diff --git a/Project.toml b/Project.toml
index a5ae1e8..d44a356 100644
--- a/Project.toml
+++ b/Project.toml
@@ -47,9 +47,9 @@ HDF5 = "0.15, 0.16"
 ImageUtils = "0.2"
 Images = "0.23, 0.24, 0.25"
 LoggingExtras = ">= 0.4.2"
-MPIFiles = "0.15"
+MPIFiles = "0.15, 0.16"
 MPIMeasurements = "0.5"
-MPIReco = "0.5"
+MPIReco = "0.4, 0.5"
 MPISphericalHarmonics = "0.0.10"
 Reexport = "0.2,1.0"
 CairoMakie = "0.10.2"
diff --git a/src/Devices/SurveillanceWidget.jl b/src/Devices/SurveillanceWidget.jl
index c1a1134..6a4ae44 100644
--- a/src/Devices/SurveillanceWidget.jl
+++ b/src/Devices/SurveillanceWidget.jl
@@ -15,7 +15,7 @@ function TemperatureLog(filename::String)
     p = TOML.parsefile(filename)
     return TemperatureLog(p["temperatures"], p["times"], p["numChan"])
   elseif ext == ".mdf"
-    temps = h5read(filename, "/measurement/_temperatures")
+    temps = h5read(filename, "/measurement/_monitoring/temperature/observed")
     times = [DateTime(0)+Dates.Second(1)*j for j=1:size(temps,2)]
     return TemperatureLog(vec(temps), times, size(temps,1))
   else
diff --git a/src/Devices/TemperatureControlWidget.jl b/src/Devices/TemperatureControlWidget.jl
index ffc92f5..67e40b7 100644
--- a/src/Devices/TemperatureControlWidget.jl
+++ b/src/Devices/TemperatureControlWidget.jl
@@ -32,7 +32,7 @@ function TemperatureControllerWidget(tempCont::TemperatureController)
   #push!(m, m.canvas)
   #set_gtk_property!(m,:expand, m.canvas, true)
 
-  showall(m)
+  show(m)
 
   updateTarget(m)
   updateMaximum(m)
diff --git a/src/Devices/TemperatureSensorWidget.jl b/src/Devices/TemperatureSensorWidget.jl
index a928e19..1e05c36 100644
--- a/src/Devices/TemperatureSensorWidget.jl
+++ b/src/Devices/TemperatureSensorWidget.jl
@@ -71,7 +71,7 @@ function initCallbacks(m::TemperatureSensorWidget)
   end  
 
   signal_connect(m["btnLoadTemp"], :clicked) do w
-    filter = Gtk.GtkFileFilter(pattern=String("*.toml, *.mdf"), mimetype=String("application/toml"))
+    filter = Gtk4.GtkFileFilter(pattern=String("*.toml, *.mdf"), mimetype=String("application/toml"))
     diag = open_dialog("Select Temperature File", mpilab[]["mainWindow"], (filter, )) do filename
       m.updating = true
       if filename != ""
diff --git a/src/MPIUI.jl b/src/MPIUI.jl
index 852623a..a98bea8 100644
--- a/src/MPIUI.jl
+++ b/src/MPIUI.jl
@@ -20,6 +20,7 @@ using MPISphericalHarmonics, SphericalHarmonicExpansions # for MagneticFieldView
 using NLsolve # for MagneticFieldViewer: findFFP()
 using DataFrames, CSV # for MagneticFieldViewer: export as csv
 using Unitful
+using MPIFiles.HDF5 #open MDF files
 import CairoMakie
 
 ENV["MPILIB_UI"] = "Nothing"
diff --git a/src/Protocol/DataHandler/OnlineRecoHandler.jl b/src/Protocol/DataHandler/OnlineRecoHandler.jl
index 0aec068..b0a76d2 100644
--- a/src/Protocol/DataHandler/OnlineRecoHandler.jl
+++ b/src/Protocol/DataHandler/OnlineRecoHandler.jl
@@ -190,7 +190,7 @@ end
 
   if m.freq != nothing
     # here we merge frequencies and channels
-    data = reshape(data, size(data,1)*size(data,2), size(data,3), size(data,4))
+    # data = reshape(data, size(data,1)*size(data,2), size(data,3), size(data,4))
     data = data[m.freq, :, :]
   end
 
diff --git a/src/Reconstruction/ReconstructionParameter.jl b/src/Reconstruction/ReconstructionParameter.jl
index a89c474..92e95c2 100644
--- a/src/Reconstruction/ReconstructionParameter.jl
+++ b/src/Reconstruction/ReconstructionParameter.jl
@@ -179,15 +179,29 @@ function getParams(m::ReconstructionParameter)
     params[:regName] = ["L1", "TV"]
   end=#
 
