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OctoPrint Changelog

1.2.0 (Unreleased)

New Features

  • Added internationalization of UI. Translations of OctoPrint are being crowd sourced via Transifex. The following translations are already available with more in the works:
    • Dutch (nl)
    • German (de)
    • French (fr)
    • Hebrew (he)
    • Norwegian (no)
    • Romanian (ro)
  • New file list: Pagination is gone, no more (mobile incompatible) pop overs, instead scrollable and with instant search
  • You can now define a folder (default: ~/.octoprint/watched) to be watched for newly added GCODE (or -- if slicing support is enabled -- STL) files to automatically add.
  • OctoPrint now has a plugin system which allows extending its core functionality.
  • New type of API key: App Session Keys for trusted applications
  • Printer Profiles: Printer properties like print volume, extruder offsets etc are now managed via Printer Profiles. A connection to a printer will always have a printer profile associated.
  • OctoPrint now supports action:... commands received via debug messages (// action:...) from the printer. Currently supported are
    • action:pause: Pauses the current job in OctoPrint
    • action:resume: Resumes the current job in OctoPrint
    • action:disconnect: Disconnects OctoPrint from the printer Plugins can add supported commands by hooking into the octoprint.comm.protocol.action hook
  • Mousing over the webcam image in the control tab enables key control mode, allowing you to quickly move the axis of your printer with your computer's keyboard (#610):
    • arrow keys: X and Y axes
    • W, S / PageUp, PageDown: Y axes
    • Home: Home X and Y axes
    • End: Home Z axes
    • 1, 2, 3, 4: change step size used (0.1, 1, 10, 100mm)
  • Controls for adjusting feed and flow rate factor added to Controls (#362)
  • Custom controls now also support slider controls
  • Custom controls now support a row layout
  • Users can now define custom GCODE scripts to run upon starting/pausing/resuming/success/failure of a print

Improvements

  • Logging is now configurable via config file
  • Added last print time to additional GCODE file information
  • Better error handling for capture issues during timelapse creation & more robust handling of missing images during timelapse creation
  • Start counting the layers at 1 instead of 0 in the GCODE viewer
  • Upgraded Font Awesome to version 3.2.1
  • Better error reporting for timelapse rendering and system commands
  • Custom control can now be defined so that they show a Confirm dialog with configurable text before executing (#532 and #590)
  • Slicing has been greatly improved:
    • It now allows for a definition of slicing profiles to use for slicing plus overrides which can be defined per slicing job (defining overrides is not yet part of the UI but it's on the roadmap).
    • A new slicing dialog has been added which allows (re-)slicing uploaded STL files (which are now displayed in the file list as well). This dialog also allows specifying which action to take after slicing has been completed (none, selecting the sliced GCODE for printing or starting to print it directly)
    • Slicers themselves are integrated into the system via SlicingPlugins.
    • The Cura integration has changed in such a way that OctoPrint now calls the CuraEngine directly instead of depending on the full Cura installation. See the wiki for instructions on how to change your setup to accommodate the new integration.
    • The "Slicing done" notification is now colored green (#558).
    • The slicing API allows positioning the model to slice on the print bed (Note: this is not yet available in the UI).
  • File management now supports STL files as first class citizens (including UI adjustments to allow management of uploaded STL files including removal and reslicing) and also allows folders (not yet supported by UI). STL files can be downloaded like GCODE files.
  • Also interpret lines starting with "!!" as errors
  • Added deletion of pyc files to the python setup.py clean command
  • Settings now show a QRCode for the API Key (#637)
  • Username in UI is no longer enclosed in scare quotes (#595)
  • Username in login dialog is not automatically capitalized on mobile devices anymore (#639)
  • "Slicing Done" and "Streaming Done" notifications now have a green background (#558)
  • Files that are currently in use, be it for slicing, printing or whatever, are now tracked and can not be deleted as long as they are in use
  • Settings in UI get refreshed when opening settings dialog
  • New event "SettingsUpdated"
  • "Print time left" is now not displayed until it becomes somewhat stable. Display in web interface now also happens in a fuzzy way instead of the format hh:mm:ss, to not suggest a high accuracy anymore where the can't be one. Additionally OctoPrint will use data from prior prints to enhance the initial print time estimation.
  • Added handler for uncaught exceptions to make sure those get logged, should make the logs even more useful for analysing bug reports
  • The server now tracks the modification date of the configuration file and reloads it prior to saving the config if it has been changed during runtime by external editing, hence no config settings added manually while the server was running should be overwritten anymore.
  • Automatically hard-reload the UI if upon reconnecting to the server a new version is detected.
  • Better handling of errors on the websocket - no more logging of the full stack trace to the log, only a warning message for now.
  • Daemonized OctoPrint now cleans up its pidfile when receiving a TERM signal (#711)
  • Added serial types for OpenBSD (#551)
  • Improved behaviour of terminal:
    • Disabling autoscrolling now also stops cutting of the log while it's enabled, effectively preventing log lines from being modified at all (#735)
    • Applying filters displays [...] where lines where removed
    • Added a link to scroll to the end of the terminal log (useful for when autoscroll is disabled)
    • Added a link to select all current contents of the terminal log for easy copy-pasting
    • Added a display of how many lines are displayed, how many are filtered and how many are available in total
  • Frame rate for timelapses can now be configured per timelapse (#782)
  • Added an option to specify the amount of encoding threads for FFMPEG (#785)
  • "Disconnected" screen now is not shown directly after a close of the socket, instead the client first tries to directly reconnect once, and only if that doesn't work displays the dialog. Should reduce short popups of the dialog due to shaky network connections and/or weird browser behaviour when downloading things from the UI.
  • Development dependencies can now be installed with pip -e .[develop]
  • White and transparent colors ;) are supported for the navigation bar (#789)
  • Drag-n-drop overlay for file uploads now uses the full available screen space, improving usability on high resolution displays (#187)

