diff --git a/env/clang-18 b/env/clang-18
index 4645c59..1a1c23a 100644
--- a/env/clang-18
+++ b/env/clang-18
@@ -10,7 +10,7 @@ CXX="clang++-18"
 
 AR="llvm-ar"
 AS="clang-18 -c"
-CPP="clang-cpp"
+CPP="clang-cpp-18"
 NM="llvm-nm"
 STRIP="llvm-strip"
 RANLIB="llvm-ranlib"
@@ -29,6 +29,6 @@ LDFLAGS="${LDFLAGS} -rtlib=compiler-rt -unwindlib=libunwind"
 
 LDFLAGS="${LDFLAGS} -fuse-ld=lld -flto"
 
-RUSTFLAGS="-C target-cpu=native -C opt-level=3 -C linker=clang-18 -C link-arg=-fuse-ld=mold" 
+# RUSTFLAGS="-C target-cpu=native -C opt-level=3 -C linker=clang-18 -C link-arg=-fuse-ld=mold" 
 
 USE="${USE} clang llvm-libunwind"
diff --git a/env/clang-19 b/env/clang-19
new file mode 100644
index 0000000..d4f1e6e
--- /dev/null
+++ b/env/clang-19
@@ -0,0 +1,34 @@
+COMMON_FLAGS="-O2 -pipe -march=native -flto=thin"
+
+CFLAGS="${COMMON_FLAGS}"
+CXXFLAGS="${COMMON_FLAGS}"
+FCFLAGS="${COMMON_FLAGS}"
+FFLAGS="${COMMON_FLAGS}"
+
+CC="clang-19"
+CXX="clang++-19"
+
+AR="llvm-ar"
+AS="clang-19 -c"
+CPP="clang-cpp-19"
+NM="llvm-nm"
+STRIP="llvm-strip"
+RANLIB="llvm-ranlib"
+OBJCOPY="llvm-objcopy"
+STRINGS="llvm-strings"
+OBJDUMP="llvm-objdump"
+READELF="llvm-readelf"
+ADDR2LINE="llvm-addr2line"
+
+
+LD="ld.lld"
+
+LDFLAGS="-Wl,-O1 -Wl,--as-needed"
+
+LDFLAGS="${LDFLAGS} -rtlib=compiler-rt -unwindlib=libunwind"
+
+LDFLAGS="${LDFLAGS} -fuse-ld=lld -flto"
+
+# RUSTFLAGS="-C target-cpu=native -C opt-level=3 -C linker=clang-19 -C link-arg=-fuse-ld=mold" 
+
+USE="${USE} clang llvm-libunwind"
diff --git a/env/clang-20 b/env/clang-20
new file mode 100644
index 0000000..b3f53f9
--- /dev/null
+++ b/env/clang-20
@@ -0,0 +1,34 @@
+COMMON_FLAGS="-O2 -pipe -march=native -flto=thin"
+
+CFLAGS="${COMMON_FLAGS}"
+CXXFLAGS="${COMMON_FLAGS}"
+FCFLAGS="${COMMON_FLAGS}"
+FFLAGS="${COMMON_FLAGS}"
+
+CC="clang-20"
+CXX="clang++-20"
+
+AR="llvm-ar"
+AS="clang-20 -c"
+CPP="clang-cpp-20"
+NM="llvm-nm"
+STRIP="llvm-strip"
+RANLIB="llvm-ranlib"
+OBJCOPY="llvm-objcopy"
+STRINGS="llvm-strings"
+OBJDUMP="llvm-objdump"
+READELF="llvm-readelf"
+ADDR2LINE="llvm-addr2line"
+
+
+LD="ld.lld"
+
+LDFLAGS="-Wl,-O1 -Wl,--as-needed"
+
+LDFLAGS="${LDFLAGS} -rtlib=compiler-rt -unwindlib=libunwind"
+
+LDFLAGS="${LDFLAGS} -fuse-ld=lld -flto"
+
+# RUSTFLAGS="-C target-cpu=native -C opt-level=3 -C linker=clang-20 -C link-arg=-fuse-ld=mold" 
+
+USE="${USE} clang llvm-libunwind"
diff --git a/make.conf/00common b/make.conf/00common
index f8b6fe4..aa431fb 100644
--- a/make.conf/00common
+++ b/make.conf/00common
@@ -1,4 +1,4 @@
-RUSTFLAGS="-C target-cpu=native -C opt-level=3 -C linker=clang -C link-arg=-fuse-ld=mold"
+RUSTFLAGS="-C target-cpu=native -C opt-level=3"
 
