diff --git a/source/blender/blenkernel/intern/action.cc b/source/blender/blenkernel/intern/action.cc
index c9003bf9fb1..51612a17572 100644
--- a/source/blender/blenkernel/intern/action.cc
+++ b/source/blender/blenkernel/intern/action.cc
@@ -1187,11 +1187,12 @@ void BKE_pose_update_constraint_flags(bPose *pose)
             pchan->constflag |= PCHAN_HAS_NO_TARGET;
           }
 
+          bPoseChannel *chain_tip = (data->flag & CONSTRAINT_IK_TIP) ? pchan : pchan->parent;
+
           /* negative rootbone = recalc rootbone index. used in do_versions */
           if (data->rootbone < 0) {
             data->rootbone = 0;
 
-            bPoseChannel *chain_tip = (data->flag & CONSTRAINT_IK_TIP) ? pchan : pchan->parent;
             bPoseChannel *parchan = chain_tip;
             while (parchan) {
               data->rootbone++;
@@ -1201,6 +1202,16 @@ void BKE_pose_update_constraint_flags(bPose *pose)
               parchan = parchan->parent;
             }
           }
+
+          /* Mark the pose bones in the IK chain as influenced by it. */
+          {
+            bPoseChannel *chain_bone = chain_tip;
+            for (short index = 0; chain_bone && (data->rootbone == 0 || index < data->rootbone);
+                 index++) {
+              chain_bone->constflag |= PCHAN_INFLUENCED_BY_IK;
+              chain_bone = chain_bone->parent;
+            }
+          }
           break;
         }
 
diff --git a/source/blender/blenkernel/intern/armature_update.cc b/source/blender/blenkernel/intern/armature_update.cc
index 161f6907ce5..29e3595d431 100644
--- a/source/blender/blenkernel/intern/armature_update.cc
+++ b/source/blender/blenkernel/intern/armature_update.cc
@@ -942,6 +942,7 @@ static void pose_channel_flush_to_orig_if_needed(Depsgraph *depsgraph,
   copy_v3_v3(pchan_orig->pose_head, pchan->pose_mat[3]);
   copy_m4_m4(pchan_orig->constinv, pchan->constinv);
   copy_v3_v3(pchan_orig->pose_tail, pchan->pose_tail);
+  pchan_orig->constflag = pchan->constflag;
 }
 
 void BKE_pose_bone_done(Depsgraph *depsgraph, Object *object, int pchan_index)
diff --git a/source/blender/draw/engines/overlay/overlay_armature.cc b/source/blender/draw/engines/overlay/overlay_armature.cc
index 176a655adfe..0e03c6eb769 100644
--- a/source/blender/draw/engines/overlay/overlay_armature.cc
+++ b/source/blender/draw/engines/overlay/overlay_armature.cc
@@ -1201,7 +1201,11 @@ static void get_pchan_color_constraint(const ThemeWireColor *bcolor,
                                        float r_color[4])
 {
   const ePchan_ConstFlag constflag = bone.constflag();
-  if (constflag == 0 || (bcolor && (bcolor->flag & TH_WIRECOLOR_CONSTCOLS) == 0)) {
+  /* Not all flags should result in a different bone color. */
+  const ePchan_ConstFlag flags_to_color = PCHAN_HAS_NO_TARGET | PCHAN_HAS_IK | PCHAN_HAS_SPLINEIK |
+                                          PCHAN_HAS_CONST;
+  if ((constflag & flags_to_color) == 0 ||
+      (bcolor && (bcolor->flag & TH_WIRECOLOR_CONSTCOLS) == 0)) {
     get_pchan_color_solid(bcolor, r_color);
     return;
   }
diff --git a/source/blender/editors/animation/keyframing.cc b/source/blender/editors/animation/keyframing.cc
index aa15c73dec0..f362e03162e 100644
--- a/source/blender/editors/animation/keyframing.cc
+++ b/source/blender/editors/animation/keyframing.cc
@@ -887,6 +887,13 @@ static bool visualkey_can_use(PointerRNA *ptr, PropertyRNA *prop)
     /* Pose Channel */
     bPoseChannel *pchan = static_cast<bPoseChannel *>(ptr->data);
 
+    if (pchan->constflag & (PCHAN_HAS_IK | PCHAN_INFLUENCED_BY_IK)) {
+      /* Spline IK cannot generally be keyed visually, because (at least with the default
+       * constraint settings) it requires non-uniform scaling that causes shearing in child bones,
+       * which cannot be represented by the bone's loc/rot/scale properties. */
+      return true;
+    }
+
     con = static_cast<bConstraint *>(pchan->constraints.first);
     has_parent = (pchan->parent != nullptr);
   }
diff --git a/source/blender/makesdna/DNA_action_types.h b/source/blender/makesdna/DNA_action_types.h
index 0cf5cb5846b..7de6c3bfd71 100644
--- a/source/blender/makesdna/DNA_action_types.h
+++ b/source/blender/makesdna/DNA_action_types.h
@@ -395,7 +395,9 @@ typedef enum ePchan_ConstFlag {
   PCHAN_HAS_NO_TARGET = (1 << 3),    /* Has (spline) IK constraint but no target is set. */
   /* PCHAN_HAS_STRIDE = (1 << 4), */ /* UNUSED */
   PCHAN_HAS_SPLINEIK = (1 << 5),     /* Has Spline IK constraint. */
+  PCHAN_INFLUENCED_BY_IK = (1 << 6), /* Is part of a (non-spline) IK chain. */
 } ePchan_ConstFlag;
+ENUM_OPERATORS(ePchan_ConstFlag, PCHAN_INFLUENCED_BY_IK);
 
 /* PoseChannel->ikflag */
 typedef enum ePchan_IkFlag {