diff --git a/core/src/main/resources/operatorsScore-databricks-aws-t4.csv b/core/src/main/resources/operatorsScore-databricks-aws-t4.csv
index a6762fe31..72d523fff 100644
--- a/core/src/main/resources/operatorsScore-databricks-aws-t4.csv
+++ b/core/src/main/resources/operatorsScore-databricks-aws-t4.csv
@@ -262,6 +262,8 @@ XxHash64,2.45
 Year,2.45
 Empty2Null,2.45
 WriteFilesExec,2.45
+Ascii,2.45
+ToUTCTimestamp,2.45
 AggregateInPandasExec,1.2
 ArrowEvalPythonExec,1.2
 FlatMapGroupsInPandasExec,1.2
diff --git a/core/src/main/resources/operatorsScore-databricks-azure-t4.csv b/core/src/main/resources/operatorsScore-databricks-azure-t4.csv
index 2d5f6bc7d..b426f1cd0 100644
--- a/core/src/main/resources/operatorsScore-databricks-azure-t4.csv
+++ b/core/src/main/resources/operatorsScore-databricks-azure-t4.csv
@@ -262,6 +262,8 @@ XxHash64,2.73
 Year,2.73
 Empty2Null,2.73
 WriteFilesExec,2.73
+Ascii,2.73
+ToUTCTimestamp,2.73
 AggregateInPandasExec,1.2
 ArrowEvalPythonExec,1.2
 FlatMapGroupsInPandasExec,1.2
diff --git a/core/src/main/resources/operatorsScore-dataproc-gke-l4.csv b/core/src/main/resources/operatorsScore-dataproc-gke-l4.csv
index dd9985449..87873419a 100644
--- a/core/src/main/resources/operatorsScore-dataproc-gke-l4.csv
+++ b/core/src/main/resources/operatorsScore-dataproc-gke-l4.csv
@@ -255,6 +255,8 @@ XxHash64,3.74
 Year,3.74
 Empty2Null,3.74
 WriteFilesExec,3.74
+Ascii,3.74
+ToUTCTimestamp,3.74
 AggregateInPandasExec,1.2
 ArrowEvalPythonExec,1.2
 FlatMapGroupsInPandasExec,1.2
diff --git a/core/src/main/resources/operatorsScore-dataproc-gke-t4.csv b/core/src/main/resources/operatorsScore-dataproc-gke-t4.csv
index 3fd8c4661..3ad452218 100644
--- a/core/src/main/resources/operatorsScore-dataproc-gke-t4.csv
+++ b/core/src/main/resources/operatorsScore-dataproc-gke-t4.csv
@@ -255,6 +255,8 @@ XxHash64,3.65
 Year,3.65
 Empty2Null,3.65
 WriteFilesExec,3.65
+Ascii,3.65
+ToUTCTimestamp,3.65
 AggregateInPandasExec,1.2
 ArrowEvalPythonExec,1.2
 FlatMapGroupsInPandasExec,1.2
diff --git a/core/src/main/resources/operatorsScore-dataproc-l4.csv b/core/src/main/resources/operatorsScore-dataproc-l4.csv
index 5a5648c14..3579a3eac 100644
--- a/core/src/main/resources/operatorsScore-dataproc-l4.csv
+++ b/core/src/main/resources/operatorsScore-dataproc-l4.csv
@@ -262,6 +262,8 @@ XxHash64,4.16
 Year,4.16
 Empty2Null,4.16
 WriteFilesExec,4.16
+Ascii,4.16
+ToUTCTimestamp,4.16
 AggregateInPandasExec,1.2
 ArrowEvalPythonExec,1.2
 FlatMapGroupsInPandasExec,1.2
diff --git a/core/src/main/resources/operatorsScore-dataproc-serverless-l4.csv b/core/src/main/resources/operatorsScore-dataproc-serverless-l4.csv
index 0d3f5f062..c43fd14f1 100644
--- a/core/src/main/resources/operatorsScore-dataproc-serverless-l4.csv
+++ b/core/src/main/resources/operatorsScore-dataproc-serverless-l4.csv
@@ -255,6 +255,8 @@ XxHash64,4.25
 Year,4.25
 Empty2Null,4.25
 WriteFilesExec,4.25
+Ascii,4.25
+ToUTCTimestamp,4.25
 AggregateInPandasExec,1.2
 ArrowEvalPythonExec,1.2
 FlatMapGroupsInPandasExec,1.2
