diff --git a/src/df/core/df_core.mdesk b/src/df/core/df_core.mdesk
index d74ccae1..9649d87f 100644
--- a/src/df/core/df_core.mdesk
+++ b/src/df/core/df_core.mdesk
@@ -508,6 +508,7 @@ DF_CoreViewRuleTable:
 {
   {Null       null        ""              -   -   -   -                 ""                            -       ""                                                             ""                                                                                                                                                                           }
   {Array      array       "array"         -   -   x   -                 "Array"                       x       "x:{expr}"                                                     "Specifies that a pointer points to N elements, rather than only 1."                                                                                                         }
+  {Slice      slice       "slice"         -   -   x   -                 "Slice"                       x       ""                                                             "Specifies that a pointer within a struct, also containing an integer, points to the number of elements encoded by the integer."                                             }
   {List       list        "list"          -   -   -   x                 "List"                        x       "x:{member}"                                                   "Specifies that some struct, union, or class forms the top of a linked list, and the member which points at the following element in the list."                              }
   {ByteSwap   bswap       "bswap"         x   -   x   -                 "Byte Swap"                   x       ""                                                             "Specifies that all integer primitives should be byte-swapped, such that their endianness is reversed."                                                                      }
   {BaseDec    base_dec    "dec"           x   -   -   -                 "Decimal Base (Base 10)"      x       ""                                                             "Specifies that all integral evaluations should appear in base-10 form."                                                                                                     }
diff --git a/src/df/core/generated/df_core.meta.c b/src/df/core/generated/df_core.meta.c
index fb610edb..4e2b5b5f 100644
--- a/src/df/core/generated/df_core.meta.c
+++ b/src/df/core/generated/df_core.meta.c
@@ -434,10 +434,11 @@ DF_CmdSpecInfo df_g_core_cmd_kind_spec_info_table[221] =
 { str8_lit_comp("log_marker"), str8_lit_comp("Logs a marker in the application log, to denote specific points in time within the log."), str8_lit_comp(""), str8_lit_comp("Log Marker"), (DF_CmdSpecFlag_OmitFromLists*0), {DF_CmdParamSlot_Null, DF_EntityKind_Nil, (DF_CmdQueryFlag_AllowFiles*0)|(DF_CmdQueryFlag_AllowFolders*0)|(DF_CmdQueryFlag_CodeInput*0)|(DF_CmdQueryFlag_KeepOldInput*0)|(DF_CmdQueryFlag_SelectOldInput*0)|(DF_CmdQueryFlag_Required*0)}, DF_IconKind_Null},
 };
 
-DF_CoreViewRuleSpecInfo df_g_core_view_rule_spec_info_table[17] =
+DF_CoreViewRuleSpecInfo df_g_core_view_rule_spec_info_table[18] =
 {
 {str8_lit_comp(""), str8_lit_comp(""), str8_lit_comp(""), str8_lit_comp(""), (DF_CoreViewRuleSpecInfoFlag_Inherited*0)|(DF_CoreViewRuleSpecInfoFlag_Expandable*0)|(DF_CoreViewRuleSpecInfoFlag_EvalResolution*0)|(DF_CoreViewRuleSpecInfoFlag_VizBlockProd*0),  0,  0, },
 {str8_lit_comp("array"), str8_lit_comp("Array"), str8_lit_comp("x:{expr}"), str8_lit_comp("Specifies that a pointer points to N elements, rather than only 1."), (DF_CoreViewRuleSpecInfoFlag_Inherited*0)|(DF_CoreViewRuleSpecInfoFlag_Expandable*0)|(DF_CoreViewRuleSpecInfoFlag_EvalResolution*1)|(DF_CoreViewRuleSpecInfoFlag_VizBlockProd*0), DF_CORE_VIEW_RULE_EVAL_RESOLUTION_FUNCTION_NAME(array) ,  0, },
+{str8_lit_comp("slice"), str8_lit_comp("Slice"), str8_lit_comp(""), str8_lit_comp("Specifies that a pointer within a struct, also containing an integer, points to the number of elements encoded by the integer."), (DF_CoreViewRuleSpecInfoFlag_Inherited*0)|(DF_CoreViewRuleSpecInfoFlag_Expandable*0)|(DF_CoreViewRuleSpecInfoFlag_EvalResolution*1)|(DF_CoreViewRuleSpecInfoFlag_VizBlockProd*0), DF_CORE_VIEW_RULE_EVAL_RESOLUTION_FUNCTION_NAME(slice) ,  0, },
 {str8_lit_comp("list"), str8_lit_comp("List"), str8_lit_comp("x:{member}"), str8_lit_comp("Specifies that some struct, union, or class forms the top of a linked list, and the member which points at the following element in the list."), (DF_CoreViewRuleSpecInfoFlag_Inherited*0)|(DF_CoreViewRuleSpecInfoFlag_Expandable*0)|(DF_CoreViewRuleSpecInfoFlag_EvalResolution*0)|(DF_CoreViewRuleSpecInfoFlag_VizBlockProd*1),  0, DF_CORE_VIEW_RULE_VIZ_BLOCK_PROD_FUNCTION_NAME(list) , },
 {str8_lit_comp("bswap"), str8_lit_comp("Byte Swap"), str8_lit_comp(""), str8_lit_comp("Specifies that all integer primitives should be byte-swapped, such that their endianness is reversed."), (DF_CoreViewRuleSpecInfoFlag_Inherited*1)|(DF_CoreViewRuleSpecInfoFlag_Expandable*0)|(DF_CoreViewRuleSpecInfoFlag_EvalResolution*1)|(DF_CoreViewRuleSpecInfoFlag_VizBlockProd*0), DF_CORE_VIEW_RULE_EVAL_RESOLUTION_FUNCTION_NAME(bswap) ,  0, },
 {str8_lit_comp("dec"), str8_lit_comp("Decimal Base (Base 10)"), str8_lit_comp(""), str8_lit_comp("Specifies that all integral evaluations should appear in base-10 form."), (DF_CoreViewRuleSpecInfoFlag_Inherited*1)|(DF_CoreViewRuleSpecInfoFlag_Expandable*0)|(DF_CoreViewRuleSpecInfoFlag_EvalResolution*0)|(DF_CoreViewRuleSpecInfoFlag_VizBlockProd*0),  0,  0, },
diff --git a/src/df/core/generated/df_core.meta.h b/src/df/core/generated/df_core.meta.h
index 8bf2e41b..fa6a23db 100644
--- a/src/df/core/generated/df_core.meta.h
+++ b/src/df/core/generated/df_core.meta.h
@@ -349,6 +349,7 @@ typedef enum DF_CoreViewRuleKind
 {
 DF_CoreViewRuleKind_Null,
 DF_CoreViewRuleKind_Array,
+DF_CoreViewRuleKind_Slice,
 DF_CoreViewRuleKind_List,
 DF_CoreViewRuleKind_ByteSwap,
 DF_CoreViewRuleKind_BaseDec,
@@ -426,6 +427,7 @@ U64 inline_unwind_index;
 };
 
