diff --git a/pkgs/applications/audio/littlegptracker/default.nix b/pkgs/applications/audio/littlegptracker/default.nix
index d3cb9fcfab01..b575f717be74 100644
--- a/pkgs/applications/audio/littlegptracker/default.nix
+++ b/pkgs/applications/audio/littlegptracker/default.nix
@@ -8,7 +8,7 @@
 
 stdenv.mkDerivation {
   pname = "littlegptracker";
-  version = "unstable-2020-11-26";
+  version = "0-unstable-2020-11-26";
 
   src = fetchFromGitHub {
     owner = "Mdashdotdashn";
diff --git a/pkgs/applications/audio/mmlgui/default.nix b/pkgs/applications/audio/mmlgui/default.nix
index da7f4ddcab3e..d9197abd04dc 100644
--- a/pkgs/applications/audio/mmlgui/default.nix
+++ b/pkgs/applications/audio/mmlgui/default.nix
@@ -15,7 +15,7 @@
 
 stdenv.mkDerivation rec {
   pname = "mmlgui";
-  version = "unstable-2024-04-15";
+  version = "210420-preview-unstable-2024-04-15";
 
   src = fetchFromGitHub {
     owner = "superctr";
diff --git a/pkgs/applications/audio/mopidy/spotify.nix b/pkgs/applications/audio/mopidy/spotify.nix
index 58b5f852a4c9..4b6fe17e8225 100644
--- a/pkgs/applications/audio/mopidy/spotify.nix
+++ b/pkgs/applications/audio/mopidy/spotify.nix
@@ -2,7 +2,7 @@
 
 pythonPackages.buildPythonApplication rec {
   pname = "mopidy-spotify";
-  version = "unstable-2024-02-27";
+  version = "4.1.1-unstable-2024-02-27";
 
   src = fetchFromGitHub {
     owner = "mopidy";
@@ -22,7 +22,9 @@ pythonPackages.buildPythonApplication rec {
 
   pythonImportsCheck = [ "mopidy_spotify" ];
 
-  passthru.updateScript = unstableGitUpdater { };
+  passthru.updateScript = unstableGitUpdater {
+    tagPrefix = "v";
+  };
 
   meta = with lib; {
     homepage = "https://github.com/mopidy/mopidy-spotify";
diff --git a/pkgs/applications/audio/vgmplay-libvgm/default.nix b/pkgs/applications/audio/vgmplay-libvgm/default.nix
index 75701682e128..ebf227d21074 100644
--- a/pkgs/applications/audio/vgmplay-libvgm/default.nix
+++ b/pkgs/applications/audio/vgmplay-libvgm/default.nix
@@ -11,7 +11,7 @@
 
 stdenv.mkDerivation {
   pname = "vgmplay-libvgm";
-  version = "unstable-2024-01-03";
+  version = "0.51.1-unstable-2024-01-03";
 
   src = fetchFromGitHub {
     owner = "ValleyBell";
diff --git a/pkgs/applications/emulators/retroarch/retroarch-assets.nix b/pkgs/applications/emulators/retroarch/retroarch-assets.nix
index 29f58b99653f..b97d551a6c86 100644
--- a/pkgs/applications/emulators/retroarch/retroarch-assets.nix
+++ b/pkgs/applications/emulators/retroarch/retroarch-assets.nix
@@ -6,7 +6,7 @@
 
 stdenvNoCC.mkDerivation {
   pname = "retroarch-assets";
-  version = "unstable-2024-04-24";
+  version = "1.17.0-unstable-2024-04-24";
 
   src = fetchFromGitHub {
     owner = "libretro";
@@ -24,7 +24,9 @@ stdenvNoCC.mkDerivation {
 
   dontBuild = true;
 
-  passthru.updateScript = unstableGitUpdater { };
+  passthru.updateScript = unstableGitUpdater {
+    tagPrefix = "v";
+  };
 
   meta = with lib; {
     description = "Assets needed for RetroArch";
diff --git a/pkgs/applications/misc/kile-wl/default.nix b/pkgs/applications/misc/kile-wl/default.nix
index 842499f845a6..c33ca9bd2a68 100644
--- a/pkgs/applications/misc/kile-wl/default.nix
+++ b/pkgs/applications/misc/kile-wl/default.nix
@@ -2,7 +2,7 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "kile-wl";
-  version = "unstable-2023-07-23";
+  version = "2.1-unstable-2023-07-23";
 
   src = fetchFromGitLab {
     owner = "snakedye";
@@ -13,6 +13,7 @@ rustPlatform.buildRustPackage rec {
 
   passthru.updateScript = unstableGitUpdater {
     url = "https://gitlab.com/snakedye/kile.git";
+    tagPrefix = "v";
   };
 
   cargoLock = {
diff --git a/pkgs/applications/networking/instant-messengers/telegram/telegram-desktop/tg_owt.nix b/pkgs/applications/networking/instant-messengers/telegram/telegram-desktop/tg_owt.nix
index b9059e17bc26..8bc0f6f93b44 100644
--- a/pkgs/applications/networking/instant-messengers/telegram/telegram-desktop/tg_owt.nix
+++ b/pkgs/applications/networking/instant-messengers/telegram/telegram-desktop/tg_owt.nix
@@ -9,7 +9,7 @@
 
