diff --git a/doc/html/Section_commands.html b/doc/html/Section_commands.html
index e92b48a4cf..7e3ed814a7 100644
--- a/doc/html/Section_commands.html
+++ b/doc/html/Section_commands.html
@@ -769,12 +769,12 @@ g = GPU, i = USER-INTEL, k = KOKKOS, o = USER-OMP, t = OPT.</p>
 <a class="reference internal" href="Section_start.html#start-3"><span class="std std-ref">LAMMPS is built with the appropriate package</span></a>.</p>
 <table border="1" class="docutils">
 <colgroup>
+<col width="15%" />
+<col width="15%" />
+<col width="15%" />
 <col width="20%" />
 <col width="14%" />
 <col width="22%" />
-<col width="14%" />
-<col width="15%" />
-<col width="15%" />
 </colgroup>
 <tbody valign="top">
 <tr class="row-odd"><td><a class="reference internal" href="fix_adapt_fep.html"><span class="doc">adapt/fep</span></a></td>
@@ -802,43 +802,43 @@ g = GPU, i = USER-INTEL, k = KOKKOS, o = USER-OMP, t = OPT.</p>
 <td><a class="reference internal" href="fix_lb_rigid_pc_sphere.html"><span class="doc">lb/rigid/pc/sphere</span></a></td>
 <td><a class="reference internal" href="fix_lb_viscous.html"><span class="doc">lb/viscous</span></a></td>
 <td><a class="reference internal" href="fix_meso.html"><span class="doc">meso</span></a></td>
+<td><a class="reference internal" href="fix_manifoldforce.html"><span class="doc">manifoldforce</span></a></td>
 <td><a class="reference internal" href="fix_meso_stationary.html"><span class="doc">meso/stationary</span></a></td>
-<td><a class="reference internal" href="fix_nh_eff.html"><span class="doc">nph/eff</span></a></td>
 </tr>
-<tr class="row-odd"><td><a class="reference internal" href="fix_nh_eff.html"><span class="doc">npt/eff</span></a></td>
+<tr class="row-odd"><td><a class="reference internal" href="fix_nve_manifold_rattle.html"><span class="doc">nve/manifold/rattle</span></a></td>
+<td><a class="reference internal" href="fix_nvt_manifold_rattle.html"><span class="doc">nvt/manifold/rattle</span></a></td>
+<td><a class="reference internal" href="fix_nh_eff.html"><span class="doc">nph/eff</span></a></td>
+<td><a class="reference internal" href="fix_nh_eff.html"><span class="doc">npt/eff</span></a></td>
 <td><a class="reference internal" href="fix_nve_eff.html"><span class="doc">nve/eff</span></a></td>
 <td><a class="reference internal" href="fix_nh_eff.html"><span class="doc">nvt/eff</span></a></td>
-<td><a class="reference internal" href="fix_nvt_sllod_eff.html"><span class="doc">nvt/sllod/eff</span></a></td>
+</tr>
+<tr class="row-even"><td><a class="reference internal" href="fix_nvt_sllod_eff.html"><span class="doc">nvt/sllod/eff</span></a></td>
 <td><a class="reference internal" href="fix_phonon.html"><span class="doc">phonon</span></a></td>
 <td><a class="reference internal" href="fix_pimd.html"><span class="doc">pimd</span></a></td>
-</tr>
-<tr class="row-even"><td><a class="reference internal" href="fix_qbmsst.html"><span class="doc">qbmsst</span></a></td>
+<td><a class="reference internal" href="fix_qbmsst.html"><span class="doc">qbmsst</span></a></td>
 <td><a class="reference internal" href="fix_qeq_reax.html"><span class="doc">qeq/reax</span></a></td>
 <td><a class="reference internal" href="fix_qmmm.html"><span class="doc">qmmm</span></a></td>
-<td><a class="reference internal" href="fix_qtb.html"><span class="doc">qtb</span></a></td>
+</tr>
+<tr class="row-odd"><td><a class="reference internal" href="fix_qtb.html"><span class="doc">qtb</span></a></td>
 <td><a class="reference internal" href="fix_reax_bonds.html"><span class="doc">reax/c/bonds</span></a></td>
 <td><a class="reference internal" href="fix_reaxc_species.html"><span class="doc">reax/c/species</span></a></td>
-</tr>
-<tr class="row-odd"><td><a class="reference internal" href="fix_saed_vtk.html"><span class="doc">saed/vtk</span></a></td>
+<td><a class="reference internal" href="fix_saed_vtk.html"><span class="doc">saed/vtk</span></a></td>
 <td><a class="reference internal" href="fix_shardlow.html"><span class="doc">shardlow</span></a></td>
 <td><a class="reference internal" href="fix_smd.html"><span class="doc">smd</span></a></td>
-<td><a class="reference internal" href="fix_smd_adjust_dt.html"><span class="doc">smd/adjust/dt</span></a></td>
+</tr>
+<tr class="row-even"><td><a class="reference internal" href="fix_smd_adjust_dt.html"><span class="doc">smd/adjust/dt</span></a></td>
 <td><a class="reference internal" href="fix_smd_integrate_tlsph.html"><span class="doc">smd/integrate/tlsph</span></a></td>
 <td><a class="reference internal" href="fix_smd_integrate_ulsph.html"><span class="doc">smd/integrate/ulsph</span></a></td>
-</tr>
-<tr class="row-even"><td><a class="reference internal" href="fix_smd_move_triangulated_surface.html"><span class="doc">smd/move/triangulated/surface</span></a></td>
+<td><a class="reference internal" href="fix_smd_move_triangulated_surface.html"><span class="doc">smd/move/triangulated/surface</span></a></td>
 <td><a class="reference internal" href="fix_smd_setvel.html"><span class="doc">smd/setvel</span></a></td>
 <td><a class="reference internal" href="fix_smd_tlsph_reference_configuration.html"><span class="doc">smd/tlsph/reference/configuration</span></a></td>
-<td><a class="reference internal" href="fix_smd_wall_surface.html"><span class="doc">smd/wall/surface</span></a></td>
+</tr>
+<tr class="row-odd"><td><a class="reference internal" href="fix_smd_wall_surface.html"><span class="doc">smd/wall/surface</span></a></td>
