Version 1.46.0 (2025-12-07)
---------------------------
* Fix possible corruption when recording .wav files
* Increase number of allowed server setups
* Improve robustness of recording audio files 
* Improve error message when connecting to a Radio.co server without a scheduled event
* Linux: Allow settings a jack client name via -j command line parameter
* Linux: Fix compilation on some systems due to missing #include <ctime> 


Version 1.45.0 (2025-04-19)
---------------------------
* Add support for custom URLs and mountpoints for listener statistics
* Add seperate MIDI commands for START/STOP Broadcasting and Recording
* Add support for controlling BUTT via MIDI NOTE_ON messages
* Fix a crash when connecting to a Shoutcast server that is configued with streamhidestats=all
* Fix an issue where "Listeners: 0" was shown after connecting to servers that don’t provide listener statistics
* Fix several German translation issues
* Update credentials for existing radio.co servers when re-adding them


Version 1.44.0-1 (2025-01-17)
-----------------------------
The following change does only apply to the Linux source tar ball:

* Fix a compilation error if --disable-aac is passed to the configure script

Version 1.44.0 (2024-12-03)
---------------------------
* BUTT can now request the current song from an URL (website)
* It is now possible to instruct BUTT to overwrite existing recordings
* Add a new display mode which shows "On Air" and if available the current listeners 
* Fix memory corruption after canceling a connection attempt when using a different application language than English
* Improve compatibility of UTF-8 in song names with some servers by making the update request compliant to RFC3986
* Increase font size of the "Listeners" label to improve readability from far distances
* Change the default answer from "Yes" to "Cancel" when asked to overwrite existing recordings to prevent accidental overwriting of existing recordings 

Version 1.43.0 (2024-08-05)
---------------------------
* Recording: When file splitting is active, no samples between files are lost anymore
* Recording: Fix compatibility issue with older MP3 decoders 
* Improve song update for Opus streams
* Add more advanced MP3 encoder options: 
  - Force minimum VBR bitrate
  - low-/highpass cutoff frequency
  - low-/highpass width
  - Resampling 
* Allow the user to pass floating point values like 0.5 to the -m/-M/-o/-O commands
* Fix crash when connecting to an icecast server if the description field of the ICY information is empty
* Fix an issue with Let's Encrypt TLS certificates 
* Fix an issue that can cause a connection attempt not to be canceled by a single stop button press 

Version 1.42.0 (2024-05-25)
---------------------------
* Add WebRTC (WHIP) support (Thanks to Matt from codec.live)
* Add setting to define the listeners update interval
* Include ice-bitrate property to the HTTP header so the icecast status page shows the stream bit rate
* Fix "Update devices" button
* Improve VU-meter visibility
* Let the user select the VU-meter colors and thresholds
* Use momentary peak for the peak hold bar instead of an average peak 
* Assure that the signal detection still works after a recording failed to start
* The threshold time for automatic streaming/recording can now be as low as 0.1 seconds
* The signal detection level is now always based on the stream volume
* Activating automatic streaming/recording did not work if the threshold time was set to 0 seconds
* Reduce CPU usage on macOS
* Pressing CMD+q on macOS now closes BUTT
* Add a "manual" and "YouTube" button to the settings window for easier access
* Make it easier for the user to go to the AAC install instructions after selecting the AAC codec
* Improve the order of GUI element selection when pressing the tab key


Version 1.41.1 (2024-04-25)
---------------------------
* Important: Fix a bug that could result in a corrupted configuration file after adding a server or stream info
* Change versioning scheme to account for bugfix-only releases

Version 0.1.41 (2024-03-17)
---------------------------
* Add support for controlling BUTT via MIDI CC messages
* EQ and compressor can now be enabled independently for the stream and record path
* You can now use %N as a placeholder for the current server name in your record file/path
* Prevent BUTT from being disconnected by the server when using FLAC and the audio signal is 100% silent 
* The signal and silence detection can now by activated/deactivated with a checkbox instead of simply setting the value to 0
* Add -L parameter to get a list of available audio devices
* The ICY name and ICY description now support the same placeholders as the record file/path (activate the "expand variables" checkbox)
* Add Arabic language support (Thanks to Magd)
* Fix an issue that could lead BUTT to freeze on startup if no internet connection is available
* Overall stability improvements

