diff --git a/pkgs/by-name/ae/aegisub/000-remove-bundled-luajit.patch b/pkgs/by-name/ae/aegisub/000-remove-bundled-luajit.patch
deleted file mode 100644
index d2b7dd0b5755..000000000000
--- a/pkgs/by-name/ae/aegisub/000-remove-bundled-luajit.patch
+++ /dev/null
@@ -1,271 +0,0 @@
-diff --git a/CMakeLists.test.txt b/CMakeLists.test.txt
-index 4d1a03177..62fab05c9 100644
---- a/CMakeLists.test.txt
-+++ b/CMakeLists.test.txt
-@@ -2,7 +2,7 @@ if(UNIX)
-     add_executable(aegisub-lua EXCLUDE_FROM_ALL
-         automation/tests/aegisub.cpp
-     )
--    target_link_libraries(aegisub-lua PRIVATE libaegisub luabins luajit "Boost::locale" "ICU::in")
-+    target_link_libraries(aegisub-lua PRIVATE libaegisub luabins luajit-5.1 "Boost::locale" "ICU::in")
-     add_custom_target(test-automation
-         COMMAND sh -c "$(luarocks path); ${PROJECT_BINARY_DIR}/aegisub-lua tests/busted.lua -p moon tests/modules"
-         VERBATIM
-diff --git a/CMakeLists.txt b/CMakeLists.txt
-index ce2e355ff..4d4396451 100644
---- a/CMakeLists.txt
-+++ b/CMakeLists.txt
-@@ -13,210 +13,6 @@ if(NOT CMAKE_BUILD_TYPE)
-     set(CMAKE_BUILD_TYPE Release)
- endif()
- 
--## Build bundled LuaJIT with aegisub specific patches
--add_executable(luajit-minilua vendor/luajit/src/host/minilua.c)
--if(NOT WIN32)
--    target_link_libraries(luajit-minilua m)
--endif()
--if(WIN32)
--    if(CMAKE_SIZEOF_VOID_P EQUAL 8)
--        add_custom_command(
--            OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/vendor/luajit/src/gen/buildvm_arch.h"
--            COMMAND ${CMAKE_COMMAND} -E make_directory "${CMAKE_CURRENT_BINARY_DIR}/vendor/luajit/src/gen"
--            COMMAND luajit-minilua ../dynasm/dynasm.lua -LN -D WIN -D JIT -D FFI -D P64 -o "${CMAKE_CURRENT_BINARY_DIR}/vendor/luajit/src/gen/buildvm_arch.h" vm_x86.dasc
--            WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/vendor/luajit/src
--        )
--    else()
--        add_custom_command(
--            OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/vendor/luajit/src/gen/buildvm_arch.h"
--            COMMAND ${CMAKE_COMMAND} -E make_directory "${CMAKE_CURRENT_BINARY_DIR}/vendor/luajit/src/gen"
--            COMMAND luajit-minilua ../dynasm/dynasm.lua -LN -D WIN -D JIT -D FFI -o "${CMAKE_CURRENT_BINARY_DIR}/vendor/luajit/src/gen/buildvm_arch.h" vm_x86.dasc
--            WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/vendor/luajit/src
--        )
--    endif()
--elseif(APPLE)
--    if(CMAKE_HOST_SYSTEM_PROCESSOR STREQUAL "arm64")
--        add_custom_command(
--            OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/vendor/luajit/src/gen/buildvm_arch.h"
--            COMMAND ${CMAKE_COMMAND} -E make_directory "${CMAKE_CURRENT_BINARY_DIR}/vendor/luajit/src/gen"
--            COMMAND luajit-minilua ../dynasm/dynasm.lua -D ENDIAN_LE -D P64 -D FFI -D DUALNUM -D FPU -D HFABI -D NO_UNWIND -D VER=80 -o "${CMAKE_CURRENT_BINARY_DIR}/vendor/luajit/src/gen/buildvm_arch.h" vm_arm64.dasc
--            WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/vendor/luajit/src
--        )
--    else()
--        add_custom_command(
--            OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/vendor/luajit/src/gen/buildvm_arch.h"
--            COMMAND ${CMAKE_COMMAND} -E make_directory "${CMAKE_CURRENT_BINARY_DIR}/vendor/luajit/src/gen"