 <td><a class="reference internal" href="fix_temp_rescale_eff.html"><span class="doc">temp/rescale/eff</span></a></td>
 <td><a class="reference internal" href="fix_ti_rs.html"><span class="doc">ti/rs</span></a></td>
-</tr>
-<tr class="row-odd"><td><a class="reference internal" href="fix_ti_spring.html"><span class="doc">ti/spring</span></a></td>
+<td><a class="reference internal" href="fix_ti_spring.html"><span class="doc">ti/spring</span></a></td>
 <td><a class="reference internal" href="fix_ttm.html"><span class="doc">ttm/mod</span></a></td>
 <td>&nbsp;</td>
-<td>&nbsp;</td>
-<td>&nbsp;</td>
-<td>&nbsp;</td>
 </tr>
 </tbody>
 </table>
diff --git a/doc/html/_sources/Section_commands.txt b/doc/html/_sources/Section_commands.txt
index 7d6f77d488..5d96287717 100644
--- a/doc/html/_sources/Section_commands.txt
+++ b/doc/html/_sources/Section_commands.txt
@@ -492,25 +492,25 @@ g = GPU, i = USER-INTEL, k = KOKKOS, o = USER-OMP, t = OPT.
 These are additional fix styles in USER packages, which can be used if
 :ref:`LAMMPS is built with the appropriate package <start_3>`.
 
-+--------------------------------------------------------------------------+-----------------------------------------------------+----------------------------------------------------------------------------------+----------------------------------------------------+------------------------------------------------------+------------------------------------------------------+
-| :doc:`adapt/fep <fix_adapt_fep>`                                         | :doc:`addtorque <fix_addtorque>`                    | :doc:`atc <fix_atc>`                                                             | :doc:`ave/correlate/long <fix_ave_correlate_long>` | :doc:`ave/spatial/sphere <fix_ave_spatial_sphere>`   | :doc:`colvars <fix_colvars>`                         |
-+--------------------------------------------------------------------------+-----------------------------------------------------+----------------------------------------------------------------------------------+----------------------------------------------------+------------------------------------------------------+------------------------------------------------------+
-| :doc:`drude <fix_drude>`                                                 | :doc:`drude/transform/direct <fix_drude_transform>` | :doc:`drude/transform/reverse <fix_drude_transform>`                             | :doc:`eos/cv <fix_eos_cv>`                         | :doc:`eos/table <fix_eos_table>`                     | :doc:`gle <fix_gle>`                                 |
-+--------------------------------------------------------------------------+-----------------------------------------------------+----------------------------------------------------------------------------------+----------------------------------------------------+------------------------------------------------------+------------------------------------------------------+
-| :doc:`imd <fix_imd>`                                                     | :doc:`ipi <fix_ipi>`                                | :doc:`langevin/drude <fix_langevin_drude>`                                       | :doc:`langevin/eff <fix_langevin_eff>`             | :doc:`lb/fluid <fix_lb_fluid>`                       | :doc:`lb/momentum <fix_lb_momentum>`                 |
-+--------------------------------------------------------------------------+-----------------------------------------------------+----------------------------------------------------------------------------------+----------------------------------------------------+------------------------------------------------------+------------------------------------------------------+
-| :doc:`lb/pc <fix_lb_pc>`                                                 | :doc:`lb/rigid/pc/sphere <fix_lb_rigid_pc_sphere>`  | :doc:`lb/viscous <fix_lb_viscous>`                                               | :doc:`meso <fix_meso>`                             | :doc:`meso/stationary <fix_meso_stationary>`         | :doc:`nph/eff <fix_nh_eff>`                          |
-+--------------------------------------------------------------------------+-----------------------------------------------------+----------------------------------------------------------------------------------+----------------------------------------------------+------------------------------------------------------+------------------------------------------------------+
-| :doc:`npt/eff <fix_nh_eff>`                                              | :doc:`nve/eff <fix_nve_eff>`                        | :doc:`nvt/eff <fix_nh_eff>`                                                      | :doc:`nvt/sllod/eff <fix_nvt_sllod_eff>`           | :doc:`phonon <fix_phonon>`                           | :doc:`pimd <fix_pimd>`                               |
-+--------------------------------------------------------------------------+-----------------------------------------------------+----------------------------------------------------------------------------------+----------------------------------------------------+------------------------------------------------------+------------------------------------------------------+
