diff --git a/CI/physmon/reference/trackfinding_ttbar_pu200/performance_ckf.root b/CI/physmon/reference/trackfinding_ttbar_pu200/performance_ckf.root
index f7fb66f24ab2..b02aa3773acb 100644
Binary files a/CI/physmon/reference/trackfinding_ttbar_pu200/performance_ckf.root and b/CI/physmon/reference/trackfinding_ttbar_pu200/performance_ckf.root differ
diff --git a/CI/physmon/reference/trackfinding_ttbar_pu200/performance_ckf_ambi.root b/CI/physmon/reference/trackfinding_ttbar_pu200/performance_ckf_ambi.root
index 8fbd66c0abb7..35c6a2c8519e 100644
Binary files a/CI/physmon/reference/trackfinding_ttbar_pu200/performance_ckf_ambi.root and b/CI/physmon/reference/trackfinding_ttbar_pu200/performance_ckf_ambi.root differ
diff --git a/CI/physmon/reference/trackfinding_ttbar_pu200/performance_vertexing_amvf_gauss_notime_hist.root b/CI/physmon/reference/trackfinding_ttbar_pu200/performance_vertexing_amvf_gauss_notime_hist.root
index cb71ba79000f..4cd67bc9becc 100644
Binary files a/CI/physmon/reference/trackfinding_ttbar_pu200/performance_vertexing_amvf_gauss_notime_hist.root and b/CI/physmon/reference/trackfinding_ttbar_pu200/performance_vertexing_amvf_gauss_notime_hist.root differ
diff --git a/CI/physmon/reference/trackfinding_ttbar_pu200/performance_vertexing_amvf_grid_time_hist.root b/CI/physmon/reference/trackfinding_ttbar_pu200/performance_vertexing_amvf_grid_time_hist.root
index 0980823e57c9..3ee1d6b2e89e 100644
Binary files a/CI/physmon/reference/trackfinding_ttbar_pu200/performance_vertexing_amvf_grid_time_hist.root and b/CI/physmon/reference/trackfinding_ttbar_pu200/performance_vertexing_amvf_grid_time_hist.root differ
diff --git a/Core/include/Acts/Utilities/Iterator.hpp b/Core/include/Acts/Utilities/Iterator.hpp
index ccdff61c061a..a69e6c77faa1 100644
--- a/Core/include/Acts/Utilities/Iterator.hpp
+++ b/Core/include/Acts/Utilities/Iterator.hpp
@@ -22,6 +22,8 @@ class ContainerIndexIterator {
   using container_type =
       std::conditional_t<Const, const _Container, _Container>;
   using difference_type = std::ptrdiff_t;
+  using pointer = void;
+  using reference = void;
 
   ContainerIndexIterator() : m_container(nullptr), m_index(0) {}
 
diff --git a/Examples/Algorithms/TrackFinding/src/TrackParamsEstimationAlgorithm.cpp b/Examples/Algorithms/TrackFinding/src/TrackParamsEstimationAlgorithm.cpp
index c5dbc8bb6257..880e1571517f 100644
--- a/Examples/Algorithms/TrackFinding/src/TrackParamsEstimationAlgorithm.cpp
+++ b/Examples/Algorithms/TrackFinding/src/TrackParamsEstimationAlgorithm.cpp
@@ -56,7 +56,7 @@ Acts::BoundSquareMatrix makeInitialCovariance(
 
       // theta contribution
       variance +=
-          varianceTheta * std::pow(params[Acts::eBoundQOverP] *
+          varianceTheta * std::pow(params[Acts::eBoundQOverP] /
                                        std::tan(params[Acts::eBoundTheta]),
                                    2);
     }
@@ -77,11 +77,9 @@ Acts::BoundSquareMatrix makeInitialCovariance(
 
