fix uncaught exception if no file was selected from a dialog.
• Fix external URL opening freezing applications in GNU/Linux.
• Fix code-signing issues in OS X in some systems.

• Heavy general refactoring.

• Allow window to be dragged from anywhere.
• Add more application metadata to installation package.
• Setup code-signing for Windows.

• Fix uncaught error after rejecting elevation in OS X.
• Upgrade drivelist to v2.0.9, which includes various drive scanning improvements.
• Make sure error is logged if its trapped with an error dialog.
• Fix broken state when going to settings from the success screen.
• Fix Cannot read property 'length' of undefined frequent issue.