 PORTAGE_STRIP_FLAGS="--strip-unneeded -N __gentoo_check_ldflags__ -R .GCC.command.line"
 
diff --git a/package.accept_keywords/fish b/package.accept_keywords/fish
new file mode 100644
index 0000000..fd5ec5a
--- /dev/null
+++ b/package.accept_keywords/fish
@@ -0,0 +1 @@
+app-shells/fish ~amd64
diff --git a/package.env/00compiler b/package.env/00compiler
index aa0adf8..7b484a5 100644
--- a/package.env/00compiler
+++ b/package.env/00compiler
@@ -1,59 +1,59 @@
-*/* clang mold
+*/* clang-19 mold
 
-sys-devel/gcc gcc mold
+sys-devel/gcc gcc
 
-sys-kernel/gentoo-kernel clang lld no-lto
-sys-kernel/gentoo-kernel-bin clang lld no-lto
-sys-kernel/* gcc mold no-lto
+sys-kernel/gentoo-kernel lld no-lto
+sys-kernel/gentoo-kernel-bin lld no-lto
+sys-kernel/* gcc no-lto
 
-x11-drivers/nvidia-drivers clang lld
+x11-drivers/nvidia-drivers lld
 
 # dev-libs/glib no-lto
 sys-libs/glibc no-lto
 
-sys-devel/binutils gcc mold
-sys-libs/binutils-libs gcc mold no-lto
+sys-devel/binutils gcc
+sys-libs/binutils-libs gcc no-lto
 
 
-app-arch/unzip gcc mold no-lto
-app-arch/tar gcc mold no-lto
+app-arch/unzip gcc no-lto
+app-arch/tar gcc no-lto
 
 
-dev-libs/libvterm gcc mold
-dev-libs/libtermkey gcc mold
-dev-libs/libtomcrypt clang mold no-lto
-dev-libs/libgudev gcc mold no-lto
+dev-libs/libvterm gcc
+dev-libs/libtermkey gcc
+dev-libs/libtomcrypt no-lto
+dev-libs/libgudev gcc no-lto
 
-media-gfx/sam2p gcc mold
+media-gfx/sam2p gcc
 
 
-dev-lang/ghc gcc mold no-lto
+dev-lang/ghc gcc no-lto
 app-admin/haskell-updater gcc
-dev-haskell/* gcc mold
+dev-haskell/* gcc
 
-dev-lang/perl gcc mold
-dev-perl/* gcc mold
-perl-core/* gcc mold
+dev-lang/perl gcc
+dev-perl/* gcc
+perl-core/* gcc
 
-dev-ml/* gcc mold no-lto
+dev-ml/* gcc no-lto
 
-sci-libs/lapack gcc mold
-sci-libs/fftw gcc mold
+sci-libs/lapack gcc
+sci-libs/fftw gcc
 
 
-dev-qt/qtcore clang mold no-lto
+dev-qt/qtcore no-lto
 
 
-gui-libs/gtk clang lld
-www-client/chromium clang lld
-net-libs/nodejs clang lld
+gui-libs/gtk lld
+www-client/chromium lld
+net-libs/nodejs lld
 
-dev-lang/nim clang mold no-lto
+dev-lang/nim no-lto
 
-app-crypt/seahorse gcc mold
+app-crypt/seahorse gcc
 
 dev-scheme/racket gcc
 
-llvm-core/llvm:18 clang-18 mold
-llvm-core/clang:18 clang-18 mold
+llvm-core/llvm:18 clang-18
+llvm-core/clang:18 clang-18
 
diff --git a/package.use/clang b/package.use/clang
index d45baa6..e86eba5 100644
--- a/package.use/clang
+++ b/package.use/clang
@@ -1,3 +1,4 @@
 llvm-core/clang-common default-lld default-compiler-rt default-libunwind
+llvm-core/clang-runtime default-lld default-compiler-rt
 
 llvm-runtimes/libunwind static-libs
diff --git a/package.use/python_targets b/package.use/python_targets
new file mode 100644
index 0000000..60a1475
--- /dev/null
+++ b/package.use/python_targets
@@ -0,0 +1,8 @@
+*/* PYTHON_TARGETS: python3_12 python3_13 python3_13t
+
+*/* PYTHON_SINGLE_TARGET: -python3_12 python3_13
+
+dev-libs/libixion PYTHON_SINGLE_TARGET: python3_12
+dev-libs/liborcus PYTHON_SINGLE_TARGET: python3_12
+net-mail/mailutils PYTHON_SINGLE_TARGET: python3_12
+sys-apps/dtc PYTHON_SINGLE_TARGET: python3_12