-  params[:solver] = Kaczmarz
+  #params[:solver] = Kaczmarz
+#
+  #if params[:solver] == Kaczmarz
+  #  if params[:lambdaL1] == 0.0
+  #    params[:reg] = AbstractRegularization[L2Regularization(Float32(params[:lambd]))]
+  #  else
+  #    params[:reg] = AbstractRegularization[L2Regularization(Float32(params[:lambd])), L1Regularization(Float32(params[:lambdaL1]))]
+  #  end
+  #  append!(params[:reg], [PositiveRegularization(), RealRegularization()])
+  #end
+
+  params[:solver] = linearSolverList()[max(get_gtk_property(m["cbSolver"],:active, Int64) + 1,1)]
+  # Small hack
+  if params[:solver] == "fusedlasso"
+    params[:loadasreal] = true
+    params[:lambd] = [params[:lambdaL1], params[:lambdaTV]]
+    params[:regName] = ["L1", "TV"]
+  end
 
-  if params[:solver] == Kaczmarz
-    if params[:lambdaL1] == 0.0
-      params[:reg] = AbstractRegularization[L2Regularization(Float32(params[:lambd]))]
-    else
-      params[:reg] = AbstractRegularization[L2Regularization(Float32(params[:lambd])), L1Regularization(Float32(params[:lambdaL1]))]
-    end
-    append!(params[:reg], [PositiveRegularization(), RealRegularization()])
+  if params[:solver] == "kaczmarz"
+    #params[:loadasreal] = true
+    params[:lambd] = [params[:lambd], params[:lambdaL1] ] #params[:lambdaTV], params[:lambdaL1]]
+    params[:regName] = ["L2", "L1"] #"TV", "L1"]
   end
 
   firstFrame = get_gtk_property(m["adjFrame"], :value, Int64)
diff --git a/src/Viewer/RawDataViewer.jl b/src/Viewer/RawDataViewer.jl
index 2383a47..2be3597 100644
--- a/src/Viewer/RawDataViewer.jl
+++ b/src/Viewer/RawDataViewer.jl
@@ -244,8 +244,21 @@ end
       # TODO: Ensure that the measurements fit together (num samples / patches)
       # otherwise -> error
   
-      numFGFrames = minimum(acqNumFGFrames.(fs))
-      numBGFrames = minimum(acqNumBGFrames.(fs))    
+      numFGFrames = unique(acqNumFGFrames.(fs))
+      if length(numFGFrames) > 1
+        numFGFrames = minimum(numFGFrames)
+        @warn "Different number of foreground frames in data, limit frames to $numFGFrames"
+      else 
+        numFGFrames = first(numFGFrames)
+      end
+
+      numBGFrames = unique(acqNumBGFrames.(fs))
+      if length(numBGFrames) > 1
+        numBGFrames = minimum(numBGFrames)
+        @warn "Different number of background frames in data, limit frames to $numBGFrames"
+      else 
+        numBGFrames = first(numBGFrames)
+      end
       
       dataFGVec = Any[]
       dataBGVec = Any[]
@@ -271,7 +284,7 @@ end
                     tfCorrection=get_gtk_property(m["cbCorrTF"], :active, Bool))
         push!(dataFGVec, data)
 
-        if acqNumBGFrames(f) > 0
+        if numBGFrames > 0
           dataBG = getMeasurements(f, false, frames=measBGFrameIdx(f),
                 bgCorrection=false, spectralLeakageCorrection = get_gtk_property(m["cbSLCorr"], :active, Bool),
                 tfCorrection=get_gtk_property(m["cbCorrTF"], :active, Bool))
@@ -381,42 +394,30 @@ end
     numFreq = floor(Int, size(data,1) ./ 2 .+ 1)
 
     maxPoints = 5000
-    sp = length(minTP:maxTP) > maxPoints ? round(Int,length(minTP:maxTP) / maxPoints)  : 1
-
-    steps = minTP:sp:maxTP
-    dataCompressed = zeros(length(steps), size(data,2))
-    if sp > 1
-      for j=1:size(data,2)
-        for l=1:length(steps)
-          st = steps[l]
-          en = min(st+sp,steps[end])
-          med_ = median(data[st:en,j])
-          max_ = maximum(data[st:en,j])
-          min_ = minimum(data[st:en,j])
-          dataCompressed[l,j] = rand(Bool) ? max_ : min_ #abs(max_ - med_) > abs(med_ - min_) ? max_ : min_
-        end
-      end
-    else
-      dataCompressed = data[steps,:]
-    end
+    # Reduce each channel to either min or max value if intervals of more than maxpoint points
+    reduceOp = (vals -> map(slice -> rand(Bool) ? maximum(slice) : minimum(slice), eachslice(vals, dims=2)))
+    timeCompressed, dataCompressed = prepareTimeDataForPlotting(data, timePoints, indexInterval=(minTP,maxTP),
+                        maxpoints=maxPoints, reduceOp = reduceOp)
 
