diff --git a/pkgs/applications/editors/eclipse/build-eclipse.nix b/pkgs/applications/editors/eclipse/build-eclipse.nix
index 7773c1e75f2..46642d6755f 100644
--- a/pkgs/applications/editors/eclipse/build-eclipse.nix
+++ b/pkgs/applications/editors/eclipse/build-eclipse.nix
@@ -2,7 +2,7 @@
 , zlib, jdk, glib, glib-networking, gtk, libXtst, libsecret, gsettings-desktop-schemas, webkitgtk
 , makeWrapper, perl, ... }:
 
-{ name, src ? builtins.getAttr stdenv.hostPlatform.system sources, sources ? null, description }:
+{ name, src ? builtins.getAttr stdenv.hostPlatform.system sources, sources ? null, description, productVersion }:
 
 stdenv.mkDerivation rec {
   inherit name src;
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
     categories = [ "Development" ];
   };
 
-  nativeBuildInputs = [ makeWrapper ];
+  nativeBuildInputs = [ makeWrapper perl ];
   buildInputs = [
     fontconfig freetype glib gsettings-desktop-schemas gtk jdk libX11
     libXrender libXtst libsecret zlib
@@ -38,14 +38,13 @@ stdenv.mkDerivation rec {
     # settings in ~/.eclipse/org.eclipse.platform_<version> rather
     # than ~/.eclipse/org.eclipse.platform_<version>_<number>.
     productId=$(sed 's/id=//; t; d' $out/eclipse/.eclipseproduct)
-    productVersion=$(sed 's/version=//; t; d' $out/eclipse/.eclipseproduct)
 
     makeWrapper $out/eclipse/eclipse $out/bin/eclipse \
       --prefix PATH : ${jdk}/bin \
       --prefix LD_LIBRARY_PATH : ${lib.makeLibraryPath ([ glib gtk libXtst libsecret ] ++ lib.optional (webkitgtk != null) webkitgtk)} \
       --prefix GIO_EXTRA_MODULES : "${glib-networking}/lib/gio/modules" \
       --prefix XDG_DATA_DIRS : "$GSETTINGS_SCHEMAS_PATH" \
-      --add-flags "-configuration \$HOME/.eclipse/''${productId}_$productVersion/configuration"
+      --add-flags "-configuration \$HOME/.eclipse/''${productId}_${productVersion}/configuration"
 
     # Create desktop item.
     mkdir -p $out/share/applications
@@ -54,7 +53,7 @@ stdenv.mkDerivation rec {
     ln -s $out/eclipse/icon.xpm $out/share/pixmaps/eclipse.xpm
 
     # ensure eclipse.ini does not try to use a justj jvm, as those aren't compatible with nix
-    ${perl}/bin/perl -i -p0e 's|-vm\nplugins/org.eclipse.justj.*/jre/bin\n||' $out/eclipse/eclipse.ini
+    perl -i -p0e 's|-vm\nplugins/org.eclipse.justj.*/jre/bin.*\n||' $out/eclipse/eclipse.ini
   ''; # */
 
   meta = {
diff --git a/pkgs/applications/editors/eclipse/default.nix b/pkgs/applications/editors/eclipse/default.nix
index a0b0fa56de1..686ec368118 100644
--- a/pkgs/applications/editors/eclipse/default.nix
+++ b/pkgs/applications/editors/eclipse/default.nix
@@ -10,15 +10,15 @@
 # find the downloads needed for new versions
 #
 # to test:
-# $ for e in cpp modeling platform sdk java jee committers rcp; do nix build -f default.nix pkgs.eclipses.eclipse-${e} -o eclipse-${e}; done
+# for e in cpp modeling platform sdk java jee committers rcp; do for s in pkgs pkgsCross.aarch64-multiplatform; do echo; echo $s $e; nix build -f default.nix ${s}.eclipses.eclipse-${e} -o eclipse-${s}-${e}; done; done
 
 let
   platform_major = "4";
-  platform_minor = "26";
-  year = "2022";
-  month = "12"; #release month
-  buildmonth = "11"; #sometimes differs from release month
-  timestamp = "${year}${buildmonth}231800";
+  platform_minor = "27";
+  year = "2023";
+  month = "03"; #release month
+  buildmonth = "03"; #sometimes differs from release month
+  timestamp = "${year}${buildmonth}020300";
   gtk = gtk3;
   arch = if stdenv.hostPlatform.isx86_64 then
     "x86_64"
@@ -27,11 +27,13 @@ let
   else throw "don't know what platform suffix for ${stdenv.hostPlatform.system} will be";
 in rec {
 
