diff --git a/CHANGELOG.md b/CHANGELOG.md
index 77a9ddf795a8210c461fabfd360a6fe405315e64..b671c7199f77885162d451ac91d9afde689a1480 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -19,6 +19,8 @@ The format is based on [keep a changelog](http://keepachangelog.com) and this pr
 - Better handling of storage operations where OCC is not required.
 - Default ledger updates to false in JS and Lua runtimes `walletsUpdate` functions.
 - Build with Go 1.17.0 release.
+- New config option to toggle Lua runtime error stacktraces returned to clients.
+- Purchase validation functions now return a flag indicating if valid purchases are new or resubmitted.
 
 ### Fixed
 - Fix log level in Lua runtime log calls which use logger fields.
diff --git a/server/config.go b/server/config.go
index 377a86da4e97df81563d61e288b0863c944ff95b..1f6e97895d2367d1eac7ba094ced12b9d852607c 100644
--- a/server/config.go
+++ b/server/config.go
@@ -765,7 +765,7 @@ type RuntimeConfig struct {
 	EventQueueWorkers  int               `yaml:"event_queue_workers" json:"event_queue_workers" usage:"Number of workers to use for concurrent processing of events. Default 8."`
 	ReadOnlyGlobals    bool              `yaml:"read_only_globals" json:"read_only_globals" usage:"When enabled marks all Lua runtime global tables as read-only to reduce memory footprint. Default true."` // Kept for backwards compatibility
 	LuaReadOnlyGlobals bool              `yaml:"lua_read_only_globals" json:"lua_read_only_globals" usage:"When enabled marks all Lua runtime global tables as read-only to reduce memory footprint. Default true."`
-	LuaApiStackTrace   bool              `yaml:"lua_api_stacktrace" json:"lua_api_stacktrace" usage:"Add the Lua stacktrace in the API response"`
+	LuaApiStacktrace   bool              `yaml:"lua_api_stacktrace" json:"lua_api_stacktrace" usage:"Include the Lua stacktrace in error responses returned to the client. Default false."`
 	JsEntrypoint       string            `yaml:"js_entrypoint" json:"js_entrypoint" usage:"Specifies the location of the bundled JavaScript runtime source code."`
 }
 
@@ -826,7 +826,7 @@ func NewRuntimeConfig() *RuntimeConfig {
 		EventQueueWorkers:  8,
 		ReadOnlyGlobals:    true,
 		LuaReadOnlyGlobals: true,
-		LuaApiStackTrace:   true,
+		LuaApiStacktrace:   false,
 	}
 }
 
diff --git a/server/runtime_lua.go b/server/runtime_lua.go
index 097fe1e2d3482d5f3c6c4e7354e0c39171f7ef84..2a2fe212f9383b75212482cfeb2a417ef03ca51f 100644
--- a/server/runtime_lua.go
+++ b/server/runtime_lua.go
@@ -36,7 +36,6 @@ import (
 	"github.com/heroiclabs/nakama/v3/social"
 	"go.uber.org/atomic"
 	"go.uber.org/zap"
-	"go.uber.org/zap/zapcore"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/protobuf/encoding/protojson"
 	"google.golang.org/protobuf/proto"
@@ -2004,9 +2003,7 @@ func (r *RuntimeLua) Stop() {
 }
 
 func clearFnError(fnErr error, rp *RuntimeProviderLua, lf *lua.LFunction) error {
-	if apiErr, ok := fnErr.(*lua.ApiError); ok &&
-		(!rp.config.GetRuntime().LuaApiStackTrace || !rp.logger.Core().Enabled(zapcore.InfoLevel)) {
-
+	if apiErr, ok := fnErr.(*lua.ApiError); ok && !rp.config.GetRuntime().LuaApiStacktrace {
 		msg := apiErr.Object.String()
 		if strings.HasPrefix(msg, lf.Proto.SourceName) {
 			msg = msg[len(lf.Proto.SourceName):]