--            COMMAND luajit-minilua ../dynasm/dynasm.lua -D P64 -D JIT -D FFI -D FPU -D HFABI -D VER= -o "${CMAKE_CURRENT_BINARY_DIR}/vendor/luajit/src/gen/buildvm_arch.h" vm_x64.dasc
--            WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/vendor/luajit/src
--        )
--    endif()
--else()
--    if(CMAKE_SIZEOF_VOID_P EQUAL 8)
--        add_custom_command(
--            OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/vendor/luajit/src/gen/buildvm_arch.h"
--            COMMAND ${CMAKE_COMMAND} -E make_directory "${CMAKE_CURRENT_BINARY_DIR}/vendor/luajit/src/gen"
--            COMMAND luajit-minilua ../dynasm/dynasm.lua -D P64 -D JIT -D FFI -D FPU -D HFABI -D VER= -o "${CMAKE_CURRENT_BINARY_DIR}/vendor/luajit/src/gen/buildvm_arch.h" vm_x86.dasc
--            WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/vendor/luajit/src
--        )
--    else()
--        add_custom_command(
--            OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/vendor/luajit/src/gen/buildvm_arch.h"
--            COMMAND ${CMAKE_COMMAND} -E make_directory "${CMAKE_CURRENT_BINARY_DIR}/vendor/luajit/src/gen"
--            COMMAND luajit-minilua ../dynasm/dynasm.lua -D JIT -D FFI -D FPU -D HFABI -D VER= -o "${CMAKE_CURRENT_BINARY_DIR}/vendor/luajit/src/gen/buildvm_arch.h" vm_x86.dasc
--            WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/vendor/luajit/src
--        )
--    endif()
--endif()
--
--add_executable(luajit-buildvm
--    vendor/luajit/src/host/buildvm.c
--    vendor/luajit/src/host/buildvm_asm.c
--    vendor/luajit/src/host/buildvm_peobj.c
--    vendor/luajit/src/host/buildvm_lib.c
--    vendor/luajit/src/host/buildvm_fold.c
--
--    "${CMAKE_CURRENT_BINARY_DIR}/vendor/luajit/src/gen/buildvm_arch.h"
--)
--target_compile_definitions(luajit-buildvm PRIVATE LUAJIT_ENABLE_LUA52COMPAT)
--target_include_directories(luajit-buildvm PRIVATE vendor/luajit/src "${CMAKE_CURRENT_BINARY_DIR}/vendor/luajit/src/gen")
--
--if(APPLE)
--    add_custom_command(
--        OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/vendor/luajit/src/lj_vm.s"
--        COMMAND luajit-buildvm -m machasm -o "${CMAKE_CURRENT_BINARY_DIR}/vendor/luajit/src/lj_vm.s"
--    )
--elseif(UNIX)
--    add_custom_command(
--        OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/vendor/luajit/src/lj_vm.s"
--        COMMAND luajit-buildvm -m elfasm -o "${CMAKE_CURRENT_BINARY_DIR}/vendor/luajit/src/lj_vm.s"
--    )
--elseif(MSVC)
--    add_custom_command(
--        OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/vendor/luajit/src/lj_vm.obj"
--        COMMAND luajit-buildvm -m peobj -o "${CMAKE_CURRENT_BINARY_DIR}/vendor/luajit/src/lj_vm.obj"
--    )
--endif()
--add_custom_command(
--    OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/vendor/luajit/src/gen/lj_ffdef.h"
--    COMMAND luajit-buildvm -m ffdef -o "${CMAKE_CURRENT_BINARY_DIR}/vendor/luajit/src/gen/lj_ffdef.h" lib_base.c lib_math.c lib_bit.c lib_string.c lib_table.c lib_io.c lib_os.c lib_package.c lib_debug.c lib_jit.c lib_ffi.c
--    WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/vendor/luajit/src
--)
--add_custom_command(
--    OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/vendor/luajit/src/gen/lj_bcdef.h"
--    COMMAND luajit-buildvm -m bcdef -o "${CMAKE_CURRENT_BINARY_DIR}/vendor/luajit/src/gen/lj_bcdef.h" lib_base.c lib_math.c lib_bit.c lib_string.c lib_table.c lib_io.c lib_os.c lib_package.c lib_debug.c lib_jit.c lib_ffi.c
