fluidsynth 2.0.8

• fix incorrect behavior of fluid_sample_set_sound_data() (#576, thanks to @swesterfeld)
• fix voices being mixed incorrectly, causing audible crackle esp. at sample-rates >48kHz (#580)
• make sure that defining NDEBUG disables assertions

fluidsynth 2.0.7

• fix broken audio output when reverb was active after synth creation (#563)
• fix debug console messages not being visible for debug builds on Windows

fluidsynth 2.0.6

• fix an uninitialized memory access, which could have led to NULL dereference or heap corruption in an out-of-memory situation
• fix a use-after-free when calling fluid_player_stop()
• fix the MIDI player not outputting any sound after stopping and restarting the playback (#550)

fluidsynth 2.0.5

• the MIDI player erroneously assumed a default tempo of 125 BPM rather than 120 BPM (#519)
• improve integration of systemd (#516, thanks to @fleger)
• fix a buffering bug in fluid_synth_process() (#527, thanks to @swesterfeld)
• fix a major memory leak when unloading SF3 files (#528, thanks to @mawe42)
• fix several NULL dereferences and memory leaks in jack driver
• fix a memory leak when creating threads

fluidsynth 2.0.4

• introduce verbose error reporting for fluid_settings_* functions
• avoid undefined behavior when fopen() directories
• improve compatibility with FreeBSD and DragonFlyBSD (#508, thanks to @t6)
• fix build when cross compiling (#501)
• fix build on MacOSX 10.4 (#513)
• fix build when compiling with MinGW
• enable network support on Mac by default (#513)

fluidsynth 2.0.3

• fix handle leak in winmidi driver (#469, thanks to @carlo-bramini)
• fix build failures when cross compiling (#484)
• fix a bug when calculating the lower boundary of attenuation (#487, thanks to @jjceresa)
• fix a double free in fluid_sample_set_sound_data()
• silence a warning when loading soundfonts from memory (#485, thanks to @mawe42)
• minor performance improvements (#461, #471, #482, #486, thanks to @carlo-bramini and @jjceresa)

fluidsynth 2.0.2

• fix building fluidsynth without any audio drivers (#447)
• fix a possibly misaligned memory access in the soundfont loader (#457)
• fix a memory leak in the pulse audio driver (#458)
• fix a NULL deref in the coreaudio driver (#458)
• use cmake to query for DSound and WinMidi support (#449, thanks to @carlo-bramini)
• remove an unintended MFC dependency header (#449, thanks to @carlo-bramini)
• include Windows DLL version info for MinGW builds (#449, thanks to @carlo-bramini)
• implement midi.autoconnect for jack (#450, thanks to @ColinKinloch)
• add a cmake option to disable multi-threading (#463, thanks to @carlo-bramini)

fluidsynth 2.0.1

• implement auto-conntect for CoreMidi (#427, thanks to @ColinKinloch)
• fix a build issue with cmake < 3.3
• fix a crash when creating multiple jack drivers (#434, thanks to @rncbc)
• various fixes to dsound driver (#435, thanks to @carlo-bramini)
• fix multiple potential NULL dereferences (#437)
• fix two memory leaks in the soundfont loader (#437)
• correct upper threshold of synth.chorus.depth

fluidsynth 2.0.0

New Features

• implement polyphonic key pressure (#185, thanks to @mawe42)
• add API for manipulating default modulators (#265, #164, #71, thanks to @mawe42)
• add midi.autoconnect setting for automatically connecting fluidsynth with available MIDI Input ports (currently only for alsa_seq thanks to @tomcucinotta)
• add seek support to midi-player (#261, thanks to @loki666)
• add support for text and lyrics midi events (#111)
• add support for 24 bit sample soundfonts (#301, #329)
• consider "important midi channels" during overflow calculation synth.overflow.important-channels (#294, thanks to @mawe42)
• add a custom default modulator for MIDI CC8 to support proper stereo balance (#317, thanks to @mawe42)
• add support for an additional custom high-pass filter (#331, thanks to @mawe42)
• incorporate JJC's polymono patch (#306, #236, #158)
  • add basic channel support
  • implement MIDI modes Omni On, Omni Off, Poly, Mono
  • implement portamento control
  • implement legato control
  • implement breath control
• add support soundfont loading from memory (#241)
• add a profiling command interface (#345, thanks to @jjceresa)
• add support on demand sample loading (#366, thanks to @mawe42)
• add reverb and chorus settings (#49)
• allow using the midi router to manipulate midi files when playing from command line
• fluid_synth_process() received a new proper implementation
• synth.effects-groups allows to render effects of all MIDI channels to separate audio channels

General

• CMake 3.1.0 or later is required for building
• consider channel pressure, key pressure and pitch wheel for lower attenuation boundary calculation (#163, thanks to @mawe42)
• complete rewrite of the LADSPA subsystem (#227, #235, thanks to @mawe42)
• complete rewrite of the Soundfont Loader API (#334, #309)
• avoid reverb amplitude growing exponentially (#279, thanks to @jjceresa)
• removed deprecated autotools build system
• a minimal build of fluidsynth without requiring pkg-config is supported
• remove deprecated LADCCA support
• use unique device names for the audio.portaudio.device setting (#284, thanks to @jjceresa)
• documentation of the settings moved to http://www.fluidsynth.org/api/fluidsettings.xml
• adjust MIDI Pan and Balance calculations as outlined by MIDI Recommended Practice (RP-036) (#317, thanks to @mawe42)
• make network support compile-time optional (#307, thanks to @carlo-bramini)
• speed up calculation of chorus modulation waveforms for devices without FPU (#321, thanks to @carlo-bramini)
• cleanup internal audio rendering and mixing engine (#197)
• reduce memory consumption of loaded soundfonts (#370, thanks to @mawe42)

fluidsynth 2.0 RC1

Release candidate of fluidsynth 2.0.0 as it is expected to be released in mid September. For more details refer to the mailing list:

http://lists.nongnu.org/archive/html/fluid-dev/2018-08/msg00021.html