 }  // namespace
 
-ActsExamples::TrackParamsEstimationAlgorithm::TrackParamsEstimationAlgorithm(
-    ActsExamples::TrackParamsEstimationAlgorithm::Config cfg,
-    Acts::Logging::Level lvl)
-    : ActsExamples::IAlgorithm("TrackParamsEstimationAlgorithm", lvl),
-      m_cfg(std::move(cfg)) {
+TrackParamsEstimationAlgorithm::TrackParamsEstimationAlgorithm(
+    TrackParamsEstimationAlgorithm::Config cfg, Acts::Logging::Level lvl)
+    : IAlgorithm("TrackParamsEstimationAlgorithm", lvl), m_cfg(std::move(cfg)) {
   if (m_cfg.inputSeeds.empty()) {
     throw std::invalid_argument("Missing seeds input collection");
   }
@@ -103,8 +101,8 @@ ActsExamples::TrackParamsEstimationAlgorithm::TrackParamsEstimationAlgorithm(
   m_outputTracks.maybeInitialize(m_cfg.outputProtoTracks);
 }
 
-ActsExamples::ProcessCode ActsExamples::TrackParamsEstimationAlgorithm::execute(
-    const ActsExamples::AlgorithmContext& ctx) const {
+ProcessCode TrackParamsEstimationAlgorithm::execute(
+    const AlgorithmContext& ctx) const {
   auto const& seeds = m_inputSeeds(ctx);
   ACTS_VERBOSE("Read " << seeds.size() << " seeds");
 
@@ -197,4 +195,5 @@ ActsExamples::ProcessCode ActsExamples::TrackParamsEstimationAlgorithm::execute(
 
   return ProcessCode::SUCCESS;
 }
+
 }  // namespace ActsExamples
diff --git a/Examples/Algorithms/TruthTracking/ActsExamples/TruthTracking/ParticleSmearing.cpp b/Examples/Algorithms/TruthTracking/ActsExamples/TruthTracking/ParticleSmearing.cpp
index f0d20f1a370e..937a5bc1863b 100644
--- a/Examples/Algorithms/TruthTracking/ActsExamples/TruthTracking/ParticleSmearing.cpp
+++ b/Examples/Algorithms/TruthTracking/ActsExamples/TruthTracking/ParticleSmearing.cpp
@@ -143,7 +143,7 @@ ActsExamples::ProcessCode ActsExamples::ParticleSmearing::execute(
 
