diff --git a/MMCore/Devices/DeviceInstance.cpp b/MMCore/Devices/DeviceInstance.cpp
index 2b800d8cd..a36ea75b7 100644
--- a/MMCore/Devices/DeviceInstance.cpp
+++ b/MMCore/Devices/DeviceInstance.cpp
@@ -180,8 +180,20 @@ void
 DeviceInstance::SetProperty(const std::string& name,
       const std::string& value) const
 {
-   if (initialized_ && GetPropertyInitStatus(name.c_str()))
-      ThrowError("Cannot set pre-init property after initialization");
+   if (initialized_ && GetPropertyInitStatus(name.c_str())) {
+      // Note: Some features (port scanning) may depend on setting serial port
+      // properties post-init. We may want to exclude SerialManager from this
+      // check (regardless of whether strictInitializationChecks is enabled).
+      if (mm::features::flags().strictInitializationChecks)
+      {
+         ThrowError("Cannot set pre-init property after initialization");
+      }
+      else
+      {
+         LOG_WARNING(Logger()) << "Setting of pre-init property (" << name <<
+            ") not permitted on initialized device (this will be an error in a future version of MMCore; for now we continue with the operation anyway, even though it might not be safe)";
+      }
+   }
 
    LOG_DEBUG(Logger()) << "Will set property \"" << name << "\" to \"" <<
       value << "\"";
diff --git a/MMCore/MMCore.cpp b/MMCore/MMCore.cpp
index b458f92cf..e2c7107f6 100644
--- a/MMCore/MMCore.cpp
+++ b/MMCore/MMCore.cpp
@@ -102,7 +102,7 @@ using namespace std;
  * (Keep the 3 numbers on one line to make it easier to look at diffs when
  * merging/rebasing.)
  */
-const int MMCore_versionMajor = 11, MMCore_versionMinor = 1, MMCore_versionPatch = 0;
+const int MMCore_versionMajor = 11, MMCore_versionMinor = 1, MMCore_versionPatch = 1;
 
 
 ///////////////////////////////////////////////////////////////////////////////
diff --git a/MMCoreJ_wrap/pom.xml b/MMCoreJ_wrap/pom.xml
index 38d1ba920..6be3fecd5 100644
--- a/MMCoreJ_wrap/pom.xml
+++ b/MMCoreJ_wrap/pom.xml
@@ -3,7 +3,7 @@
    <groupId>org.micro-manager.mmcorej</groupId>
    <artifactId>MMCoreJ</artifactId>
    <packaging>jar</packaging>
-   <version>11.1.0</version>
+   <version>11.1.1</version>
    <name>Micro-Manager Java Interface to MMCore</name>
    <description>Micro-Manager is open source software for control of automated/motorized microscopes.  This specific packages provides the Java interface to the device abstractino layer (MMCore) that is written in C++ with a C-interface</description>
    <url>http://micro-manager.org</url>