Bug Fixes

  • #435 - Always interpret negative duration (e.g. for print time left) as 0
  • #633 - Correctly interpret temperature lines from multi extruder setups under Smoothieware
  • #556 - Allow login of the same user from multiple browsers without side effects
  • #680 - Don't accidentally include a newline from the MIME headers in the parsed multipart data from file uploads
  • #709 - Properly initialize time estimation for SD card transfers too
  • #715 - Fixed an error where Event Triggers of type command caused and exception to be raised due to a misnamed attribute in the code
  • #717 - Use shutil.move instead of os.rename to avoid cross device renaming issues
  • #752 - Fix error in event handlers sending multiple gcode commands.
  • #780 - Always (re)set file position in SD files to 0 so that reprints work correctly
  • #784 - Also include requirements.txt in files packed up for python setup.py sdist
  • #330 - Ping pong sending to fix potential acknowledgement errors. Also affects #166, #470 and #490.
  • Various fixes of bugs in newly introduced features and improvements:
    • #625 - Newly added GCODE files were not being added to the analysis queue
    • #664 - Fixed jog controls again
    • #677 - Fixed extruder offsets not being properly editable in printer profiles
    • #683 - Fixed heated bed option not being properly displayed in printer profiles
    • #685 - Quoted file name for Timelapse creation to not make command hiccup on ~ in file name
    • #709 - Fixed file sending to SD card
    • #714 - Fixed type validation of printer profiles
    • Heating up the heated bed (if present) was not properly configured in CuraEngine plugin
    • #720 - Fixed translation files not being properly copied over during install
    • #724 - Fixed timelapse deletion for timelapses with non-ascii characters in their name
    • #726 - Fixed babel_refresh command
    • #759 - Properly initialize counter for template plugins of type "generic"
    • #775 - Error messages in javascript console show the proper name of the objects
    • #795 - Allow adding slicing profiles for unconfigured slicers
  • Various fixes without tickets:
    • GCODE viewer now doesn't stumble over completely extrusionless GCODE files
    • Do not deliver the API key on settings API unless user has admin rights
    • Don't hiccup on slic3r filament_diameter comments in GCODE generated for multi extruder setups
    • Color code successful or failed print results directly in file list, not just after a reload
    • Changing Timelapse post roll activates save button
    • Timelapse post roll is loaded properly from config
    • Handling of files on the printer's SD card contained in folders now works correctly
    • Don't display a "Disconnected" screen when trying to download a timelapse in Firefox
    • Fixed handling of SD card files in folders
    • Fixed refreshing of timelapse file list upon finished rendering of a new one

(Commits)

1.1.2 (Unreleased)

Improvements

  • Added deletion of *.pyc files to python setup.py clean command, should help tremendously when switching branches (backported from 9e014eb)
  • Increased default communication and connection timeouts
  • #706 - Do not truncate error reported from printer

Bug Fixes

  • #634 - Fixed missing branch fields in version dicts generated by versioneer
  • #679 - Fix error where API state is requested and printer is offline (backport of 619fe9a).
  • #719 - Properly center print bed in GCODE viewer
  • #780 - Always (re)set file position in SD files to 0 so that reprints work correctly (backported from devel)
  • [IRC] - Don't hiccup on slic3r filament_diameter comments generated for multi extruder setups
  • [ML] - Fixed relative URL to SockJS endpoint, wasn't yet using the proper base url
  • [unreported] & #698 - Generated URLs now take X-Forwarded-Host header sent by proxies into account for included host and port, also fixed #698 introduced by this
  • Small fixes for timelapse creation:
    • #344 - Made timelapses capable of coping with missing captures in between by decrementing the image counter again if there was an error fetching the latest image from the snapshot URL (backport of 1a7a468 and bf9d5ef)
    • #693 - Try not to capture an image if image counter is still unset
    • [unreported] Synchronize image counter decrementing as well as incrementing to prevent rare race conditions when generating the image file names