-  buildEclipse = callPackage ./build-eclipse.nix {
+  # work around https://bugs.eclipse.org/bugs/show_bug.cgi?id=476075#c3
+  buildEclipseUnversioned = callPackage ./build-eclipse.nix {
     inherit stdenv makeDesktopItem freetype fontconfig libX11 libXrender zlib
             jdk glib gtk libXtst gsettings-desktop-schemas webkitgtk
             makeWrapper;
   };
+  buildEclipse = eclipseData: buildEclipseUnversioned (eclipseData // { productVersion = "${platform_major}.${platform_minor}"; });
 
   ### Eclipse CPP
 
@@ -42,8 +44,8 @@ in rec {
       fetchurl {
         url = "https://www.eclipse.org/downloads/download.php?r=1&nf=1&file=/technology/epp/downloads/release/${year}-${month}/R/eclipse-cpp-${year}-${month}-R-linux-gtk-${arch}.tar.gz";
         hash = {
-          x86_64 = "sha512-nqqY4dewq1bjeNoZdWvOez+cBti+f9qXshx1eqJ2lB7sGJva5mcR9e+CZTVD0+EtVJ/U+8viJ+E1Veht1ZnqOw==";
-          aarch64 = "sha512-kmeNH6F8oK72LtrYtiJVLKhy6Q1HwnU+Bh+mpXdXSrfj9KtqzHQkJ0kTnnJkGYLtpi+zyXDwsxzyjh6pPyDRJA==";
+          x86_64 = "sha256-MBng3ETarHMlUUPpVvMIZxVqpe9JW5xNHonnN6CHRcw=";
+          aarch64 = "sha256-7FgpPzp5MY/fB6Q/wvrvi+Lpcm3tmH7bUTLh7q2Rjek=";
         }.${arch};
       };
   };
@@ -57,8 +59,8 @@ in rec {
       fetchurl {
         url = "https://www.eclipse.org/downloads/download.php?r=1&nf=1&file=/technology/epp/downloads/release/${year}-${month}/R/eclipse-modeling-${year}-${month}-R-linux-gtk-${arch}.tar.gz";
         hash = {
-          x86_64 = "sha512-WU2BJt6GL3ug3yOUOd5y6/AbGLcr2MkCg+QJiNIMkSXvoU9TF6R6oimoGVc3kPZmazRy6WYoes55T3bWrHnO8Q==";
-          aarch64 = "sha512-F63f2o9u/p7hhrxI+Eu6NiL4sPccIYw876Nnj8mfSZ7bozs1OVNWftZj+xbdLLbr0bVz3WKnt4BHzcLUA6QG7g==";
+          x86_64 = "sha256-BXofrKElgCG3+WUCanpX1sGLhirj2pLi+pi24Z+WjBk=";
+          aarch64 = "sha256-CdePRa6jmWlt3Wismt3RahGzYOm1ZDwQRt82kRVXSdM=";
         }.${arch};
       };
   };
@@ -72,8 +74,8 @@ in rec {
       fetchurl {
         url = "https://www.eclipse.org/downloads/download.php?r=1&nf=1&file=/eclipse/downloads/drops${platform_major}/R-${platform_major}.${platform_minor}-${timestamp}/eclipse-platform-${platform_major}.${platform_minor}-linux-gtk-${arch}.tar.gz";
         hash = {
-          x86_64 = "sha512-hmdWGteMDt4HhYq+k9twuftalpTzHtGnVVLphZcpJcw+6vJfersciDMaeLRqbCAeFbzJdgzjYo76bpP6FubySw==";
-          aarch64 = "sha512-BvUkOdCsjwtscPeuBXG7ZpitOr8EQK5JL8nSGpw/RhhBEFz46nsc7W18l0aYjdzRHh2ie55RylS2PEQELkS/hQ==";
+          x86_64 = "sha256-aprXjNv2NMoIDCNkFxwmMKcGUt2ssRonzTZ/hH57Mig=";
+          aarch64 = "sha256-Aq9PDVo/9zTeQ2j6q5bf1aIKjKM7oonIr1mEQ7rX48Y=";
         }.${arch};
       };
   };
@@ -81,9 +83,10 @@ in rec {
   ### Eclipse Scala SDK
 