--    WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/vendor/luajit/src
--)
--add_custom_command(
--    OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/vendor/luajit/src/gen/lj_folddef.h"
--    COMMAND luajit-buildvm -m folddef -o "${CMAKE_CURRENT_BINARY_DIR}/vendor/luajit/src/gen/lj_folddef.h" lj_opt_fold.c
--    WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/vendor/luajit/src
--)
--add_custom_command(
--    OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/vendor/luajit/src/gen/lj_recdef.h"
--    COMMAND luajit-buildvm -m recdef -o "${CMAKE_CURRENT_BINARY_DIR}/vendor/luajit/src/gen/lj_recdef.h" lib_base.c lib_math.c lib_bit.c lib_string.c lib_table.c lib_io.c lib_os.c lib_package.c lib_debug.c lib_jit.c lib_ffi.c
--    WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/vendor/luajit/src
--)
--add_custom_command(
--    OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/vendor/luajit/src/gen/lj_libdef.h"
--    COMMAND luajit-buildvm -m libdef -o "${CMAKE_CURRENT_BINARY_DIR}/vendor/luajit/src/gen/lj_libdef.h" lib_base.c lib_math.c lib_bit.c lib_string.c lib_table.c lib_io.c lib_os.c lib_package.c lib_debug.c lib_jit.c lib_ffi.c
--    WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/vendor/luajit/src
--)
--add_custom_command(
--    OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/vendor/luajit/src/jit/vmdef.lua"
--    COMMAND luajit-buildvm -m vmdef -o "${CMAKE_CURRENT_BINARY_DIR}/vendor/luajit/src/jit/vmdef.lua" lib_base.c lib_math.c lib_bit.c lib_string.c lib_table.c lib_io.c lib_os.c lib_package.c lib_debug.c lib_jit.c lib_ffi.c
--    WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/vendor/luajit/src
--)
--
--add_library(luajit STATIC
--    vendor/luajit/src/lib_base.c
--    vendor/luajit/src/lib_math.c
--    vendor/luajit/src/lib_bit.c
--    vendor/luajit/src/lib_string.c
--    vendor/luajit/src/lib_table.c
--    vendor/luajit/src/lib_io.c
--    vendor/luajit/src/lib_os.c
--    vendor/luajit/src/lib_package.c
--    vendor/luajit/src/lib_debug.c
--    vendor/luajit/src/lib_jit.c
--    vendor/luajit/src/lib_ffi.c
--    vendor/luajit/src/lj_gc.c
--    vendor/luajit/src/lj_err.c
--    vendor/luajit/src/lj_char.c
--    vendor/luajit/src/lj_bc.c
--    vendor/luajit/src/lj_obj.c
--    vendor/luajit/src/lj_buf.c
--    vendor/luajit/src/lj_str.c
--    vendor/luajit/src/lj_tab.c
--    vendor/luajit/src/lj_func.c
--    vendor/luajit/src/lj_udata.c
--    vendor/luajit/src/lj_meta.c
--    vendor/luajit/src/lj_debug.c
--    vendor/luajit/src/lj_state.c
--    vendor/luajit/src/lj_dispatch.c
--    vendor/luajit/src/lj_vmevent.c
--    vendor/luajit/src/lj_vmmath.c
--    vendor/luajit/src/lj_strscan.c
--    vendor/luajit/src/lj_strfmt.c
--    vendor/luajit/src/lj_strfmt_num.c
--    vendor/luajit/src/lj_api.c
--    vendor/luajit/src/lj_profile.c
--    vendor/luajit/src/lj_lex.c
--    vendor/luajit/src/lj_parse.c
--    vendor/luajit/src/lj_bcread.c
--    vendor/luajit/src/lj_bcwrite.c
--    vendor/luajit/src/lj_load.c
--    vendor/luajit/src/lj_ir.c
--    vendor/luajit/src/lj_opt_mem.c
--    vendor/luajit/src/lj_opt_fold.c
--    vendor/luajit/src/lj_opt_narrow.c
--    vendor/luajit/src/lj_opt_dce.c
--    vendor/luajit/src/lj_opt_loop.c
--    vendor/luajit/src/lj_opt_split.c
--    vendor/luajit/src/lj_opt_sink.c
--    vendor/luajit/src/lj_mcode.c
--    vendor/luajit/src/lj_snap.c
--    vendor/luajit/src/lj_record.c
--    vendor/luajit/src/lj_crecord.c
