diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8242e0b..64bf2c6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -46,7 +46,7 @@ if(NOT DEFINED BUILD_GIT_DIRTY)
 endif()
 
 string(TIMESTAMP BUILD_DATE "%Y-%m-%d")
-string(TIMESTAMP BUILD_TIME "%H:%M")
+string(TIMESTAMP BUILD_TIME "%H:%M:%S")
 
 configure_file(Source/BuildInfo.h.in ${CMAKE_CURRENT_BINARY_DIR}/Source/BuildInfo.h @ONLY)
 message(STATUS "RMX-19 build: ${BUILD_GIT_BRANCH} ${BUILD_GIT_COMMIT}${BUILD_GIT_DIRTY} @ ${BUILD_DATE} ${BUILD_TIME}")
diff --git a/Source/BuildInfo.h.in b/Source/BuildInfo.h.in
index a91b9e6..bd88724 100644
--- a/Source/BuildInfo.h.in
+++ b/Source/BuildInfo.h.in
@@ -3,7 +3,10 @@
 #define BUILD_GIT_BRANCH   "@BUILD_GIT_BRANCH@"
 #define BUILD_GIT_COMMIT   "@BUILD_GIT_COMMIT@"
 #define BUILD_GIT_DIRTY    "@BUILD_GIT_DIRTY@"
-#define BUILD_DATE         "@BUILD_DATE@"
-#define BUILD_TIME         "@BUILD_TIME@"
+
+// exact local compile timestamp, seconds precision (from the compiler itself,
+// so it stays accurate on every rebuild even without a CMake reconfigure)
+#define BUILD_DATE         __DATE__
+#define BUILD_TIME         __TIME__
 
 #define BUILD_VERSION      "1.0.0"
\ No newline at end of file
diff --git a/Source/LcdPanel.cpp b/Source/LcdPanel.cpp
index aafba63..2a844e2 100644
--- a/Source/LcdPanel.cpp
+++ b/Source/LcdPanel.cpp
@@ -945,7 +945,11 @@ void LcdPanel::stepDelaySync (int dir)
     const int cur = (int) proc.apvts.getRawParameterValue ("delaysync")->load();
     const int nv = juce::jlimit (0, prm::delaySyncCount - 1, cur + dir);
     if (nv != cur)
+    {
+        par->beginChangeGesture();
         par->setValueNotifyingHost (juce::NormalisableRange<double> (0.0, (double) (prm::delaySyncCount - 1)).convertTo0to1 ((double) nv));
+        par->endChangeGesture();
+    }
     setDirty();
 }
 
@@ -957,7 +961,13 @@ void LcdPanel::stepParam (prm::Id id, int dir, bool coarse)
     const float cur = proc.apvts.getRawParameterValue (prm::desc (id).id)->load();
     const float nv = prm::changeParam (id, cur, dir, coarse);
     if (nv != cur)
+    {
+        // send begin/end gesture so hosts (FL "tools -> last tweaked") register
+        // this as a user tweak rather than a silent automation change
+        par->beginChangeGesture();
         par->setValueNotifyingHost (par->convertTo0to1 (nv));
+        par->endChangeGesture();
+    }
     setDirty();
 }
 
diff --git a/Source/PluginEditor.cpp b/Source/PluginEditor.cpp
index 449d631..2095e26 100644
--- a/Source/PluginEditor.cpp
+++ b/Source/PluginEditor.cpp
@@ -139,7 +139,8 @@ void RackEditor::paint (juce::Graphics& g)
     // rear engraving text (kept clear of the UI-scale dropdown at the bottom right)
     g.setColour (juce::Colour (0xff6e6657));
     g.setFont (juce::FontOptions ("Courier New", 8.0f, juce::Font::plain));
-    const juce::String ser = "RMX-19  S/N 0001-1943-04-19  24BIT/96K SUPER SOUND MODULE";
+    const juce::String ser = "RMX-19  S/N 0001-1943-04-19  24BIT/96K SUPER SOUND MODULE  BUILT "
+                             + juce::String (BUILD_DATE) + " " + juce::String (BUILD_TIME);
     g.drawFittedText (ser, 12, b.getHeight() - 16, b.getWidth() - 128, 11, juce::Justification::centred, 1);
 }