   eclipse-scala-sdk =
-    (buildEclipse.override { jdk = jdk8; gtk = gtk2; } {
+    (buildEclipseUnversioned.override { jdk = jdk8; gtk = gtk2; } {
       name = "eclipse-scala-sdk-4.7.0";
       description = "Eclipse IDE for Scala Developers";
+      productVersion = "4.7";
       src =
         fetchurl {
           url = "https://downloads.typesafe.com/scalaide-pack/4.7.0-vfinal-oxygen-212-20170929/scala-SDK-4.7.0-vfinal-2.12-linux.gtk.x86_64.tar.gz";
@@ -103,8 +106,8 @@ in rec {
       fetchurl {
         url = "https://www.eclipse.org/downloads/download.php?r=1&nf=1&file=/eclipse/downloads/drops${platform_major}/R-${platform_major}.${platform_minor}-${timestamp}/eclipse-SDK-${platform_major}.${platform_minor}-linux-gtk-${arch}.tar.gz";
         hash = {
-          x86_64 = "sha512-yH4/K9sBLCUc2EVYwPL0dLql/S3AfaV6fFh7ewAuIb7yHtcsOWMqy/h1hZUlFFg2ykfwDWDDHEK7qfTI0hM7BQ==";
-          aarch64 = "sha512-UYp8t7r2RrN3rKN180cWpJyhyO5LVXL8LrTRKJzttUgB7kM1nroTEI3DesBu+Hw4Ynl7eLiBK397rqcpOAfxJw==";
+          x86_64 = "sha256-39DXU7wIsdxkUpNKnYPT7+qPJ2DrF7G7UJqPfhEDGGs=";
+          aarch64 = "sha256-7GwKGNHWPZ3uOFyzQj1dftFFz/3oa2j8XWkRn0wnllY=";
         }.${arch};
       };
   };
@@ -118,8 +121,8 @@ in rec {
       fetchurl {
         url = "https://www.eclipse.org/downloads/download.php?r=1&nf=1&file=/technology/epp/downloads/release/${year}-${month}/R/eclipse-java-${year}-${month}-R-linux-gtk-${arch}.tar.gz";
         hash = {
-          x86_64 = "sha512-71mXYVLVnyDjYZbJGBKc0aDPq8sbTxlVZRQq7GlSUDv2fsoNYWYgqYfK7RSED5yoasCfs3HUYr7QowRAKJOnfQ==";
-          aarch64 = "sha512-KOQ6BZuQJeVpbMQVxF67M3F/KXMmDhmZQBNq0yWM+/8+d0DiBRkwJtqPYsnTqrax8FSunn2yy+CzlfyHSoNvpg==";
+          x86_64 = "sha256-zNBzFHmNaxUutzMh/5pOglJiKh5NAvSVwvPYyA6RVr4=";
+          aarch64 = "sha256-RtLXB9kgpLERfhpvDTaJG84qVyN1Puud1PTZtk/WIO0=";
         }.${arch};
       };
   };
@@ -133,8 +136,8 @@ in rec {
       fetchurl {
         url = "https://www.eclipse.org/downloads/download.php?r=1&nf=1&file=/technology/epp/downloads/release/${year}-${month}/R/eclipse-jee-${year}-${month}-R-linux-gtk-${arch}.tar.gz";
         hash = {
-          x86_64 = "sha512-55i9YVOa+vKHt72vHIqy9BmKMkg1KaLqMStjTtfaLTH5yP0ei+NTP2XL8IBHOgu0hCEJqYXTq+3I3RQy476etQ==";
-          aarch64 = "sha512-iaoTB/Pinoj1weiGBBv0plQ4jGNdFs2JiBG7S/icUoAX5O6jTGAgJvOwh7Nzn+0N6YL6+HPWaV24a6lM43y8Og==";