Version 0.1.40 (2023-11-24)
---------------------------
* Support higher bitrates for AAC, Vorbis and Opus
* Add support for Plexamp on Linux
* Add Dutch language support (thanks to Timothy)
* Fix an issue with audio device names that contain special characters
* Fix possible buffer underflow when the connection to a shoutcast server fails

Version 0.1.39 (2023-09-20)
---------------------------
* Fix a bug that can cause the listener count to no longer be updated
* Fix a bug that can cause the split record file function to stop working
* Fix a bug that can cause butt not to reconnect after a connection loss
* Fix a bug that can cause undefined behaviour
* Clear song name if song file is empty
 

Version 0.1.38 (2023-08-05)
---------------------------
* Users can now define a custom window title
* Add option to set a delay between automatic reconnects 
* Add option to use the older Icecast SOURCE protocol instead of the newer PUT protocol
* Increase robustness of the config file importer
* Increase robustness of the show listeners function
* Use green instead of yellow to indicate a valid streaming connection
* Fix memory leak when using Icecast and showing the number of listeners
* Fix UI drawing issues 
* Fix issue with the main window size on Windows 11
* Fix issues with the tray agent on Windows

Version 0.1.37 (2022-12-24)
---------------------------
* Add support for a second audio device
* Streaming and recording volume can be set independently
* Add support for icecast-kh listener statistics
* Highlight connect and record buttons when active
* Restore window size if "Remember main window position" is active
* Increase size of slider knobs 
* Start with default values in case the config file is damaged
* Always overwrite existing files when recording is started automatically or via butt client
* Do not stop recording if a butt client sends a disconnect command while butt is offline
* Fix an issue were butt mistakenly says "Connecting..."
* Fix memory leak if "Show listeners" is activate

Version 0.1.36 (2022-10-03)
---------------------------
* Number of current listeners can be displayed on the LCD (works only with original Icecast and Shoutcast implementations)
* Fix connection issue with AIS streaming server
* Fix connection issue with Icecast servers older than version 2.4.0
* Fix issue with Shoutcast if mountpoint is already in use


Version 0.1.35 (2022-06-19)
---------------------------
* Gain slider can be disabled to prevent inadvertently changing the volume 
* Audio device initialization can be skipped by holding down CTRL during startup
* Fix crash if audio device can not be opened
* Fix crash if no default audio device can be found 
* Fix wrong password detection for certain liquidsoap Shoutcast implementations 
* Fix crash of command client and command server when very long song names are specified

Version 0.1.34 (2022-04-21)
---------------------------
* Added equalizer presets
* Added Spanish translation
* Use 32 bit float for internal audio processing instead of 16 bit integer
* FLAC can now be broadcasted and recorded as 16 bit or 24 bit
* WAV can now be recorded as 16 bit, 24 bit or 32 bit
* Massively improved client/server implementation for butt commands
* Fixed bug that caused overwriting the first wav samples of a recording
* Fixed read song name from Music.app for MacOS >= 11.0
* Fixed record folder creation if folder contains format variables
* butt commands can now also be sent via UDP
* Added new fields to the server status message:
  - stream seconds, stream kBytes
  - record seconds, record kBytes
  - volume left/right
  - current song
  - record path

Version 0.1.33 (2022-02-06)
---------------------------
* Windows: You can broadcast what's playing on your computer (audio device must support WASAPI)
* Windows/Linux: New butt-client for controlling running butt instances (Thanks to Hossam)
* Added support for higher samplerates (88.2 kHz and 96 kHz)
* Added Portuguese (Brazil) translation (Thanks to Bruno)
* Added signal and silence detection flags to the status information 
* Time thresholds for signal detection can be changed via control commands (Thanks to Hossam)
* Format place holders (%Y %m %d etc.) can also be used in the folder name
* Song title update support for OPUS
* Fixed wrong file size in wav header
* Fixed compilation if --disable-ssl or --disable-aac was passed to ./configure  