diff --git a/core/src/main/resources/operatorsScore-dataproc-t4.csv b/core/src/main/resources/operatorsScore-dataproc-t4.csv
index 17cd05fe4..6c21acc3f 100644
--- a/core/src/main/resources/operatorsScore-dataproc-t4.csv
+++ b/core/src/main/resources/operatorsScore-dataproc-t4.csv
@@ -262,6 +262,8 @@ XxHash64,4.88
 Year,4.88
 Empty2Null,4.88
 WriteFilesExec,4.88
+Ascii,4.88
+ToUTCTimestamp,4.88
 AggregateInPandasExec,1.2
 ArrowEvalPythonExec,1.2
 FlatMapGroupsInPandasExec,1.2
diff --git a/core/src/main/resources/operatorsScore-emr-a10.csv b/core/src/main/resources/operatorsScore-emr-a10.csv
index e83cf0896..6c7224c1e 100644
--- a/core/src/main/resources/operatorsScore-emr-a10.csv
+++ b/core/src/main/resources/operatorsScore-emr-a10.csv
@@ -262,6 +262,8 @@ XxHash64,2.59
 Year,2.59
 Empty2Null,2.59
 WriteFilesExec,2.59
+Ascii,2.59
+ToUTCTimestamp,2.59
 AggregateInPandasExec,1.2
 ArrowEvalPythonExec,1.2
 FlatMapGroupsInPandasExec,1.2
diff --git a/core/src/main/resources/operatorsScore-emr-t4.csv b/core/src/main/resources/operatorsScore-emr-t4.csv
index 161996197..e1186d7eb 100644
--- a/core/src/main/resources/operatorsScore-emr-t4.csv
+++ b/core/src/main/resources/operatorsScore-emr-t4.csv
@@ -262,6 +262,8 @@ XxHash64,2.07
 Year,2.07
 Empty2Null,2.07
 WriteFilesExec,2.07
+Ascii,2.07
+ToUTCTimestamp,2.07
 AggregateInPandasExec,1.2
 ArrowEvalPythonExec,1.2
 FlatMapGroupsInPandasExec,1.2
diff --git a/core/src/main/resources/operatorsScore-onprem-a100.csv b/core/src/main/resources/operatorsScore-onprem-a100.csv
index 204324162..4b44c94c5 100644
--- a/core/src/main/resources/operatorsScore-onprem-a100.csv
+++ b/core/src/main/resources/operatorsScore-onprem-a100.csv
@@ -267,6 +267,8 @@ XxHash64,4
 Year,4
 WriteFilesExec,4
 Empty2Null,4
+Ascii,4
+ToUTCTimestamp,4
 KMeans-pyspark,8.86
 KMeans-scala,1
 PCA-pyspark,2.24
diff --git a/core/src/main/resources/supportedExprs.csv b/core/src/main/resources/supportedExprs.csv
index 89b3acd27..c9127883f 100644
--- a/core/src/main/resources/supportedExprs.csv
+++ b/core/src/main/resources/supportedExprs.csv
@@ -60,6 +60,8 @@ ArraysOverlap,S,`arrays_overlap`,This is not 100% compatible with the Spark vers
 ArraysOverlap,S,`arrays_overlap`,This is not 100% compatible with the Spark version because the GPU implementation treats -0.0 and 0.0 as equal; but the CPU implementation currently does not (see SPARK-39845). Also; Apache Spark 3.1.3 fixed issue SPARK-36741 where NaNs in these set like operators were not treated as being equal. We have chosen to break with compatibility for the older versions of Spark in this instance and handle NaNs the same as 3.1.3+,project,result,S,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA
 ArraysZip,S,`arrays_zip`,None,project,children,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,PS,NA,NA,NA
 ArraysZip,S,`arrays_zip`,None,project,result,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,PS,NA,NA,NA
+Ascii,NS,`ascii`,This is disabled by default because it only supports strings starting with ASCII or Latin-1 characters after Spark 3.2.3; 3.3.1 and 3.4.0. Otherwise the results will not match the CPU.,project,input,NA,NA,NA,NA,NA,NA,NA,NA,NA,S,NA,NA,NA,NA,NA,NA,NA,NA
