Change log since 2.4.14 below. Those interested in trying it can get it here:
http://www.un4seen.com/download.php?bass242.4.15 - 17/12/2019
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* Channel processing granularity option
BASS_ATTRIB_GRANULE (BASS_ChannelSetAttribute option)
* Asynchronous mixtime sync callbacks
BASS_SYNC_THREAD (BASS_ChannelSetSync flag)
* Output device update period can be set in samples
BASS_CONFIG_DEV_PERIOD (BASS_SetConfig option)
* Continuous output when nothing is playing is now optional on OSX/iOS too
BASS_CONFIG_DEV_NONSTOP (BASS_SetConfig option)
* AAudio output support on Android
BASS_Init
BASS_CONFIG_ANDROID_AAUDIO (BASS_SetConfig option)
* Support for audio session IDs on Android
BASS_CONFIG_ANDROID_SESSIONID (BASS_SetConfig option)
* ParcelFileDescriptor support on Android
BASS_StreamCreateFile
BASS_SampleLoad
BASS_MusicLoad
* FloatValue Java class added to receive floating-point values on Android 10
BASS_Get3DFactors
BASS_RecordGetInput
BASS_ChannelGetAttribute
BASS_ChannelGet3DAttributes
* Audio session configuration option on iOS
BASS_CONFIG_IOS_SESSION (BASS_SetConfig option)
* OGG channel type constant renamed/duplicated to VORBIS
BASS_CTYPE_STREAM_VORBIS
* Error code for recognised file formats without audio
BASS_ERROR_NOTAUDIO (BASS_StreamCreateFile/User/URL error code)
* Error code for unstreamable MP4 files due to atom order
BASS_ERROR_UNSTREAMABLE (BASS_StreamCreateFileUser/URL error code)
* Fix for AAC streaming with BASS_STREAM_BLOCK on OSX 10.15 and iOS 13
BASS_StreamCreateURL/FileUser
* Fix for playback rate changing bug when using DirectSound
BASS_ATTRIB_FREQ (BASS_ChannelSetAttribute option)
* armv6 architecture support dropped on iOS