-    fTD, axTD, lTD1 = CairoMakie.lines(timePoints[steps], dataCompressed[:,1], 
+    fTD, axTD, lTD1 = CairoMakie.lines(timeCompressed, dataCompressed[:,1], 
                             figure = (; figure_padding=4, resolution = (1000, 800), fontsize = 11),
                             axis = (; title = "Time Domain"),
                             color = CairoMakie.RGBf(colors[1]...),
                             label = labels_[1])
     for j=2:size(data,2)
-      CairoMakie.lines!(axTD, timePoints[steps],dataCompressed[:,j], 
+      CairoMakie.lines!(axTD, timeCompressed, dataCompressed[:,j], 
                         color = CairoMakie.RGBf(colors[j]...),  #linewidth=3)
                         label = labels_[j])
     end
     if length(m.dataBG) > 0 && get_gtk_property(m["cbShowBG"], :active, Bool)
-      CairoMakie.lines!(axTD, timePoints[minTP:sp:maxTP],dataBG[minTP:sp:maxTP,1], color=:black,
+      _, dataBGCompressed = prepareTimeDataForPlotting(dataBG, timePoints, indexInterval=(minTP,maxTP),
+                        maxpoints=maxPoints, reduceOp = reduceOp)
+      CairoMakie.lines!(axTD, timeCompressed, dataBGCompressed[:, 1], color=:black,
              label="BG", linestyle = :dash)
     end    
     CairoMakie.autolimits!(axTD)
-    if timePoints[steps[end]] > timePoints[steps[1]]
-      CairoMakie.xlims!(axTD, timePoints[steps[1]], timePoints[steps[end]])
+    if timeCompressed[end] > timeCompressed[1]
+      CairoMakie.xlims!(axTD, timeCompressed[1], timeCompressed[end])
     end
     if !autoRangingTD && maxValTD > minValTD 
       CairoMakie.ylims!(axTD, minValTD, maxValTD)
@@ -436,33 +437,26 @@ end
       spFr = length(minFr:maxFr) > maxPoints ? round(Int,length(minFr:maxFr) / maxPoints)  : 1
 
       stepsFr = minFr:spFr:maxFr
-      freqDataCompressed = zeros(length(stepsFr), size(freqdata,2))
-      if spFr > 1
-        for j=1:size(freqdata,2)
-          for l=1:length(stepsFr)
-            st = stepsFr[l]
-            en = min(st+spFr,stepsFr[end])
-            freqDataCompressed[l,j] = maximum(freqdata[st:en,j])
-          end
-        end
-      else
-        freqDataCompressed = freqdata[stepsFr,:]
-      end
+      freqsCompressed, freqDataCompressed = prepareTimeDataForPlotting(freqdata, freq, indexInterval=(minFr,maxFr),
+                        maxpoints=maxPoints, reduceOp = vals -> map(maximum, eachslice(vals, dims=2)))
+
 
