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CHANGELOG.md

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Extempore changelog

First, a confession: the Extempore maintainers (i.e. Andrew & Ben) have been really bad at keeping a changelog. But hopefully we'll be better in the future.

v0.8.9

  • bugfix for @rpath/libportaudio.dylib bug (introduced in 0.8.8)

v0.8.8

  • upgrade PortAudio (to fix a build error on macOS Big Sur)
  • refactoring of LLVM stuff (in preparation for the LLVM 11 upgrade from nicdonaldson)
  • improvements to the GitHub actinos CI test matrix

v0.8.7

Added

  • more detailed build instructions (including BUILDING.md)

Removed

  • removed support for ogg/flac in libsndfile (since the current binary release is broken on platforms without e.g. libvorbis). In the future we should provide a CMake option to allow users to control this behaviour, but it's turned off in 0.8.7 because it's a pretty bad experience for novice users to have it Extempore crash inscrutably anytime libsndfile is loaded

Changed

  • some changes to the testing infrastructure (thanks @pcawley)

v0.8.4

Added

Removed

Changed

  • A bunch of refactoring in libs/core/instruments-scm.xtm, mostly around naming consistency but also in the way that the optional "parser" function argument to load-sampler (which maps filenames to sample slots). In particular, the parser function used to have to map a list of filenames to a list of "parsed" slots/banks, but now just maps a single filename to a single slot/bank (see the docs, which have been updated to reflect the new behaviour). In general if you had some existing sample loading code (pre v0.8.4) and it's now broken then have a look to see if that's the problem.

v0.8

Added

  • Extempore pattern language
  • analogue synth
  • ability to build/export an extempore "app" as a standalone binary

Removed

  • out of date guff, including long-deprecated and non-working AOT compilation scripts, the old extempore.el (just use MELPA)

Changed

  • changed the way that AOT-compilation works - no longer generating the LLVM IR then shelling out to llc to compile them at build time to produce a dll, but instead writing the LLVM IR out to *.ll files in libs/aot-cache/ and loading them on demand

  • assets bundle updated, moved to GH (rather than just being a tarball on https://moso.com.au)

v0.60

Major changes

  • add xtlang "compiler cache" (see runtime/llvmti.xtm)
  • add MCJIT support (-DEXT_MCJIT), on by default
  • update LLVM to 3.7
  • remove OpenGL bindings from extempore binary (use glfw for context management instead)
  • refactor graphics pipeline - gl.xtm and gl-compatibility.xtm replace opengl.xtm, graphics-pipeline.xtm replaces shaders.xtm
  • add cmake build/install option
  • replace --runtime option with --sharedir, which should point to the top-level extempore directory (--runtime is kept in as an alias for --sharedir, although it points one level higher than it did previously)

Minor changes

  • rename code.ir to init.ll
  • add docstrings for bind-{val,poly,type,alias}
  • improved inline documentation: rich docstrings
  • change bind-val for number types to automatically wrap 'value' expressions in a call-as-xtlang
  • change AOT-compilation artefact location to libs/aot-cache
  • add portmidi lib bindings
  • add portaudio lib bindings
  • add nanovg lib bindings for hardware-accelerated 2D graphics, deprecate shivavg
  • change auto-compiled type dataconstructors: now, the default zalloc constructor is TypeName_z, which is bind-poly'd to TypeName
  • add bind-dylib macro, which automatically sets the variable impc:aot:current-load-dylib-info
  • bring PCRE in-tree, remove libpcre.a as a static dependency