+          x86_64 = "sha256-vpvmKZKVl6ubfq8QMDr0xprXYMWl576hu+ovvREN4ak=";
+          aarch64 = "sha256-5Yqxgl4kkN3Bb7hsTnd9q5TsCpVBVkEVvqPbL5MYEyg=";
         }.${arch};
       };
   };
@@ -148,8 +151,8 @@ in rec {
       fetchurl {
         url = "https://www.eclipse.org/downloads/download.php?r=1&nf=1&file=/technology/epp/downloads/release/${year}-${month}/R/eclipse-committers-${year}-${month}-R-linux-gtk-${arch}.tar.gz";
         hash = {
-          x86_64 = "sha512-zGeynifM0dn1214HEVS7OVtv7xa8asjLzOXh5riJK8c/DWvNrRduHn6o6PGnxYOYVIfC9BzNRAjG1STkWu9j+Q==";
-          aarch64 = "sha512-B866dFJcsTkq+h0RZ61CxXE83TWvCf8ZAbGeIC385PpPR3i/gZnRjN2oRrDP22CNR5XXA+PfXKxqvERhJB5ebA==";
+          x86_64 = "sha256-4SAiEZWSUaiK8QO2Hg39FBcj1aYRtbOJkeF1W1AMQBo=";
+          aarch64 = "sha256-+KGDlo6QK3o/n2vSiD0HpIkBwqwIiMXzdFUpfE48gps=";
         }.${arch};
       };
   };
@@ -163,8 +166,8 @@ in rec {
       fetchurl {
         url = "https://www.eclipse.org/downloads/download.php?r=1&nf=1&file=/technology/epp/downloads/release/${year}-${month}/R/eclipse-rcp-${year}-${month}-R-linux-gtk-${arch}.tar.gz";
         hash = {
-          x86_64 = "sha256-ml76ix0fHuR0KqYWQuTftEBAgq7iaOIyvr8V6WhuzeU=";
-          aarch64 = "sha256-sMB6a3f0fiL6ZentIjJTMi59ZOh7dizXrkMQuIRbds0=";
+          x86_64 = "sha256-bhcpzsS9cci3Y3Pk9DOrtPonKjRg/vzDqDr3Be/xfks=";
+          aarch64 = "sha256-YCb4leFWRtx4VPwK/5vgwwDH3/f0/0OWEy4ueAS7sUw=";
         }.${arch};
       };
   };
diff --git a/pkgs/applications/editors/eclipse/plugins.nix b/pkgs/applications/editors/eclipse/plugins.nix
index 5ae155f39f9..a8a248804b0 100644
--- a/pkgs/applications/editors/eclipse/plugins.nix
+++ b/pkgs/applications/editors/eclipse/plugins.nix
@@ -254,13 +254,13 @@ rec {
 
   cdt = buildEclipseUpdateSite rec {
     name = "cdt-${version}";
-    # find current version at https://www.eclipse.org/cdt/downloads.php
-    version = "11.0.0";
+    # find current version at https://github.com/eclipse-cdt/cdt/releases
+    version = "11.1.1";
 
     src = fetchzip {
       stripRoot = false;
       url = "https://www.eclipse.org/downloads/download.php?r=1&nf=1&file=/tools/cdt/releases/${lib.versions.majorMinor version}/${name}/${name}.zip";
-      hash = "sha256-2rt9crMqNFevIHFIdOGWDq+j0ZJPVt1a9Z7P9HG58Ks=";
+      hash = "sha256-k78QKPIb3Lr0Wcg2tTlX1abdpcvxspjaxJiP2Hrgb4A=";
     };
 
     meta = with lib; {