(Commits)

1.1.1 (2014-10-27)

Improvements

  • The API is now enabled by default and the API key -- if not yet set -- will be automatically generated on first server start and written back into config.yaml
  • Event subscriptions are now enabled by default (it was an accident that they weren't)
  • Generate the key used for session hashing individually for each server instance
  • Generate the salt used for hashing user passwords individually for each server instance

Bug Fixes

  • #580 - Properly unset job data when instructed so by callers
  • #604 - Properly initialize settings basedir on server startup
  • [IRC] Also allow downloading .g files via Tornado

(Commits)

1.1.0 (2014-09-03)

New Features

  • New REST API, including User API Keys additionally to the global API key. Please note that this will break existing API clients as it replaces the old API (same endpoint). You can find the documentation of the new API at docs.octoprint.org.
  • New Event structure allows more flexibility regarding payload data, configuration files will be migrated automatically. You can find the documentation of the new event format and its usage at docs.octoprint.org.
  • Support for multi extruder setups. With this OctoPrint now in theory supports an unlimited amount of extruders, however for now it's artificially limited to 9.
  • Log files can be accessed from within the browser via the Settings dialog (#361)
  • Timelapses can now have a post-roll duration configured which will be rendered into the video too to not let it end so abruptly (#384)
  • The terminal tab now has a command history (#388)

Improvements

  • Stopping the application via Ctrl-C produces a less scary message (#277)
  • Webcam stream is disabled when control tab is not in focus, reduces bandwidth (#316)
  • M and G commands entered in Terminal tab are automatically converted to uppercase
  • GCODE viewer now only loads automatically if GCODE file size is beneath certain threshold (different ones for desktop and mobile devices), only actually loads file if user acknowledges that this might be too much for his browser
  • Added time needed for printing file to PrintDone event's payload (#333)
  • Also provide the filename (basename without the path) in print events
  • Support for circular beds in the GCODE viewer (#407)
  • The dimensions of the print bed can now be configured via the Settings (#396)
  • Target temperature reporting format of Repetier Firmware is now supported as well (360)
  • Version tracking now based on git tagging and versioneer. Version number, git commit and branch get reported in the format <version tag>-<commits since then>-g<commit hash> (<branch> branch), e.g. 1.2.0-dev-172-ga48b5de (devel branch).
  • Made "Center viewport on model" and "Zoom in on model" in the GCODE viewer automatically deselect and de-apply if viewport gets manipulated by the user (#398)
  • GCODE viewer now interprets inverted axes for printer control and mirrors print bed accordingly (#431)
  • Added clean command to setup.py, removes old build artifacts (mostly interesting for developers)
  • Added version resource on API which reports application and API version
  • Made the navbar static instead of fixed to improve usability on mobile devices (#257)
  • Switch to password field upon enter in username field, submit login form upon enter in password field
  • Changed default path to OctoPrint executable in included init-script to /usr/local/bin/octoprint (the default when installing via python setup.py install)

Bug Fixes

  • Properly calculate time deltas (forgot to factor in days)
  • #35 - GCODE viewer has been modularized, options are now functional
  • #337 - Also recognize --iknowwhatimdoing when running as daemon
  • #357 - Do not run GCODE analyzer when a print is ongoing
  • #381 - Only list those SD files that have an ASCII filename
  • Fixed a race condition that could occur when pressing "Print" (File not opened yet, but attempt to read from it)
  • #398 - Fixed interfering options in GCODE viewer
  • #399 & 360 - Leave bed temperature unset when not detected (instead of dying a horrible death)
  • #492 - Fixed a race condition which could lead to an attempt to read from an already closed serial port, causing an error to be displayed to the user
  • #257 - Logging in on mobile devices should now work
  • #476 - Also update the metadata correctly when an analysis finishes
  • Various fixes of bugs in newly introduced features and improvements:
    • #314 - Use G28 for homing (G1 was copy and paste error)
    • #317 - Fixed "load and print" function
    • #326 - Fixed refresh of SD file list
    • #338 - Refetch file list when deleting a file
    • #339 - More error resilience when handling temperature offset data from the backend
    • #345 - Also recognize such temperature reports that do not contain a T: but a T0:
    • #377 - URLs in API examples fixed
    • #378 - Fixed crash of API call when getStartTime() returns None
    • #379 - Corrected response code for connection success
    • #414 - Fix style attribute for Actual column header

(Commits)

1.0.0 (2014-06-22)

First release with new versioning scheme.