diff --git a/.gitignore b/.gitignore
index 0cad801..59d33b5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,8 +1,7 @@
 /savedconfig/
 
-/repos.conf/
-
-10local
+/make.conf/10local
+/package.mask/10local
 
 cross-*
 crossdev*
diff --git a/package.accept_keywords/llvm b/package.accept_keywords/llvm
deleted file mode 100644
index a0ef036..0000000
--- a/package.accept_keywords/llvm
+++ /dev/null
@@ -1,17 +0,0 @@
-# # temporary to not have to downgrade LLVM
-# =sys-devel/llvm-18.1.8-r4 ~amd64
-# 
-# # LLVM 19
-# =sys-devel/llvm-19.1.4 ~amd64
-# =sys-devel/clang-19.1.4 ~amd64
-# =sys-devel/lld-19.1.4 ~amd64
-# 
-# =sys-devel/clang-common-19.1.4 ~amd64
-# =sys-devel/clang-runtime-19.1.4 ~amd64
-# sys-devel/clang-toolchain-symlinks:19 ~amd64
-# =sys-libs/compiler-rt-19.1.4 ~amd64
-# =sys-libs/compiler-rt-sanitizers-19.1.4 ~amd64
-# =sys-libs/libomp-19.1.4 ~amd64
-# sys-devel/lld-toolchain-symlinks:19 ~amd64
-# sys-devel/llvm-toolchain-symlinks:19 ~amd64
-# =sys-devel/llvmgold-19 ~amd64
diff --git a/package.env/nvidia-drivers b/package.env/nvidia-drivers
new file mode 100644
index 0000000..7fb4ef0
--- /dev/null
+++ b/package.env/nvidia-drivers
@@ -0,0 +1 @@
+x11-drivers/nvidia-drivers lld
diff --git a/package.use/coq b/package.use/coq
new file mode 100644
index 0000000..ce1d32e
--- /dev/null
+++ b/package.use/coq
@@ -0,0 +1 @@
+dev-ml/lablgtk sourceview
diff --git a/package.use/firefox b/package.use/firefox
index cbd5a80..a9a6f0a 100644
--- a/package.use/firefox
+++ b/package.use/firefox
@@ -1,4 +1,6 @@
 www-client/firefox hwaccel openh264
 
+# required by www-client/firefox-102.13.0::gentoo[system-libvpx]
+# required by firefox (argument)
 media-libs/libvpx postproc
 
diff --git a/package.use/fish b/package.use/fish
new file mode 100644
index 0000000..ca7b227
--- /dev/null
+++ b/package.use/fish
@@ -0,0 +1,4 @@
+
+# required by app-shells/fish-3.4.0::gentoo
+# required by fish (argument)
+dev-libs/libpcre2 pcre32
diff --git a/package.use/graphviz b/package.use/graphviz
index a2c5492..313bba4 100644
--- a/package.use/graphviz
+++ b/package.use/graphviz
@@ -1 +1,3 @@
-media-libs/gd fontconfig
+# required by media-gfx/graphviz-8.0.5::gentoo
+# required by media-gfx/graphviz (argument)
+>=media-libs/gd-2.3.3-r3 fontconfig
diff --git a/package.use/ipython b/package.use/ipython
index 8e2a2f4..e04aa63 100644
--- a/package.use/ipython
+++ b/package.use/ipython
@@ -1,3 +1,6 @@
 dev-python/ipython -qt5
 dev-python/pillow webp
 dev-qt/qtmultimedia widgets
+
+# dev-python/QtPy printsupport
+# dev-python/PyQt5 sql
diff --git a/package.use/lem b/package.use/lem
deleted file mode 100644
index 21cda26..0000000
--- a/package.use/lem
+++ /dev/null
@@ -1 +0,0 @@
-media-libs/freetype harfbuzz
diff --git a/package.use/llvm-18 b/package.use/llvm-18
new file mode 100644
index 0000000..4447571
--- /dev/null
+++ b/package.use/llvm-18
@@ -0,0 +1 @@
+www-client/firefox LLVM_SLOT: -17 18
diff --git a/package.use/nbdkit b/package.use/nbdkit
deleted file mode 100644
index d8cb15d..0000000
--- a/package.use/nbdkit
+++ /dev/null
@@ -1 +0,0 @@
-sys-block/nbdkit libvirt nbd
diff --git a/package.use/python b/package.use/python
new file mode 100644
index 0000000..cd83b81
--- /dev/null
+++ b/package.use/python
@@ -0,0 +1,2 @@
+*/* PYTHON_TARGETS: python3_11 python3_12
+*/* PYTHON_SINGLE_TARGET: python3_12
diff --git a/package.use/rust b/package.use/rust
index 7c80b9c..faf4238 100644
--- a/package.use/rust
+++ b/package.use/rust
@@ -1,2 +1,3 @@
-dev-lang/rust llvm-libunwind lto system-llvm
-# dev-lang/rust-bin
+virtual/rust profiler
+dev-lang/rust clippy llvm-libunwind lto profiler rust-analyzer rust-src rustfmt system-bootstrap system-llvm
+dev-lang/rust-bin clippy profiler rust-analyzer rust-src rustfmt
diff --git a/package.use/thunar b/package.use/thunar
index 2d03854..1a80d12 100644
--- a/package.use/thunar
+++ b/package.use/thunar
@@ -1,3 +1,6 @@
+# required by xfce-base/xfce4-panel-4.18.4::gentoo[dbusmenu]
+# required by xfce-base/thunar-4.18.4::gentoo[trash-panel-plugin]
+# required by thunar (argument)
 dev-libs/libdbusmenu gtk3
 
 xfce-base/thunar -trash-panel-plugin
diff --git a/package.use/virt-manager b/package.use/virt-manager
deleted file mode 100644
index bca37f3..0000000
--- a/package.use/virt-manager
+++ /dev/null
@@ -1 +0,0 @@
-net-misc/spice-gtk usbredir