-| :doc:`qbmsst <fix_qbmsst>`                                               | :doc:`qeq/reax <fix_qeq_reax>`                      | :doc:`qmmm <fix_qmmm>`                                                           | :doc:`qtb <fix_qtb>`                               | :doc:`reax/c/bonds <fix_reax_bonds>`                 | :doc:`reax/c/species <fix_reaxc_species>`            |
-+--------------------------------------------------------------------------+-----------------------------------------------------+----------------------------------------------------------------------------------+----------------------------------------------------+------------------------------------------------------+------------------------------------------------------+
-| :doc:`saed/vtk <fix_saed_vtk>`                                           | :doc:`shardlow <fix_shardlow>`                      | :doc:`smd <fix_smd>`                                                             | :doc:`smd/adjust/dt <fix_smd_adjust_dt>`           | :doc:`smd/integrate/tlsph <fix_smd_integrate_tlsph>` | :doc:`smd/integrate/ulsph <fix_smd_integrate_ulsph>` |
-+--------------------------------------------------------------------------+-----------------------------------------------------+----------------------------------------------------------------------------------+----------------------------------------------------+------------------------------------------------------+------------------------------------------------------+
-| :doc:`smd/move/triangulated/surface <fix_smd_move_triangulated_surface>` | :doc:`smd/setvel <fix_smd_setvel>`                  | :doc:`smd/tlsph/reference/configuration <fix_smd_tlsph_reference_configuration>` | :doc:`smd/wall/surface <fix_smd_wall_surface>`     | :doc:`temp/rescale/eff <fix_temp_rescale_eff>`       | :doc:`ti/rs <fix_ti_rs>`                             |
-+--------------------------------------------------------------------------+-----------------------------------------------------+----------------------------------------------------------------------------------+----------------------------------------------------+------------------------------------------------------+------------------------------------------------------+
-| :doc:`ti/spring <fix_ti_spring>`                                         | :doc:`ttm/mod <fix_ttm>`                            |                                                                                  |                                                    |                                                      |                                                      |
-+--------------------------------------------------------------------------+-----------------------------------------------------+----------------------------------------------------------------------------------+----------------------------------------------------+------------------------------------------------------+------------------------------------------------------+
++------------------------------------------------------+------------------------------------------------------+------------------------------------------------------+--------------------------------------------------------------------------+----------------------------------------------------+----------------------------------------------------------------------------------+
+| :doc:`adapt/fep <fix_adapt_fep>`                     | :doc:`addtorque <fix_addtorque>`                     | :doc:`atc <fix_atc>`                                 | :doc:`ave/correlate/long <fix_ave_correlate_long>`                       | :doc:`ave/spatial/sphere <fix_ave_spatial_sphere>` | :doc:`colvars <fix_colvars>`                                                     |
++------------------------------------------------------+------------------------------------------------------+------------------------------------------------------+--------------------------------------------------------------------------+----------------------------------------------------+----------------------------------------------------------------------------------+
+| :doc:`drude <fix_drude>`                             | :doc:`drude/transform/direct <fix_drude_transform>`  | :doc:`drude/transform/reverse <fix_drude_transform>` | :doc:`eos/cv <fix_eos_cv>`                                               | :doc:`eos/table <fix_eos_table>`                   | :doc:`gle <fix_gle>`                                                             |
++------------------------------------------------------+------------------------------------------------------+------------------------------------------------------+--------------------------------------------------------------------------+----------------------------------------------------+----------------------------------------------------------------------------------+
+| :doc:`imd <fix_imd>`                                 | :doc:`ipi <fix_ipi>`                                 | :doc:`langevin/drude <fix_langevin_drude>`           | :doc:`langevin/eff <fix_langevin_eff>`                                   | :doc:`lb/fluid <fix_lb_fluid>`                     | :doc:`lb/momentum <fix_lb_momentum>`                                             |