Version 0.1.32 (2021-10-28)
---------------------------
* Radio.co stations can now be easily added to butt
* Advanced codec settings for mp3, aac, ogg/vorbis and opus can now be adjusted
* The recordings folder may now contain environment variables like ~, $HOME and %USERPROFILE%
* Fixed issue with characters like $,%,&,§ in the song name 
* Fixed connection issue in case the server domain has IPv4+6 addresses but Icecast is only listening on IPv4
* Fixed missing song duration information in FLAC recordings

Version 0.1.31 (2021-07-12)
---------------------------
* A delay can now be added to the automatic song title update
* Increased equalizer from 5 to 10 frequency bands
* Fixed positioning issues on multi screen setups
* Maximum number of supported audio devices has been increased from 100 to 256

Version 0.1.30 (2021-05-14)
---------------------------
* Added support for IPv6 
* Added French translation
* Right click on a slider knob brings up an input field where you can type in the slider value with the keyboard
* The selected audio device can now be remembered by device name instead by device id
* You can now rescan for new audio devices manually (no butt restart needed anymore after plugging in a new audio device)
* Holding the shift key during butt startup allows you to start with a fresh configuration file
* Updated Portaudio to version v19.7.0
* Windows: Added support for WASAPI audio driver
* MacOS: Updated FLTK to version 1.3.6 
* MacOS: Native support for Apple Silicon (arm64) 

Version 0.1.29 (2021-03-28)
---------------------------
* Added a new tool (butt Agent) which helps to minimize butt to tray and much more (Big thanks to Ivan Radolovic)
* Added an indicator to the compressor which lights up if the threshold is exceeded
* Added "Aggressive Mode" to the compressor. If activated, the signal power for threshold detection is not averraged
* Added new command line options: -q (quit) -n (split recording) -u <songname> (update song name)
* Added donation addresses for Bitcoin, Monero and Dash
* Fixed crash when butt can not find any input channels
* Fixed crash when reading song names from an UTF-8 formatted file that contains a BOM 
* Fixed issue with icecast-kh14+ when connecting to a mountpoint which is already in use
* Fixed issue if both checkboxes "start recording after launch" and "start recording when connected" are checked
* Fixed butt.desktop file. Icon was not shown on GNOME panel
* Attack and Release compressor labels now have 2 decimal places instead of only 1
* butt does not send bitrate information to the icecast server anymore if FLAC is used 
* butt now searches for a free command server port if default port is already in use
* butt can now be started in minimized state
* The recording file name can now contain any well known date format specifier 
* The window class name has been renamed from FLTK to butt_FLTK

Version 0.1.28 (2021-02-07)
---------------------------
* Fixed compressor issues
* Fixed song update when using Strawberry audio player
* The order of song update from an music app can be changed from "Title - Artist" to "Artist - Title"
* Increased accuracy of recording split timer
* VU-meter appearance can be changed to solid colors for better readability
* Log window can be vertically resized
* Windows: Changed default installation folder to %LOCALAPPDATA%\butt instead of %LOCALAPPDATA\butt-<version>


Version 0.1.27 (2020-12-26)
---------------------------
* Fixed loading of AAC codec selection from configuration file
* Fixed crash when using opus with a samplerate not equal to 48000 Hz

Version 0.1.26 (2020-12-24)
---------------------------
* Added ASIO support
* Added support for multi-channel audio devices
* Added multi-language support (i18n) 
* Added German translation
* Added option to force reconnection regardless of the server response
* Added support for Strawberry audio player (Thanks to Stefan S.)
* Added config parameter to disable dithering (set disable_dithering=1 in cfg file) 
* Fixed possible crash if server is not reachable
* Fixed possible crash when reconnecting
* Fixed possible crash when using FLAC and song update
* Fixed unwanted rounding of compressor values
* Fixed overwriting of a DSP setting if it was set to -1.0
* Improved CPU usage 
* Improved mono/stereo handling
* Improved overall song update implementation
* Compiles on FreeBSD (Thanks to Per G. and Tobias C. B.)