--    vendor/luajit/src/lj_ffrecord.c
--    vendor/luajit/src/lj_asm.c
--    vendor/luajit/src/lj_trace.c
--    vendor/luajit/src/lj_gdbjit.c
--    vendor/luajit/src/lj_ctype.c
--    vendor/luajit/src/lj_cdata.c
--    vendor/luajit/src/lj_cconv.c
--    vendor/luajit/src/lj_ccall.c
--    vendor/luajit/src/lj_ccallback.c
--    vendor/luajit/src/lj_carith.c
--    vendor/luajit/src/lj_clib.c
--    vendor/luajit/src/lj_cparse.c
--    vendor/luajit/src/lj_lib.c
--    vendor/luajit/src/lj_alloc.c
--    vendor/luajit/src/lib_aux.c
--    vendor/luajit/src/lib_init.c
--
--    "${CMAKE_CURRENT_BINARY_DIR}/vendor/luajit/src/gen/lj_ffdef.h"
--    "${CMAKE_CURRENT_BINARY_DIR}/vendor/luajit/src/gen/lj_bcdef.h"
--    "${CMAKE_CURRENT_BINARY_DIR}/vendor/luajit/src/gen/lj_folddef.h"
--    "${CMAKE_CURRENT_BINARY_DIR}/vendor/luajit/src/gen/lj_recdef.h"
--    "${CMAKE_CURRENT_BINARY_DIR}/vendor/luajit/src/gen/lj_libdef.h"
--    # "${CMAKE_CURRENT_BINARY_DIR}/vendor/luajit/src/jit/vmdef.lua"
--)
--target_compile_definitions(luajit PRIVATE LUAJIT_ENABLE_LUA52COMPAT)
--target_include_directories(luajit PRIVATE "${CMAKE_CURRENT_BINARY_DIR}/vendor/luajit/src/gen" PUBLIC "vendor/luajit/src")
--if(WIN32)
--    target_sources(luajit PRIVATE "${CMAKE_CURRENT_BINARY_DIR}/vendor/luajit/src/lj_vm.obj")
--else()
--    enable_language(ASM)
--    target_sources(luajit PRIVATE "${CMAKE_CURRENT_BINARY_DIR}/vendor/luajit/src/lj_vm.s")
--    target_link_libraries(luajit ${CMAKE_DL_LIBS})
--endif()
--if(APPLE)
--    if(NOT CMAKE_HOST_SYSTEM_PROCESSOR STREQUAL "arm64")
--        target_compile_definitions(luajit-buildvm PRIVATE LUAJIT_ENABLE_GC64)
--        target_compile_definitions(luajit PRIVATE LUAJIT_ENABLE_GC64)
--    endif()
--endif()
--
- add_subdirectory(vendor/luabins)
- 
- ## libaegisub
-@@ -310,18 +106,18 @@ if(APPLE)
- else()
-     target_precompile_headers(libaegisub PRIVATE "libaegisub/lagi_pre.h")
- endif()
--target_link_libraries(libaegisub PRIVATE luajit luabins)
-+target_link_libraries(libaegisub PRIVATE luajit-5.1 luabins)
- 
- add_custom_command(
-     OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/src/libresrc/default_config.cpp" "${CMAKE_CURRENT_BINARY_DIR}/src/libresrc/default_config.h"
-     DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/src/libresrc/default_config_platform.json"
--    COMMAND luajit-minilua "${PROJECT_SOURCE_DIR}/tools/respack.lua" manifest.respack default_config.cpp default_config.h
-+    COMMAND luajit "${PROJECT_SOURCE_DIR}/tools/respack.lua" manifest.respack default_config.cpp default_config.h
-     WORKING_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/src/libresrc"
- )
- 
- add_custom_command(
-     OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/src/libresrc/bitmap.cpp" "${CMAKE_CURRENT_BINARY_DIR}/src/libresrc/bitmap.h"
--    COMMAND luajit-minilua ../../tools/respack.lua manifest.respack "${CMAKE_CURRENT_BINARY_DIR}/src/libresrc/bitmap.cpp" "${CMAKE_CURRENT_BINARY_DIR}/src/libresrc/bitmap.h"
-+    COMMAND luajit ../../tools/respack.lua manifest.respack "${CMAKE_CURRENT_BINARY_DIR}/src/libresrc/bitmap.cpp" "${CMAKE_CURRENT_BINARY_DIR}/src/libresrc/bitmap.h"
-     WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/src/bitmaps
- )
- 
-@@ -496,7 +292,7 @@ add_executable(Aegisub WIN32
-     src/video_slider.cpp
-     src/visual_feature.cpp
- )
--target_link_libraries(Aegisub PRIVATE ${CMAKE_DL_LIBS} libaegisub luajit)
