diff --git a/easybuild/easyconfigs/g/Graphviz/Graphviz-7.0.6-GCCcore-12.2.0.eb b/easybuild/easyconfigs/g/Graphviz/Graphviz-7.0.6-GCC-12.2.0.eb
similarity index 97%
rename from easybuild/easyconfigs/g/Graphviz/Graphviz-7.0.6-GCCcore-12.2.0.eb
rename to easybuild/easyconfigs/g/Graphviz/Graphviz-7.0.6-GCC-12.2.0.eb
index 12ce0ab50b5..ba8c8c4672f 100644
--- a/easybuild/easyconfigs/g/Graphviz/Graphviz-7.0.6-GCCcore-12.2.0.eb
+++ b/easybuild/easyconfigs/g/Graphviz/Graphviz-7.0.6-GCC-12.2.0.eb
@@ -11,7 +11,7 @@ description = """Graphviz is open source graph visualization software. Graph vis
  bioinformatics,  software engineering, database and web design, machine learning,
  and in visual interfaces for other technical domains."""
 
-toolchain = {'name': 'GCCcore', 'version': '12.2.0'}
+toolchain = {'name': 'GCC', 'version': '12.2.0'}
 
 source_urls = ['https://gitlab.com/graphviz/graphviz/-/archive/%(version)s']
 sources = [SOURCELOWER_TAR_GZ]
@@ -44,7 +44,7 @@ dependencies = [
     ('expat', '2.4.9'),
     ('poppler', '23.01.0'),
     ('librsvg', '2.56.0'),
-    ('libwebp', '1.3.0'),
+    ('libwebp', '1.3.1'),
 ]
 
 preconfigopts = './autogen.sh NOCONFIG && '
diff --git a/easybuild/easyconfigs/l/librsvg/librsvg-2.56.0-GCCcore-12.2.0.eb b/easybuild/easyconfigs/l/librsvg/librsvg-2.56.0-GCCcore-12.2.0.eb
index d17abeae7a5..204d44f1891 100644
--- a/easybuild/easyconfigs/l/librsvg/librsvg-2.56.0-GCCcore-12.2.0.eb
+++ b/easybuild/easyconfigs/l/librsvg/librsvg-2.56.0-GCCcore-12.2.0.eb
@@ -14,6 +14,7 @@ checksums = ['194b5097d9cd107495f49c291cf0da65ec2b4bb55e5628369751a3f44ba222b3']
 
 builddependencies = [
     ('binutils', '2.39'),
+    ('pkgconfig', '1.5.5', '-python'),
     ('Rust', '1.65.0'),
 ]
 
diff --git a/easybuild/easyconfigs/l/libwebp/libwebp-1.3.0-GCCcore-12.2.0.eb b/easybuild/easyconfigs/l/libwebp/libwebp-1.3.0-GCCcore-12.2.0.eb
deleted file mode 100644
index b055cffc231..00000000000
--- a/easybuild/easyconfigs/l/libwebp/libwebp-1.3.0-GCCcore-12.2.0.eb
+++ /dev/null
@@ -1,44 +0,0 @@
-easyblock = 'ConfigureMake'
-
-name = 'libwebp'
-version = '1.3.0'
-
-homepage = 'https://developers.google.com/speed/webp/'
-description = """WebP is a modern image format that provides superior
-lossless and lossy compression for images on the web. Using WebP,
-webmasters and web developers can create smaller, richer images that
-make the web faster."""
-
-toolchain = {'name': 'GCCcore', 'version': '12.2.0'}
-
-source_urls = ['https://storage.googleapis.com/downloads.webmproject.org/releases/webp']
-sources = [SOURCELOWER_TAR_GZ]
-checksums = ['64ac4614db292ae8c5aa26de0295bf1623dbb3985054cb656c55e67431def17c']
-
-builddependencies = [
-    ('binutils', '2.39'),
-]
-dependencies = [
-    ('libjpeg-turbo', '2.1.4'),
-    ('libpng', '1.6.38'),
-    ('LibTIFF', '4.4.0'),
-    ('giflib', '5.2.1'),
-]
-
-configopts = '--enable-libwebpmux'
-
-local_headers, local_libs = (
-    ['decode.h', 'demux.h', 'encode.h', 'mux.h', 'mux_types.h', 'types.h'],
-    ['webp', 'webpdemux', 'webpmux']
-)
-
-sanity_check_paths = {
-    'files': (
-        ['include/webp/%s' % h for h in local_headers] +
-        ['lib/lib%s.a' % s for s in local_libs] +
-        ['lib/lib%s.%s' % (s, SHLIB_EXT) for s in local_libs]
-    ),
-    'dirs': ['lib/']
-}
-
-moduleclass = 'lib'
diff --git a/easybuild/easyconfigs/p/poppler/poppler-23.01.0-GCCcore-12.2.0.eb b/easybuild/easyconfigs/p/poppler/poppler-23.01.0-GCC-12.2.0.eb
similarity index 93%
rename from easybuild/easyconfigs/p/poppler/poppler-23.01.0-GCCcore-12.2.0.eb
rename to easybuild/easyconfigs/p/poppler/poppler-23.01.0-GCC-12.2.0.eb
index d0229e544e2..87c41228c2c 100644
--- a/easybuild/easyconfigs/p/poppler/poppler-23.01.0-GCCcore-12.2.0.eb
+++ b/easybuild/easyconfigs/p/poppler/poppler-23.01.0-GCC-12.2.0.eb
@@ -6,13 +6,13 @@ version = '23.01.0'
 homepage = 'https://poppler.freedesktop.org'
 description = "Poppler is a PDF rendering library"
 
-toolchain = {'name': 'GCCcore', 'version': '12.2.0'}
+toolchain = {'name': 'GCC', 'version': '12.2.0'}
 
 builddependencies = [
     ('binutils', '2.39'),
     ('CMake', '3.24.3'),
     ('pkgconf', '1.9.3'),
-    ('Python', '3.10.8', '-bare'),
+    ('Python', '3.10.8'),
 ]
 
 dependencies = [
@@ -22,7 +22,7 @@ dependencies = [
     ('libpng', '1.6.38'),
     ('NSS', '3.85'),
     ('LibTIFF', '4.4.0'),
-    ('Qt6', '6.4.2'),
+    ('Qt6', '6.5.2'),
     ('Boost', '1.81.0'),
     ('cairo', '1.17.4'),
     ('OpenJPEG', '2.5.0'),