+Ascii,NS,`ascii`,This is disabled by default because it only supports strings starting with ASCII or Latin-1 characters after Spark 3.2.3; 3.3.1 and 3.4.0. Otherwise the results will not match the CPU.,project,result,NA,NA,NA,S,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA
 Asin,S,`asin`,None,project,input,NA,NA,NA,NA,NA,NA,S,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA
 Asin,S,`asin`,None,project,result,NA,NA,NA,NA,NA,NA,S,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA
 Asin,S,`asin`,None,AST,input,NA,NA,NA,NA,NA,NA,S,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA
@@ -275,11 +277,11 @@ IsNotNull,S,`isnotnull`,None,project,input,S,S,S,S,S,S,S,S,PS,S,S,S,S,NS,PS,PS,P
 IsNotNull,S,`isnotnull`,None,project,result,S,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA
 IsNull,S,`isnull`,None,project,input,S,S,S,S,S,S,S,S,PS,S,S,S,S,NS,PS,PS,PS,NS
 IsNull,S,`isnull`,None,project,result,S,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA
-JsonToStructs,NS,`from_json`,This is disabled by default because parsing JSON from a column has a large number of issues and should be considered beta quality right now.,project,jsonStr,NA,NA,NA,NA,NA,NA,NA,NA,NA,S,NA,NA,NA,NA,NA,NA,NA,NA
-JsonToStructs,NS,`from_json`,This is disabled by default because parsing JSON from a column has a large number of issues and should be considered beta quality right now.,project,result,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NS,PS,PS,NA
-JsonTuple,S,`json_tuple`,None,project,json,NA,NA,NA,NA,NA,NA,NA,NA,NA,S,NA,NA,NA,NA,NA,NA,NA,NA
-JsonTuple,S,`json_tuple`,None,project,field,NA,NA,NA,NA,NA,NA,NA,NA,NA,PS,NA,NA,NA,NA,NA,NA,NA,NA
-JsonTuple,S,`json_tuple`,None,project,result,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,S,NA,NA,NA
+JsonToStructs,NS,`from_json`,This is disabled by default because it is currently in beta and undergoes continuous enhancements. Please consult the [compatibility documentation](../compatibility.md#json-supporting-types) to determine whether you can enable this configuration for your use case,project,jsonStr,NA,NA,NA,NA,NA,NA,NA,NA,NA,S,NA,NA,NA,NA,NA,NA,NA,NA
+JsonToStructs,NS,`from_json`,This is disabled by default because it is currently in beta and undergoes continuous enhancements. Please consult the [compatibility documentation](../compatibility.md#json-supporting-types) to determine whether you can enable this configuration for your use case,project,result,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NS,PS,PS,NA
+JsonTuple,NS,`json_tuple`,This is disabled by default because JsonTuple on the GPU does not support all of the normalization that the CPU supports.,project,json,NA,NA,NA,NA,NA,NA,NA,NA,NA,S,NA,NA,NA,NA,NA,NA,NA,NA
+JsonTuple,NS,`json_tuple`,This is disabled by default because JsonTuple on the GPU does not support all of the normalization that the CPU supports.,project,field,NA,NA,NA,NA,NA,NA,NA,NA,NA,PS,NA,NA,NA,NA,NA,NA,NA,NA