-+target_link_libraries(Aegisub PRIVATE ${CMAKE_DL_LIBS} libaegisub luajit-5.1)
- target_compile_definitions(Aegisub PRIVATE CMAKE_BUILD)
- target_include_directories(Aegisub PRIVATE "src/libresrc" "${CMAKE_CURRENT_BINARY_DIR}/src/libresrc")
- if(APPLE)
-diff --git a/vendor/luabins/CMakeLists.txt b/vendor/luabins/CMakeLists.txt
-index 1fe1d2031..e2761527b 100644
---- a/vendor/luabins/CMakeLists.txt
-+++ b/vendor/luabins/CMakeLists.txt
-@@ -36,4 +36,4 @@ add_library(luabins STATIC
-     src/savebuffer.c
-     src/write.c
- )
--target_link_libraries(luabins PRIVATE luajit)
-\ No newline at end of file
-+target_link_libraries(luabins PRIVATE luajit-5.1)
-\ No newline at end of file
diff --git a/pkgs/by-name/ae/aegisub/package.nix b/pkgs/by-name/ae/aegisub/package.nix
index d4c593fb5de1..c41162c9240d 100644
--- a/pkgs/by-name/ae/aegisub/package.nix
+++ b/pkgs/by-name/ae/aegisub/package.nix
@@ -2,9 +2,8 @@
   lib,
   alsa-lib,
   boost,
-  cmake,
+  meson,
   config,
-  darwin,
   expat,
   fetchFromGitHub,
   fetchpatch,
@@ -14,26 +13,22 @@
   fontconfig,
   freetype,
   fribidi,
-  glib,
   harfbuzz,
   hunspell,
   icu,
   intltool,
   libGL,
-  libGLU,
-  libX11,
   libass,
-  libiconv,
   libpulseaudio,
   libuchardet,
   luajit,
   ninja,
   openal,
-  pcre,
   pkg-config,
   portaudio,
+  python3,
   stdenv,
-  which,
+  vapoursynth-bestsource,
   wrapGAppsHook3,
   wxGTK,
   zlib,
@@ -46,36 +41,25 @@
   useBundledLuaJIT ? false,
 }:
 
-let
-  inherit (darwin.apple_sdk.frameworks)
-    AppKit
-    Carbon
-    Cocoa
-    CoreFoundation
-    CoreText
-    IOKit
-    OpenAL;
-in
 stdenv.mkDerivation (finalAttrs: {
   pname = "aegisub";
-  version = "3.3.3";
+  version = "feature_12";
 
   src = fetchFromGitHub {
-    owner = "wangqr";
+    owner = "arch1t3cht";
     repo = "aegisub";
-    rev = "v${finalAttrs.version}";
-    hash = "sha256-oKhLv81EFudrJaaJ2ga3pVh4W5Hd2YchpjsoYoqRm78=";
+    rev = finalAttrs.version;
+    hash = "sha256-P+0aUeFsjke3Jj/QtGJRdaS0negYSnhiuf5QCw2Of5Q=";
   };
 
   nativeBuildInputs = [
-    cmake
+    meson
     intltool
-    luajit
     ninja
     pkg-config
-    which
-    wrapGAppsHook3
+    python3
     wxGTK
+    wrapGAppsHook3
   ];
 
   buildInputs = [
@@ -87,33 +71,35 @@ stdenv.mkDerivation (finalAttrs: {
     fontconfig
     freetype
     fribidi
-    glib
     harfbuzz
     icu
     libGL
-    libGLU
-    libX11
     libass
-    libiconv
     libuchardet
-    pcre
+    vapoursynth-bestsource
     wxGTK
     zlib
   ]
   ++ lib.optionals alsaSupport [ alsa-lib ]
-  ++ lib.optionals openalSupport [
-    (if stdenv.hostPlatform.isDarwin then OpenAL else openal)
-  ]
+  ++ lib.optionals (openalSupport && !stdenv.hostPlatform.isDarwin) [ openal ]
   ++ lib.optionals portaudioSupport [ portaudio ]
   ++ lib.optionals pulseaudioSupport [ libpulseaudio ]
   ++ lib.optionals spellcheckSupport [ hunspell ]
-  ++ lib.optionals stdenv.hostPlatform.isDarwin [
-    AppKit
-    Carbon
-    Cocoa
-    CoreFoundation
-    CoreText
-    IOKit
+  ++ lib.optionals (!useBundledLuaJIT) [ luajit ];
+
+  mesonFlags = [
+    (lib.mesonEnable "alsa" alsaSupport)
+    (lib.mesonEnable "openal" openalSupport)
+    (lib.mesonEnable "libpulse" pulseaudioSupport)
+    (lib.mesonEnable "portaudio" portaudioSupport)
+
+    (lib.mesonEnable "avisynth" false)
+    # TODO: Requires upstream changes to allow using system VapourSynth.