++------------------------------------------------------+------------------------------------------------------+------------------------------------------------------+--------------------------------------------------------------------------+----------------------------------------------------+----------------------------------------------------------------------------------+
+| :doc:`lb/pc <fix_lb_pc>`                             | :doc:`lb/rigid/pc/sphere <fix_lb_rigid_pc_sphere>`   | :doc:`lb/viscous <fix_lb_viscous>`                   | :doc:`meso <fix_meso>`                                                   | :doc:`manifoldforce <fix_manifoldforce>`           | :doc:`meso/stationary <fix_meso_stationary>`                                     |
++------------------------------------------------------+------------------------------------------------------+------------------------------------------------------+--------------------------------------------------------------------------+----------------------------------------------------+----------------------------------------------------------------------------------+
+| :doc:`nve/manifold/rattle <fix_nve_manifold_rattle>` | :doc:`nvt/manifold/rattle <fix_nvt_manifold_rattle>` | :doc:`nph/eff <fix_nh_eff>`                          | :doc:`npt/eff <fix_nh_eff>`                                              | :doc:`nve/eff <fix_nve_eff>`                       | :doc:`nvt/eff <fix_nh_eff>`                                                      |
++------------------------------------------------------+------------------------------------------------------+------------------------------------------------------+--------------------------------------------------------------------------+----------------------------------------------------+----------------------------------------------------------------------------------+
+| :doc:`nvt/sllod/eff <fix_nvt_sllod_eff>`             | :doc:`phonon <fix_phonon>`                           | :doc:`pimd <fix_pimd>`                               | :doc:`qbmsst <fix_qbmsst>`                                               | :doc:`qeq/reax <fix_qeq_reax>`                     | :doc:`qmmm <fix_qmmm>`                                                           |
++------------------------------------------------------+------------------------------------------------------+------------------------------------------------------+--------------------------------------------------------------------------+----------------------------------------------------+----------------------------------------------------------------------------------+
+| :doc:`qtb <fix_qtb>`                                 | :doc:`reax/c/bonds <fix_reax_bonds>`                 | :doc:`reax/c/species <fix_reaxc_species>`            | :doc:`saed/vtk <fix_saed_vtk>`                                           | :doc:`shardlow <fix_shardlow>`                     | :doc:`smd <fix_smd>`                                                             |
++------------------------------------------------------+------------------------------------------------------+------------------------------------------------------+--------------------------------------------------------------------------+----------------------------------------------------+----------------------------------------------------------------------------------+
+| :doc:`smd/adjust/dt <fix_smd_adjust_dt>`             | :doc:`smd/integrate/tlsph <fix_smd_integrate_tlsph>` | :doc:`smd/integrate/ulsph <fix_smd_integrate_ulsph>` | :doc:`smd/move/triangulated/surface <fix_smd_move_triangulated_surface>` | :doc:`smd/setvel <fix_smd_setvel>`                 | :doc:`smd/tlsph/reference/configuration <fix_smd_tlsph_reference_configuration>` |
++------------------------------------------------------+------------------------------------------------------+------------------------------------------------------+--------------------------------------------------------------------------+----------------------------------------------------+----------------------------------------------------------------------------------+
+| :doc:`smd/wall/surface <fix_smd_wall_surface>`       | :doc:`temp/rescale/eff <fix_temp_rescale_eff>`       | :doc:`ti/rs <fix_ti_rs>`                             | :doc:`ti/spring <fix_ti_spring>`                                         | :doc:`ttm/mod <fix_ttm>`                           |                                                                                  |
++------------------------------------------------------+------------------------------------------------------+------------------------------------------------------+--------------------------------------------------------------------------+----------------------------------------------------+----------------------------------------------------------------------------------+
 
 
 ----------
diff --git a/doc/src/Section_commands.txt b/doc/src/Section_commands.txt
index 3608ba03a2..ccbdff4d9b 100644
--- a/doc/src/Section_commands.txt
+++ b/doc/src/Section_commands.txt
@@ -630,7 +630,10 @@ package"_Section_start.html#start_3.
 "lb/rigid/pc/sphere"_fix_lb_rigid_pc_sphere.html,
 "lb/viscous"_fix_lb_viscous.html,
 "meso"_fix_meso.html,
+"manifoldforce"_fix_manifoldforce.html,
 "meso/stationary"_fix_meso_stationary.html,
+"nve/manifold/rattle"_fix_nve_manifold_rattle.html,
+"nvt/manifold/rattle"_fix_nvt_manifold_rattle.html,
 "nph/eff"_fix_nh_eff.html,
 "npt/eff"_fix_nh_eff.html,
 "nve/eff"_fix_nve_eff.html,