 DF_CORE_VIEW_RULE_EVAL_RESOLUTION_FUNCTION_DEF(array);
+DF_CORE_VIEW_RULE_EVAL_RESOLUTION_FUNCTION_DEF(slice);
 DF_CORE_VIEW_RULE_EVAL_RESOLUTION_FUNCTION_DEF(bswap);
 DF_CORE_VIEW_RULE_VIZ_BLOCK_PROD_FUNCTION_DEF(list);
 DF_CORE_VIEW_RULE_VIZ_BLOCK_PROD_FUNCTION_DEF(only);
diff --git a/src/df/gfx/df_gfx.c b/src/df/gfx/df_gfx.c
index 947584da..864bb02c 100644
--- a/src/df/gfx/df_gfx.c
+++ b/src/df/gfx/df_gfx.c
@@ -7807,9 +7807,9 @@ df_window_update_and_render(Arena *arena, DF_Window *ws, DF_CmdList *cmds)
   }
   
   //////////////////////////////
-  //- rjf: attach autocomp box to root
+  //- rjf: attach autocomp box to root, or hide if it has not been renewed
   //
-  if(!ui_box_is_nil(autocomp_box))
+  if(!ui_box_is_nil(autocomp_box) && ws->autocomp_last_frame_idx+1 >= df_frame_index()+1)
   {
     UI_Box *autocomp_root_box = ui_box_from_key(ws->autocomp_root_key);
     if(!ui_box_is_nil(autocomp_root_box))
@@ -7827,6 +7827,17 @@ df_window_update_and_render(Arena *arena, DF_Window *ws, DF_CmdList *cmds)
       }
     }
   }
+  else if(!ui_box_is_nil(autocomp_box) && ws->autocomp_last_frame_idx+1 < df_frame_index()+1)
+  {
+    UI_Box *autocomp_root_box = ui_box_from_key(ws->autocomp_root_key);
+    if(!ui_box_is_nil(autocomp_root_box))
+    {
+      Vec2F32 size = autocomp_box->fixed_size;
+      Rng2F32 window_rect = os_client_rect_from_window(ws->os);
+      autocomp_box->fixed_position = v2f32(window_rect.x1, window_rect.y1);
+      autocomp_box->rect = r2f32(autocomp_box->fixed_position, add_2f32(autocomp_box->fixed_position, size));
+    }
+  }
   
   //////////////////////////////
   //- rjf: hover eval cancelling
diff --git a/src/df/gfx/df_view_rules.c b/src/df/gfx/df_view_rules.c
index e76f2035..dfc86f85 100644
--- a/src/df/gfx/df_view_rules.c
+++ b/src/df/gfx/df_view_rules.c
@@ -39,6 +39,14 @@ DF_CORE_VIEW_RULE_EVAL_RESOLUTION_FUNCTION_DEF(array)
   return eval;
 }
 
+////////////////////////////////
+//~ rjf: "slice"
+
+DF_CORE_VIEW_RULE_EVAL_RESOLUTION_FUNCTION_DEF(slice)
+{
+  return eval;
+}
+
 ////////////////////////////////
 //~ rjf: "list"