Version 0.1.25 (2020-10-26)
---------------------------
* Added the ability to extend the song name with a prefix and a suffix
* Fixed issue with automatic song update from text files 
* Fixed recording in FLAC 

Version 0.1.24 (2020-10-14)
---------------------------
* VU-meter has been redesigned
* Fixed issues with usernames that contain special characters 
* The port of the command server can be specified via command line 
* Commands can be received via network
* It is possible to connect to a particular streaming server when sending the connect command
* You can ask a butt instance about its current status with the -S command
* butt can automatically check for updates after launch 
* Update of song name works with FLAC 
* Thresholds for signal detection can be specified
* Added -h command line option to get an overview of all available commands
* Updated the manual 

Version 0.1.23 (2020-09-27)
---------------------------
* Fixed crash if the server is not reachable (e.g. unstable internet connections)
* Fixed issue with transfering song meta data from music apps to butt (MacOS)
* Improved handling of mic permissions dialog on MacOS

Version 0.1.22 (2020-07-09)
---------------------------
* Added Dynamic Range Compressor (thanks to Thomas P.)
* Added ability to check for new versions
* butt can now be controlled via command line 
* Replaced experimental portaudio version with the stable portaudio version
* Fixed issue with stereo audio when using the Equalizer (thanks to Thomas P.)
* Fixed traffic calculation when using OPUS
* Fixed issue with OPUS encoding under some circumstances

Version 0.1.21 (2020-05-26)
---------------------------
* Streaming and recording can now be started automatically if an audio signal is present
* Fixed reconnection issue on unreliable network connections. Should now behave like 0.1.19 again
* wav recordings can now be up to 4 GB large
* Removed advanced section from the Audio tab. Buffer time can still be set in the configuration file if you need to

Version 0.1.20 (2020-04-21)
---------------------------
* Added SSL/TLS support for icecast
* Recording can now automatically be stopped if the user disconnects from the server
* Fixed icecast connection issue (mostly occurring on mobile internet connections like 4G/LTE)
* Fixed wrong password detection for liquidsoap based setups
* Fixed configuration export on MacOS
* Fixed logfile selection on MacOS
* Song name is not updated on reconnect anymore if the manual song name input field has been cleared
* Upgraded FLTK to version 1.3.5

Version 0.1.19 (2019-12-30)
---------------------------
* The song name can now be read from the last line instead from the first line of a file
* Streaming and recording can now be automatically stopped after silence has been detected 
* The last window position can be remembered. Useful when running multiple instances
* butt can now be started with hidden info window
* The vu-meter runs smoother and needs less cpu 
* VU-meter peak hold is only active for the red light
* Closing butt while streaming or recording must be confirmed now
* Changes are now saved without asking for confirmation when closing the app
* Removed a new line character from the server name in the title bar
* Fixed recceiving song information from iTunes/Music in MacOS Catalina
* Fixed wrong counting of sent bytes when using AAC


Version 0.1.18 (2019-05-12)
---------------------------
* Added support for automatic recording after starting butt
* Enabled AAC afterburner (improves audio quality)
* Fixed issue with configure.ac and s390x architecture
* Updated the FSF address in COPYING
* AAC libs are not delivered with the setup files anymore (read the manual on how to activate AAC support again)


Version 0.1.17 (2018-12-27)
---------------------------
* Added support for FLAC streaming (icecast only)
* Added 5-band equalizer (thanks to Melchor Garau Madrigal)
* Added the ability to read song informations from several apps on MacOS and Linux (thanks to Melchor Garau Madrigal)
* Window title is automatically renamed to the connected server (useful when running multiple instances)
* Fixed connection issue with airtime
* Fixed integer overflow when gain is set too high
* Fixed compilation error on ubuntu 18
* Changed color of windows icon from black to yellow. So people using Win10 can now find butt in their black taskbar ;-)