+JsonTuple,NS,`json_tuple`,This is disabled by default because JsonTuple on the GPU does not support all of the normalization that the CPU supports.,project,result,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,S,NA,NA,NA
 KnownFloatingPointNormalized,S, ,None,project,input,S,S,S,S,S,S,S,S,PS,S,S,S,S,S,PS,PS,PS,S
 KnownFloatingPointNormalized,S, ,None,project,result,S,S,S,S,S,S,S,S,PS,S,S,S,S,S,PS,PS,PS,S
 KnownNotNull,S, ,None,project,input,S,S,S,S,S,S,S,S,PS,S,S,NS,S,S,PS,PS,PS,NS
@@ -384,7 +386,7 @@ Or,S,`or`,None,AST,rhs,S,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA
 Or,S,`or`,None,AST,result,S,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA
 ParseUrl,S,`parse_url`,None,project,url,NA,NA,NA,NA,NA,NA,NA,NA,NA,S,NA,NA,NA,NA,NA,NA,NA,NA
 ParseUrl,S,`parse_url`,None,project,partToExtract,NA,NA,NA,NA,NA,NA,NA,NA,NA,PS,NA,NA,NA,NA,NA,NA,NA,NA
-ParseUrl,S,`parse_url`,None,project,key,NA,NA,NA,NA,NA,NA,NA,NA,NA,PS,NA,NA,NA,NA,NA,NA,NA,NA
+ParseUrl,S,`parse_url`,None,project,key,NA,NA,NA,NA,NA,NA,NA,NA,NA,S,NA,NA,NA,NA,NA,NA,NA,NA
 ParseUrl,S,`parse_url`,None,project,result,NA,NA,NA,NA,NA,NA,NA,NA,NA,S,NA,NA,NA,NA,NA,NA,NA,NA
 PercentRank,S,`percent_rank`,None,window,ordering,S,S,S,S,S,S,S,S,PS,S,S,S,NS,NS,NS,NS,NS,NS
 PercentRank,S,`percent_rank`,None,window,result,NA,NA,NA,NA,NA,NA,S,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA
@@ -543,8 +545,8 @@ StringTrimLeft,S,`ltrim`,None,project,result,NA,NA,NA,NA,NA,NA,NA,NA,NA,S,NA,NA,
 StringTrimRight,S,`rtrim`,None,project,src,NA,NA,NA,NA,NA,NA,NA,NA,NA,S,NA,NA,NA,NA,NA,NA,NA,NA
 StringTrimRight,S,`rtrim`,None,project,trimStr,NA,NA,NA,NA,NA,NA,NA,NA,NA,PS,NA,NA,NA,NA,NA,NA,NA,NA
 StringTrimRight,S,`rtrim`,None,project,result,NA,NA,NA,NA,NA,NA,NA,NA,NA,S,NA,NA,NA,NA,NA,NA,NA,NA
-StructsToJson,NS,`to_json`,This is disabled by default because to_json support is experimental. See compatibility guide for more information.,project,struct,S,S,S,S,S,S,S,S,PS,S,S,NA,NA,NA,PS,PS,PS,NA
-StructsToJson,NS,`to_json`,This is disabled by default because to_json support is experimental. See compatibility guide for more information.,project,result,NA,NA,NA,NA,NA,NA,NA,NA,NA,S,NA,NA,NA,NA,NA,NA,NA,NA
+StructsToJson,NS,`to_json`,This is disabled by default because it is currently in beta and undergoes continuous enhancements. Please consult the [compatibility documentation](../compatibility.md#json-supporting-types) to determine whether you can enable this configuration for your use case,project,struct,S,S,S,S,S,S,S,S,PS,S,S,NA,NA,NA,PS,PS,PS,NA
+StructsToJson,NS,`to_json`,This is disabled by default because it is currently in beta and undergoes continuous enhancements. Please consult the [compatibility documentation](../compatibility.md#json-supporting-types) to determine whether you can enable this configuration for your use case,project,result,NA,NA,NA,NA,NA,NA,NA,NA,NA,S,NA,NA,NA,NA,NA,NA,NA,NA
 Substring,S,`substr`; `substring`,None,project,str,NA,NA,NA,NA,NA,NA,NA,NA,NA,S,NA,NA,NS,NA,NA,NA,NA,NA
