diff --git a/manifest b/manifest
index c77a3ad9e8..f034199d31 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Update\sEXPLAIN\soutput\sto\sinclude\sP4_SUBRTNSIG.
-D 2024-07-04T17:49:34.845
+C Disable\sthe\sreuse\sof\sIN-clause\ssubqueries\sif\sthe\ssubquery\sis\san\sexplicit\n"SELECT\sALL".\s\sThe\sALL\skeyword\sis\salmost\snever\sused\sin\sactual\spractice\s(most\ndevelopers\sdon't\seven\sknow\sit\scan\sbe\sused)\sso\sthis\sshould\snot\sinterfere\swith\nthe\soptimization,\sbut\sit\sdoes\sgive\sus\sa\sconvenient\sway\sto\sturn\sit\soff\sfor\ntesting\spurposes.
+D 2024-07-04T18:26:41.697
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@ -705,7 +705,7 @@ F src/date.c 13dd752847afb32ed70510ad7345a5b9c841f51ad904dba5d010f1fa3a6a324e
 F src/dbpage.c 80e46e1df623ec40486da7a5086cb723b0275a6e2a7b01d9f9b5da0f04ba2782
 F src/dbstat.c 3b677254d512fcafd4d0b341bf267b38b235ccfddbef24f9154e19360fa22e43
 F src/delete.c cb766727c78e715f9fb7ec8a7d03658ed2a3016343ca687acfcec9083cdca500
-F src/expr.c 06c1d1a0f8b5025f001bc8219ac63fded7c33494a1863afdc78032ed1085ffef
+F src/expr.c dd797fc96a5be012283ea1a42d8444dd97e12300769007c242fb5ed48f90d7e3
 F src/fault.c 460f3e55994363812d9d60844b2a6de88826e007
 F src/fkey.c 852f93c0ef995e0c2b8983059a2b97151c194cc8259e21f5bc2b7ac508348c2a
 F src/func.c 1f61e32e7a357e615b5d2e774bee563761fce4f2fd97ecb0f72c33e62a2ada5f
@@ -2195,8 +2195,8 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P 2accf32b6e45a396503c29eecc14a103bcc7b4c313cde921b26b489704060177
-R cc0b42021fc412ee4ab07a9997d10b3f
-U dan
-Z 6dc43e94d75155dfb066f57a2c862429
+P 61e56923c80d72d6467ec703b4946b251abf591649fa9e8e579667d7cbd25682
+R 038e67018e45d309cbfa350b0e65e1eb
+U drh
+Z 639a0b5da2cedf3c0b33a56e08aa9e79
 # Remove this line to create a well-formed Fossil manifest.
diff --git a/manifest.uuid b/manifest.uuid
index 99fd14fa87..bc7e68b109 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-61e56923c80d72d6467ec703b4946b251abf591649fa9e8e579667d7cbd25682
+a81299be2ce203dcc28e7d0ba24791cbfba80e1ee3e1564469a226cac8adb17d
diff --git a/src/expr.c b/src/expr.c
index 9ab1905050..636cbd0fed 100644
--- a/src/expr.c
+++ b/src/expr.c
@@ -3439,6 +3439,8 @@ static int findCompatibleInRhsSubrtn(
   assert( pExpr->op==TK_IN );
   assert( !ExprUseYSub(pExpr) );
   assert( ExprUseXSelect(pExpr) );
+  assert( pExpr->x.pSelect!=0 );
+  assert( (pExpr->x.pSelect->selFlags & SF_All)==0 );
   v = pParse->pVdbe;
   assert( v!=0 );
   pOp = sqlite3VdbeGetOp(v, 1);
@@ -3514,11 +3516,9 @@ void sqlite3CodeRhsOfIN(
     ** Compute a signature for the RHS of the IN operator to facility
     ** finding and reusing prior instances of the same IN operator.
     */
-    SubrtnSig *pSig;
-    if( !ExprUseXSelect(pExpr) ){
-      pSig = 0;
-    }else{
-      assert( pExpr->x.pSelect!=0 );
+    SubrtnSig *pSig = 0;
+    assert( !ExprUseXSelect(pExpr) || pExpr->x.pSelect!=0 );
+    if( ExprUseXSelect(pExpr) && (pExpr->x.pSelect->selFlags & SF_All)==0 ){
       pSig = sqlite3DbMallocRawNN(pParse->db, sizeof(pSig[0]));
       if( pSig ){
         pSig->selId = pExpr->x.pSelect->selId;