             // theta contribution
             variance += varianceTheta *
-                        std::pow(params[Acts::eBoundQOverP] *
+                        std::pow(params[Acts::eBoundQOverP] /
                                      std::tan(params[Acts::eBoundTheta]),
                                  2);
           }
diff --git a/Examples/Python/tests/root_file_hashes.txt b/Examples/Python/tests/root_file_hashes.txt
index 368a7c45ef38..84f90c6d8114 100644
--- a/Examples/Python/tests/root_file_hashes.txt
+++ b/Examples/Python/tests/root_file_hashes.txt
@@ -3,16 +3,16 @@ test_fatras__particles_simulation.root: bc970873fef0c2efd86ed5413623802353d2cd04
 test_fatras__hits.root: 6e4beb045fa1712c4d14c280ba33c3fa13e4aff9de88d55c3e32f62ad226f724
 test_geant4__particles_simulation.root: 3c9c6265183b04c9d62ed5f2d0709c6dd74e33fbb53ac0aeb3274f6600257fc1
 test_geant4__hits.root: adf5dcdf000a580412dc5089e17460897d6535c978eafa021584ba4281d0a1ac
-test_seeding__estimatedparams.root: ff9b876f07de7e352c71f11dccdbaed93b6ef0328bba40c4f6c9fdb2090f386e
+test_seeding__estimatedparams.root: 69c0e268f9025a0991a212ea2a7f26f53112fecf614b475605bd1cb08415ba56
 test_seeding__performance_seeding.root: 992f9c611d30dde0d3f3ab676bab19ada61ab6a4442828e27b65ec5e5b7a2880
 test_seeding__particles.root: 7855b021f39ad238bca098e4282667be0666f2d1630e5bcb9d51d3b5ee39fa14
 test_seeding__particles_simulation.root: 87d9c6c82422ca381a17735096b36c547eacb5dda2f26d7377614bd97a70ab1a
-test_hashing_seeding__estimatedparams.root: 77658e952bbceb5a61b0235c76f4dbb7bb5994a8ef32b769197ddcfe46ade241
-test_seeding_orthogonal__estimatedparams.root: 47718b57d59d9b9686bd7a7bb5958d668c0a953ad6b094601ca7b27f530db786
+test_hashing_seeding__estimatedparams.root: 1f43b760e80089b5674e106d00d962d74be564cbf33ae38222052ebb6f9cbf3a
+test_seeding_orthogonal__estimatedparams.root: ca5896ec325daf5c8012291bc454269c61c32fe3d7e33bd1fa3b812826930299
 test_seeding_orthogonal__performance_seeding.root: 60fbedcf5cb2b37cd8e526251940564432890d3a159d231ed819e915a904682c
 test_seeding_orthogonal__particles.root: 7855b021f39ad238bca098e4282667be0666f2d1630e5bcb9d51d3b5ee39fa14
 test_seeding_orthogonal__particles_simulation.root: 87d9c6c82422ca381a17735096b36c547eacb5dda2f26d7377614bd97a70ab1a
-test_itk_seeding__estimatedparams.root: 1266e99f1885a3c74a58471a4d6e750ad8fd87c7372a9ab929e8b99603b42ac8
+test_itk_seeding__estimatedparams.root: 1cc05f9f2aefb5f71a85b31e97bc4e5845fedfcef6c53199495a6340c6b6210b
 test_itk_seeding__performance_seeding.root: 78ebda54cd0f026ba4b7f316724ffd946de56a932735914baf1b7bba9505c29d
 test_itk_seeding__particles.root: 0b6f4ad438010ac48803d48ed98e80b5e87d310bae6c2c02b16cd94d7a4d7d07
 test_itk_seeding__particles_simulation.root: ef0246069aa697019f28a8b270a68de95312cae5f2f2c74848566c3ce4f70363
@@ -33,22 +33,22 @@ test_digitization_example_input[smeared]__particles.root: 5fe7dda2933ee6b9615b06
 test_digitization_example_input[smeared]__measurements.root: 243c2f69b7b0db9dbeaa7494d4ea0f3dd1691dc90f16e10df6c0491ff4dc7d62
 test_digitization_example_input[geometric]__particles.root: 5fe7dda2933ee6b9615b064d192322fe07831133cd998e5ed99a3b992b713a10
 test_digitization_example_input[geometric]__measurements.root: 63ec81635979058fb8976f94455bf490cf92b7b142c4a05cc39de6225f5de2fb
-test_ckf_tracks_example[generic-full_seeding]__trackstates_ckf.root: e041089f5ddf060580f068a951621882082b4659d935965c118b76f6c3944fd2
-test_ckf_tracks_example[generic-full_seeding]__tracksummary_ckf.root: 4d2e26c352285aed77e46e09ee1977eb34cd82a29b0cb08f162a61ea76f71f17
+test_ckf_tracks_example[generic-full_seeding]__trackstates_ckf.root: f15437e7873a92615e7f967cbcb8c48119e7fa31136817dc275d186552ce8b26
+test_ckf_tracks_example[generic-full_seeding]__tracksummary_ckf.root: d5e8542d2b735cd8ab60774bb5dbe01b1e0b0924dffff1ff719723802a4933e6