 Substring,S,`substr`; `substring`,None,project,pos,NA,NA,NA,S,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA
 Substring,S,`substr`; `substring`,None,project,len,NA,NA,NA,S,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA
@@ -574,6 +576,9 @@ ToDegrees,S,`degrees`,None,project,input,NA,NA,NA,NA,NA,NA,S,NA,NA,NA,NA,NA,NA,N
 ToDegrees,S,`degrees`,None,project,result,NA,NA,NA,NA,NA,NA,S,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA
 ToRadians,S,`radians`,None,project,input,NA,NA,NA,NA,NA,NA,S,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA
 ToRadians,S,`radians`,None,project,result,NA,NA,NA,NA,NA,NA,S,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA
+ToUTCTimestamp,S,`to_utc_timestamp`,None,project,timestamp,NA,NA,NA,NA,NA,NA,NA,NA,PS,NA,NA,NA,NA,NA,NA,NA,NA,NA
+ToUTCTimestamp,S,`to_utc_timestamp`,None,project,timezone,NA,NA,NA,NA,NA,NA,NA,NA,NA,PS,NA,NA,NA,NA,NA,NA,NA,NA
+ToUTCTimestamp,S,`to_utc_timestamp`,None,project,result,NA,NA,NA,NA,NA,NA,NA,NA,PS,NA,NA,NA,NA,NA,NA,NA,NA,NA
 ToUnixTimestamp,S,`to_unix_timestamp`,None,project,timeExp,NA,NA,NA,NA,NA,NA,NA,S,PS,S,NA,NA,NA,NA,NA,NA,NA,NA
 ToUnixTimestamp,S,`to_unix_timestamp`,None,project,format,NA,NA,NA,NA,NA,NA,NA,NA,NA,PS,NA,NA,NA,NA,NA,NA,NA,NA
 ToUnixTimestamp,S,`to_unix_timestamp`,None,project,result,NA,NA,NA,NA,S,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA
diff --git a/core/src/main/scala/com/nvidia/spark/rapids/tool/planparser/SQLPlanParser.scala b/core/src/main/scala/com/nvidia/spark/rapids/tool/planparser/SQLPlanParser.scala
index 31fad2de5..aaa897185 100644
--- a/core/src/main/scala/com/nvidia/spark/rapids/tool/planparser/SQLPlanParser.scala
+++ b/core/src/main/scala/com/nvidia/spark/rapids/tool/planparser/SQLPlanParser.scala
@@ -125,11 +125,13 @@ case class ExecInfo(
   }
 
   private def getOpAction: OpActions.OpAction = {
-    if (shouldIgnore) {
-      OpActions.IgnorePerf
-    } else if (shouldRemove) {
+    // shouldRemove is checked first because sometimes an exec could have both flag set to true,
+    // but then we care about having the "NoPerf" part
+    if (shouldRemove) {
       OpActions.IgnoreNoPerf
-    } else {
+    } else if (shouldIgnore) {
+      OpActions.IgnorePerf
+    } else  {
       OpActions.Triage
     }
   }
diff --git a/core/src/test/scala/com/nvidia/spark/rapids/tool/planparser/SqlPlanParserSuite.scala b/core/src/test/scala/com/nvidia/spark/rapids/tool/planparser/SqlPlanParserSuite.scala
index 3a451973f..24bafeef3 100644
--- a/core/src/test/scala/com/nvidia/spark/rapids/tool/planparser/SqlPlanParserSuite.scala
+++ b/core/src/test/scala/com/nvidia/spark/rapids/tool/planparser/SqlPlanParserSuite.scala
@@ -867,7 +867,7 @@ class SQLPlanParserSuite extends BaseTestSuite {
     }
   }
 
-  test("json_tuple is supported in Generate") {
+  ignore("json_tuple is supported in Generate: disabled as the operator is disabled by default") {
     TrampolineUtil.withTempDir { eventLogDir =>
       val (eventLog, _) = ToolTestUtils.generateEventLog(eventLogDir,
         "Expressions in Generate") { spark =>