Version 0.1.16 (2017-09-17)
---------------------------
* Fixed compatibility issues with shoutcast v2.5.5.732 
* Replaced portaudio by newest stable version v190600_20161030
* When using AAC+ the best AAC profile for the current bitrate is selected automatically +
  AAC+v2: bitrate < 48kBit/s				(aac_aot = 29) +
  AAC+v1: 48 kBit/s \<= bitrate < 96kBit/s	(aac_aot = 5) +
  AAC-LC: bitrate >= 96kBit/s				(aac_aot = 2) +
* You can force the AAC codec to a specific profile by setting 
  aac_overwrite_aot = 1 and aac_aot to the appropriate aot value {2,5,29} in buttrc


Version 0.1.15 (2016-05-28)
---------------------------
* Added AAC+ support
* Added a "Split now" button to instantly start a new recording file
* Improved look&feel on retina displays on OSX
* Improved compatibility with proxies/load balancers (thanks to boyska)
* Fixed handling of newline characters when reading the song name file
* Fixed evlauation of time/date variables when automatic file splitting is enabled
* Fixed compatibility with airtime servers
* Fixed ogg and opus support for ShoutCast 

Version 0.1.14 (2014-12-27)
---------------------------
* Added FLAC support for recording 
* Added Opus support (thanks to oneman)
* Added logfile support (thanks to mikko)
* Added support for more variables in the filename (%H %M %S) (thanks to mikko)
* Automatic file splitting can be synced to full hour now (thanks to mikko) 
* LCD info can automatically rotate every 5 seconds now (thanks to mikko)
* Added ability to change audio buffer size
* Uncluttered LCD (thanks to mikko)
* File extension of record filename gets automatically updated now
* Dropped support of different samplerate/channels for stream and record
* Resorted settings elements/widgets
* Removed possible memleaks
* Connecting to an unreachable server does not freeze the GUI anymore
* Fixed icecast and shoutcast meta data handling
* ;ade update song from file more robust
* "update song name manually" reacts on Enter button now

Version 0.1.13 (2014-05-02)
---------------------------
* Has an icon now! - Thanks to Subrat (ipapuna) Nayak
* Added support for lower bitrates (24k, 16k, 8k)
* Added support for user defined configuration path e.g. "butt -c <path_to_config>"
* Added support for user names in Icecast
* Added gain slider. This slider multiplies the audio input samples with the given factor
* Added .manifest file to disable the VirtualStore on Windows Vista and higher
* Added the ability to automatically split the recording every 'n' minutes
* Added feature for importing and exporting configuration files
* Compiles with Xcode 5 on OS X Mavericks
* Compiles with traditional GNU autoconf/automake environment on linux and mingw
* Improved robustness against faulty config files 
* Improved compatibility to ShoutCast v2 servers
* Improved look&feel
* Fixed samplerate issues
* Fixed mono playback/recording 
* Changed data volume information vom kBytes to MBytes
* Changed default recording path to users home folder
* Sends audio information (bitrate etc.) to Icecast server - Thanks to Dominik Durner
* Reimplemented VU-Meter with peak hold 
* Comes with as an ubuntu package
* Windows: can be installed as user without admin rights 
* Windows: uninstallation process also removes the configuration file
* Instead of canceling the automatic song update in case the given file is not
readable, butt now tries to reread the file every 5 seconds

Version 0.1.12 (2010-04-10)
---------------------------
* butt is now able to connect automatically after startup
* Shortened time between connect attempts (fixes Shouted.FM connection problems)
* Improved wrong password detection for shoutcast	

Version 0.1.11-2 (2008-12-14)
-----------------------------
* Fixed display info after automatic reconnection

Version 0.1.11-1 (2008-11-09)
-----------------------------
* Fixed segfault if there is no '.' in the filename

Version 0.1.11 (2008-10-26)
---------------------------
* Fixed unintended disconnects
* Fixed recording problems
* Removed buffer overrun messages
* Recording can be now stopped with the stop-button
* Replaced pcm recording by wav recording
* Recording as ogg is now possible 
* Added "stay on top" checkbox
* Fixed possible crash when changing mp3 settings while streaming