-      fFD, axFD, lFD1 = CairoMakie.lines(freq[stepsFr],freqDataCompressed[:,1], 
+      fFD, axFD, lFD1 = CairoMakie.lines(freqsCompressed,freqDataCompressed[:,1], 
                               figure = (; figure_padding=4, resolution = (1000, 800), fontsize = 11),
                               axis = (; title = "Frequency Domain", yscale=log10),
                               color = CairoMakie.RGBf(colors[1]...),
                               label=labels_[1])
       for j=2:size(data,2)
-        CairoMakie.lines!(axFD, freq[stepsFr], freqDataCompressed[:,j], 
+        CairoMakie.lines!(axFD, freqsCompressed, freqDataCompressed[:,j], 
                      color = CairoMakie.RGBf(colors[j]...), label=labels_[j])
       end
       if length(m.dataBG) > 0 && get_gtk_property(m["cbShowBG"], :active, Bool)
-        CairoMakie.lines!(axTD, timePoints[minTP:sp:maxTP],dataBG[minTP:sp:maxTP,1], color=:black,
-              label="BG", linestyle = :dash)
+        #CairoMakie.lines!(axTD, timePoints[minTP:sp:maxTP],dataBG[minTP:sp:maxTP,1], color=:black,
+        #      label="BG", linestyle = :dash) # isn't this duplicate?
         if showFD
-          CairoMakie.lines!(axFD, freq[minFr:spFr:maxFr],abs.(rfft(dataBG,1)[minFr:spFr:maxFr,1]) / size(dataBG,1),
+          _, freqDataBGCompressed = prepareTimeDataForPlotting(abs.(rfft(dataBG,1)), freq, indexInterval=(minFr,maxFr),
+                        maxpoints=maxPoints, reduceOp = vals -> map(maximum, eachslice(vals, dims=2)))
+          CairoMakie.lines!(axFD, freqsCompressed, freqDataBGCompressed[:, 1] / size(dataBG,1),
                  color=:black, label="BG", linestyle = :dash)
         end
       end    
diff --git a/src/Viewer/Viewer.jl b/src/Viewer/Viewer.jl
index 9dacb40..dedb0af 100644
--- a/src/Viewer/Viewer.jl
+++ b/src/Viewer/Viewer.jl
@@ -1,3 +1,63 @@
+"""
+    prepareTimeDataForPlotting(data::AbstractMatrix, times = 1:length(data); timeInterval = nothing, maxpoints = length(data), reduceOp = nothing)
+
+Reduces time-series `data` to at most `maxpoints` by either resampling or reducing the data with `reduceOp`. The time-series is defined by `times` and `timeInterval`.
+If `timeInterval` is not given, the whole time-series is used. If `reduceOp` is not given, the data is resampled. 
+The function returns the reduced time-series `t` and the reduced data `d`.
+"""
+function prepareTimeDataForPlotting(data::AbstractMatrix, times = 1:length(data); indexInterval = nothing, timeInterval = nothing, maxpoints = length(data), reduceOp = nothing)
+  idx1, idx2 = timeSlice(times, indexInterval, timeInterval)
+  if length(idx1:idx2) > maxpoints
+    t, d = reducePoints(reduceOp, data, times, idx1, idx2, maxpoints)
+  else
+    t = times[idx1:idx2]
+    d = data[idx1:idx2, :]
+  end
+  # return [[Point2f(t[l], d[l, k]) for l in 1:size(d,1)] for k in 1:size(d, 2)]
+  return t, d
+end
+# Main variant is defined for matrices, so we reshape into Nx1 matrix
+function prepareTimeDataForPlotting(data::AbstractVector, args...; kwargs...)
+  # return first(prepareTimeDataForPlotting(reshape(data, :, 1), args...; kwargs...)) 
+  t, d = prepareTimeDataForPlotting(reshape(data, :, 1), args...; kwargs...)
+  return t, vec(d)
+end
+
+
+timeSlice(times, indexInterval, timeInterval) = error("Cannot specify both indexInterval and timeInterval")
+timeSlice(times, indexInterval, ::Nothing) = first(indexInterval), last(indexInterval)
+function timeSlice(times, ::Nothing, timeInterval)
+  t1, t2 = timeInterval
+  idx1 = findfirst(t -> (t>t1), times)
+  idx2 = findlast(t -> (t<t2), times)
+  idx1 = (idx1 == nothing) ? 1 : idx1 
+  idx2 = (idx2 == nothing) ? length(times) : idx2
+  idx1 = min(max(1,idx1),length(times))
+  idx2 = min(max(1,idx2),length(times))
+  return idx1, idx2
+end
+timeSlice(times, ::Nothing) = 1, length(times)
+
+function reducePoints(reduceOp, data, times, idx1, idx2, maxpoints)
+  stepsize = round(Int, (length(idx1:idx2)) / maxpoints, RoundUp)
+  steps = idx1:stepsize:idx2
+  # Sample time
+  t = range(times[idx1], times[idx2], length=length(steps))
+  # Sample data with reduceOp
+  d = zeros(eltype(data), length(t), size(data, 2))
+  # Zip generates start and end indices for each step
+  for (i, (st, en)) in enumerate(zip(steps, map(i -> min(i + stepsize -1, idx2), steps)))
+    d[i, :] = reduceOp(@view data[st:en, :])
+    #@info "Reducing data from $st to $en with $(d[i, :])"
+  end
+  return t, d
+end
+function reducePoints(::Nothing, data, times, idx1, idx2, maxpoints)
+  d = DSP.resample(data[idx1:idx2], maxpoints / length(idx1:idx2))
+  t = range(times[idx1], times[idx2], length=length(d))
+  return t, d
+end
+
 include("BaseViewer.jl")
 include("SimpleDataViewer.jl")
 include("DataViewer/DataViewer.jl")
diff --git a/src/builder/temperatureControllerWidget.ui b/src/builder/temperatureControllerWidget.ui
index dbcb450..6de370d 100644
--- a/src/builder/temperatureControllerWidget.ui
+++ b/src/builder/temperatureControllerWidget.ui
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!-- Generated with glade 3.22.2 -->
 <interface>
-  <requires lib="gtk+" version="3.20"/>
+  <requires lib="gtk" version="4.0"/>
   <object class="GtkBox" id="mainBox">
     <property name="visible">True</property>
     <property name="can_focus">False</property>
@@ -18,11 +18,6 @@
             <property name="can_focus">True</property>