 test_ckf_tracks_example[generic-full_seeding]__performance_seeding_trees.root: 0e0676ffafdb27112fbda50d1cf627859fa745760f98073261dcf6db3f2f991e
-test_ckf_tracks_example[generic-truth_estimated]__trackstates_ckf.root: 71a48e6d22be7f01611394ed7bd5a4a498aade6e20deb7efb0d9bd67dd950970
-test_ckf_tracks_example[generic-truth_estimated]__tracksummary_ckf.root: 5a973ec1c159681361ac069809e364cef4ec3e0efcafb05689f1175764f438b4
+test_ckf_tracks_example[generic-truth_estimated]__trackstates_ckf.root: 2f4d7d5fed66bc2c7d7df6eff2637ab1c34877eb84123bf8e543731fe5d96b91
+test_ckf_tracks_example[generic-truth_estimated]__tracksummary_ckf.root: 1d0931cd08865cf8d69e1d9b4e7b87aaa1dc4337bdd14cb925c45553851b6040
 test_ckf_tracks_example[generic-truth_estimated]__performance_seeding.root: 1facb05c066221f6361b61f015cdf0918e94d9f3fce2269ec7b6a4dffeb2bc7e
-test_ckf_tracks_example[generic-truth_smeared]__trackstates_ckf.root: b10f61d3b68ecc3d1910a17aeadd01a1e23b31b6418935809d1f12e95eac607a
-test_ckf_tracks_example[generic-truth_smeared]__tracksummary_ckf.root: 69733ede1fc08370b5c0d0535f274b59bb51217239bd6645ff62ec9dadaa1f41
-test_ckf_tracks_example[odd-full_seeding]__trackstates_ckf.root: 33a68b20005a92b88bf7d01179a4b4fe3c1476a2019176904356924c0ad68f4b
-test_ckf_tracks_example[odd-full_seeding]__tracksummary_ckf.root: 749a53533fed3d550c2e37f504bac5a8ab5c5cdf60d5055dcd545aa44613601a
+test_ckf_tracks_example[generic-truth_smeared]__trackstates_ckf.root: 9d5c3d943d3baccacb9969430386b71a6c5570c0d4ee50c09b8ef5471b9a42cd
+test_ckf_tracks_example[generic-truth_smeared]__tracksummary_ckf.root: 1f38a7fe0f5ff1d8f054b8120caf55243104f49da6c39a8dd17defaf4547aa07
+test_ckf_tracks_example[odd-full_seeding]__trackstates_ckf.root: f373840f282f113667248d4f63a8cebec4d94d438fcf9508b30c6c4b2f220f23
+test_ckf_tracks_example[odd-full_seeding]__tracksummary_ckf.root: 9e4cf24b0be8e2285c453272a7a0424f75ff4d7d863db2ced4f178da390d9073
 test_ckf_tracks_example[odd-full_seeding]__performance_seeding_trees.root: 43c58577aafe07645e5660c4f43904efadf91d8cda45c5c04c248bbe0f59814f
-test_ckf_tracks_example[odd-truth_estimated]__trackstates_ckf.root: 7750f58b970c79dc3c937482e2a6e4576bc5d495fd6e4576d63ac2882d8283d4
-test_ckf_tracks_example[odd-truth_estimated]__tracksummary_ckf.root: f5d5d5521e367dd2e26365b896b079279a5a8b97b7e11d38eb0eb317740ad4dd
+test_ckf_tracks_example[odd-truth_estimated]__trackstates_ckf.root: 3246e7530ae263d8856e487b8cc5de392dcce54ba807e0299c6a409e139e0910
+test_ckf_tracks_example[odd-truth_estimated]__tracksummary_ckf.root: 1ab5d0271be05e47b5f367ae9f818c8de058ee841ac0b6c62c08521a81e11a9a
 test_ckf_tracks_example[odd-truth_estimated]__performance_seeding.root: 1a36b7017e59f1c08602ef3c2cb0483c51df248f112e3780c66594110719c575
-test_ckf_tracks_example[odd-truth_smeared]__trackstates_ckf.root: 33398059bf968f7279d4cc706f3b914fcf6f010ae82c43df8875785bda6f7cbe
-test_ckf_tracks_example[odd-truth_smeared]__tracksummary_ckf.root: 3d01335a51fb03c78a174c8b11d473b38ba9c4ed3d6cba201b3925f463411708
+test_ckf_tracks_example[odd-truth_smeared]__trackstates_ckf.root: 39f3d17a4f3fb9ba792ccf41b3851b5c690e8a7777e1777f072a3d9aa4aca66b
+test_ckf_tracks_example[odd-truth_smeared]__tracksummary_ckf.root: d6a05c8e8522e676d65c5a1cc634938340689b53f057a4d4c75c3b2c8efb1169
 test_vertex_fitting_reading[Truth-False-100]__performance_vertexing.root: 76ef6084d758dfdfc0151ddec2170e12d73394424e3dac4ffe46f0f339ec8293
 test_vertex_fitting_reading[Iterative-False-100]__performance_vertexing.root: 60372210c830a04f95ceb78c6c68a9b0de217746ff59e8e73053750c837b57eb
 test_vertex_fitting_reading[Iterative-True-100]__performance_vertexing.root: e34f217d524a5051dbb04a811d3407df3ebe2cc4bb7f54f6bda0847dbd7b52c3