Version 0.1.10 (2008-05-25)
---------------------------
* Removed xrun "led". Instead the msg window informs the user about overruns
* Added dB values to the vu-meter
* Fixed bitrate/samplerate selection for ogg
* Network backend works with non-blocking sockets now
* libshout is not needed anymore
* Songname can be updated from a textfile now
* More samplerates are supported now
* Fixed samplerate selection problems
* Fixed crash when connecting to icecast server on MacOS 10.4
* Fixed crash when changing the server type from shoutcast to icecast
* Some cosmetic changes (buttons, LEDs)

Version 0.1.9 (2008-04-10)
--------------------------
* Minor GUI makeup
* Made butt more verbose
* Fixed possible segfault when trying to EDIT stream info
* Fixed automatic reconnection
* Filenames can be indexed with the %i variable now
* Renamed "rec not until connected" checkbox to "start rec. when connected"
* Added orange record icon for "armed" state ("start rec. when connected" = 1)
* butt starts recording as soon as connected, when in "armed" state

Version 0.1.8 (2008-03-30)
--------------------------

* Text/bg color can be changed in the [GUI] tab
* Removed the "Config saved" popup message
* Added pcm recording
* Improoved record handling
* The config menu is more user friendly now
* Fixed crash when connection loss
* The user may select the samplerate now
* The config window can be attached to the main window now
* Fixed bitrate and codec ShoutCast info

Version 0.1.7rc1 (2008-01-04)
-----------------------------
* butt runs on MacOS 10.4 and 10.5 now!
* Added recording time to the display info
* Fixed bug with '&' in the song string
* Changing the display mode works only when connected now
* Added a checkbox which lets the user decide if the recording should start
right after selecting the output file or when connected
* Added a msg box which ask the user if he wants to stop the recording
when disconnecting


Version 0.1.6 (2007-12-08)
---------------------------
* Added status symbols to the display
* Recording runs with a seperate thread now!
* Added a button for showing/hiding the server password

Version 0.1.5 (2007-11-22)
---------------------------
* Minor GUI changes
* Fixed streaming/recording with mp3 320kb/s
* Fixed segfault in Fl_ILM216.cpp
* The user may change the display colors now (right click on the display)
* The "connecting" info on the display updates faster now
* Changed default display colors to white/blue

Version 0.1.5rc1 (2007-11-16)
-----------------------------
* Replaced ALSA by PortAudio -> OSS is supported now
* Ported butt to Microsoft Windows (tested with win2k and win xp)
* butt reminds the user about unsaved changes when closing now
* Starting the recording is possible at any time now
* Added mono encoding for OGG
* Improved some GUI stuff
* Improved CPU usage

Version 0.1.4rc2 (2007-11-03)
-----------------------------
* butt should compile on more machines now

Version 0.1.4rc1 (2007-11-01)
-----------------------------
* Added IceCast support (ogg and mp3)
* Added ./configure script
* butt is now able to send the "Current Song" value to the ShoutCast/IceCast server
* Changed stereo mode from joint-stereo to real-stereo
* Code cleanup

Version 0.1.3 (2007-10-08)
---------------------------
* Bugfix: butt crashed if you press "apply" in the server/icy tab without
having an server/ICY-entry
* Bugfix: butt crashed if you change the bitrate without having an ICY-entry
* Bugfix: there was some uncommented code in the [DEL]-server callback-routine
which shouldn't be uncommented 
* Facelift: if you delete all server/ICY-entries, the input fields in the server/ICY
still showed the values of the last server/ICY-entry

Version 0.1.2 (2007-10-07)
--------------------------
* Added a GUI for configuring butt
* Comments behind config entries are not allowed anymore.
* Removed the network init part. It was nonsense
* Fixed mono playblack
* Fixed recording problems
* ICY entries can now be empty without causing butt to crash
* butt shows the real port in its "connecting to..."-info line now and the "pseudeo" port in parenthesis
* Fixed a bug which causes pcm data loss in some cases

Version 0.1.1 (2007-09-16)
--------------------------
* Added recording feature 
* Fixed seg fault on startup when compiled with gcc-4.1.2
* Fixed seg fault when encoding with high bitrates