+    (lib.mesonEnable "vapoursynth" false)
+
+    (lib.mesonEnable "hunspell" spellcheckSupport)
+
+    (lib.mesonBool "system_luajit" (!useBundledLuaJIT))
   ];
 
   hardeningDisable = [
@@ -121,38 +107,29 @@ stdenv.mkDerivation (finalAttrs: {
     "relro"
   ];
 
-  patches = [
-    (fetchpatch {
-      name = "move-iconv-include-to-charset_conv.h.patch";
-      url = "https://github.com/arch1t3cht/Aegisub/commit/b8f4c98c4cbc698e4adbba302c2dc328fe193435.patch";
-      hash = "sha256-dCm/VG+8yK7qWKWF4Ew/M2hbbAC/d3hiuRglR9BvWtw=";
-    })
-  ] ++ lib.optionals (!useBundledLuaJIT) [
-    ./000-remove-bundled-luajit.patch
-  ];
-
-  # error: unknown type name 'NSUInteger'
-  postPatch = ''
-    substituteInPlace src/dialog_colorpicker.cpp \
-      --replace-fail "NSUInteger" "size_t"
-  '';
-
-  env = {
-    NIX_CFLAGS_COMPILE = "-I${lib.getDev luajit}/include";
-    NIX_CFLAGS_LINK = "-L${lib.getLib luajit}/lib";
-  };
-
-  preConfigure = ''
-    export FORCE_GIT_VERSION=${finalAttrs.version}
-  '';
-
-  cmakeBuildDir = "build-directory";
-
   strictDeps = true;
 
+  postPatch = ''
+    patchShebangs tools/respack.py
+
+    # TODO: Tests require wrapped GoogleTest; upstream support for
+    # system version?
+    substituteInPlace meson.build \
+      --replace-fail "subdir('tests')" "# subdir('tests')"
+  '';
+
+  # Inject the version, per the AUR package:
+  # <https://aur.archlinux.org/cgit/aur.git/tree/PKGBUILD?h=aegisub-arch1t3cht&id=bbbea73953858fc7bf2775a0fb92cec49afb586c>
+  preBuild = ''
+    cat > git_version.h <<EOF
+    #define BUILD_GIT_VERSION_NUMBER 0
+    #define BUILD_GIT_VERSION_STRING "${finalAttrs.version}"
+    EOF
+  '';
+
   meta = {
-    homepage = "https://github.com/wangqr/Aegisub";
-    description = "Advanced subtitle editor; wangqr's fork";
+    homepage = "https://github.com/arch1t3cht/Aegisub";
+    description = "Advanced subtitle editor; arch1t3cht's fork";
     longDescription = ''
       Aegisub is a free, cross-platform open source tool for creating and
       modifying subtitles. Aegisub makes it quick and easy to time subtitles to
@@ -167,5 +144,7 @@ stdenv.mkDerivation (finalAttrs: {
     mainProgram = "aegisub";
     maintainers = with lib.maintainers; [ wegank ];
     platforms = lib.platforms.unix;
+    # No native wxWidgets and VapourSynth is broken.
+    badPlatforms = lib.platforms.darwin;
   };
 })
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 80c4c74d6161..6647c5932018 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -925,7 +925,6 @@ with pkgs;
   };
 
   aegisub = callPackage ../by-name/ae/aegisub/package.nix ({
-    boost = boost179;
     luajit = luajit.override { enable52Compat = true; };
     wxGTK = wxGTK32;
   } // (config.aegisub or {}));