 stdenv.mkDerivation {
   pname = "tg_owt";
-  version = "unstable-2023-12-21";
+  version = "0-unstable-2023-12-21";
 
   src = fetchFromGitHub {
     owner = "desktop-app";
diff --git a/pkgs/applications/networking/p2p/libutp/3.4.nix b/pkgs/applications/networking/p2p/libutp/3.4.nix
index 6f543789fd61..35a3b0a8f659 100644
--- a/pkgs/applications/networking/p2p/libutp/3.4.nix
+++ b/pkgs/applications/networking/p2p/libutp/3.4.nix
@@ -2,7 +2,7 @@
 
 stdenv.mkDerivation rec {
   pname = "libutp";
-  version = "unstable-2023-11-14";
+  version = "0-unstable-2023-11-14";
 
   src = fetchFromGitHub {
     # Use transmission fork from post-3.4-transmission branch
diff --git a/pkgs/applications/networking/p2p/transgui/default.nix b/pkgs/applications/networking/p2p/transgui/default.nix
index 707ff45b3498..70259e087bb8 100644
--- a/pkgs/applications/networking/p2p/transgui/default.nix
+++ b/pkgs/applications/networking/p2p/transgui/default.nix
@@ -4,7 +4,7 @@
 
 stdenv.mkDerivation rec {
   pname = "transgui";
-  version = "unstable-2024-02-26";
+  version = "5.18.0-unstable-2024-02-26";
 
   src = fetchFromGitHub {
     owner = "transmission-remote-gui";
@@ -60,7 +60,9 @@ stdenv.mkDerivation rec {
     cp -r "./lang" "$out/share/transgui"
   '';
 
-  passthru.updateScript = unstableGitUpdater { };
+  passthru.updateScript = unstableGitUpdater {
+    tagPrefix = "v";
+  };
 
   meta = {
     description = "A cross platform front-end for the Transmission BitTorrent client";
diff --git a/pkgs/applications/networking/sync/wdt/default.nix b/pkgs/applications/networking/sync/wdt/default.nix
index 521453e5ecb8..34eef64b9f79 100644
--- a/pkgs/applications/networking/sync/wdt/default.nix
+++ b/pkgs/applications/networking/sync/wdt/default.nix
@@ -14,7 +14,7 @@
 
 stdenv.mkDerivation {
   pname = "wdt";
-  version = "unstable-2024-02-05";
+  version = "1.27.1612021-unstable-2024-02-05";
 
   src = fetchFromGitHub {
     owner = "facebook";
@@ -37,7 +37,9 @@ stdenv.mkDerivation {
   ];
 
   passthru = {
-    updateScript = unstableGitUpdater { };
+    updateScript = unstableGitUpdater {
+      tagPrefix = "v";
+    };
   };
 
   meta = with lib; {
diff --git a/pkgs/applications/radio/chirp/default.nix b/pkgs/applications/radio/chirp/default.nix
index 066c93361899..0bb054e3d52e 100644
--- a/pkgs/applications/radio/chirp/default.nix
+++ b/pkgs/applications/radio/chirp/default.nix
@@ -1,5 +1,6 @@
 { lib
 , fetchFromGitHub
+, writeShellScript
 , glib
 , gsettings-desktop-schemas
 , python3
@@ -9,7 +10,7 @@
 
 python3.pkgs.buildPythonApplication rec {
   pname = "chirp";
-  version = "unstable-2024-02-08";
+  version = "0.4.0-unstable-2024-02-08";
 
   src = fetchFromGitHub {
     owner = "kk7ds";
@@ -37,7 +38,9 @@ python3.pkgs.buildPythonApplication rec {
   doCheck = false;
 
   passthru.updateScript = unstableGitUpdater {
-    branch = "py3";
+    tagConverter = writeShellScript "chirp-tag-converter.sh" ''
+      sed -e 's/^release_//g' -e 's/_/./g'
+    '';
   };
 
   meta = with lib; {
diff --git a/pkgs/applications/science/math/eigenmath/default.nix b/pkgs/applications/science/math/eigenmath/default.nix
index 029138a852fa..feddf92821c6 100644
--- a/pkgs/applications/science/math/eigenmath/default.nix
+++ b/pkgs/applications/science/math/eigenmath/default.nix
@@ -7,7 +7,7 @@
 
 stdenv.mkDerivation rec {
   pname = "eigenmath";
-  version = "unstable-2024-04-26";
+  version = "0-unstable-2024-04-26";
 
   src = fetchFromGitHub {
     owner = "georgeweigt";
diff --git a/pkgs/applications/window-managers/miriway/default.nix b/pkgs/applications/window-managers/miriway/default.nix
index da1b4e153831..8575c10a6ad6 100644
--- a/pkgs/applications/window-managers/miriway/default.nix
+++ b/pkgs/applications/window-managers/miriway/default.nix
@@ -11,7 +11,7 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "miriway";
-  version = "unstable-2024-04-25";
+  version = "0-unstable-2024-04-25";
 
   src = fetchFromGitHub {
     owner = "Miriway";