             <property name="receives_default">True</property>
           </object>
-          <packing>
-            <property name="expand">False</property>
-            <property name="fill">True</property>
-            <property name="position">0</property>
-          </packing>
         </child>
         <child>
           <object class="GtkButton" id="btnDisable">
@@ -31,18 +26,8 @@
             <property name="can_focus">True</property>
             <property name="receives_default">True</property>
           </object>
-          <packing>
-            <property name="expand">False</property>
-            <property name="fill">True</property>
-            <property name="position">1</property>
-          </packing>
         </child>
       </object>
-      <packing>
-        <property name="expand">False</property>
-        <property name="fill">True</property>
-        <property name="position">0</property>
-      </packing>
     </child>
     <child>
       <object class="GtkGrid">
@@ -54,24 +39,24 @@
           <object class="GtkSeparator">
             <property name="visible">True</property>
             <property name="can_focus">False</property>
+            <layout>
+              <property name="column">1</property>
+              <property name="row">0</property>
+              <property name="row-span">2</property>
+            </layout>
           </object>
-          <packing>
-            <property name="left_attach">1</property>
-            <property name="top_attach">0</property>
-            <property name="height">2</property>
-          </packing>
         </child>
         <child>
           <object class="GtkLabel">
             <property name="visible">True</property>
             <property name="can_focus">False</property>
             <property name="label" translatable="yes">Target Temps</property>
+            <layout>
+             <property name="column">0</property>
+             <property name="row">0</property>
+             <property name="row-span">2</property>
+            </layout>
           </object>
-          <packing>
-            <property name="left_attach">0</property>
-            <property name="top_attach">0</property>
-            <property name="height">2</property>
-          </packing>
         </child>
         <child>
           <object class="GtkButton" id="btnGetTarget">
@@ -79,11 +64,11 @@
             <property name="visible">True</property>
             <property name="can_focus">True</property>
             <property name="receives_default">True</property>
+            <layout>
+              <property name="column">2</property>
+              <property name="row">0</property>
+            </layout>
           </object>
-          <packing>
-            <property name="left_attach">2</property>
-            <property name="top_attach">0</property>
-          </packing>
         </child>
         <child>
           <object class="GtkButton" id="btnSetTarget">
@@ -91,34 +76,34 @@
             <property name="visible">True</property>
             <property name="can_focus">True</property>
             <property name="receives_default">True</property>
+            <layout>
+              <property name="column">2</property>
+              <property name="row">1</property>
+            </layout>
           </object>
-          <packing>
-            <property name="left_attach">2</property>
-            <property name="top_attach">1</property>
-          </packing>
         </child>
         <child>
           <object class="GtkLabel">
             <property name="visible">True</property>
             <property name="can_focus">False</property>
             <property name="label" translatable="yes">Maximum Temps</property>
+            <layout>
+              <property name="column">0</property>
+              <property name="row">2</property>
+              <property name="row-span">2</property>
+            </layout>
           </object>
-          <packing>
-            <property name="left_attach">0</property>
-            <property name="top_attach">2</property>
-            <property name="height">2</property>
-          </packing>
         </child>
         <child>
           <object class="GtkSeparator">
             <property name="visible">True</property>
             <property name="can_focus">False</property>
+            <layout>
+              <property name="column">1</property>
+              <property name="row">2</property>
+              <property name="row-span">2</property>
+            </layout>
           </object>
-          <packing>
-            <property name="left_attach">1</property>
-            <property name="top_attach">2</property>
-            <property name="height">2</property>
-          </packing>
         </child>
         <child>
           <object class="GtkButton" id="btnGetMaximum">
@@ -126,11 +111,11 @@
             <property name="visible">True</property>
             <property name="can_focus">True</property>
             <property name="receives_default">True</property>
+            <layout>
+              <property name="column">2</property>
+              <property name="row">2</property>
+            </layout>
           </object>
-          <packing>
-            <property name="left_attach">2</property>
-            <property name="top_attach">2</property>
-          </packing>
         </child>
         <child>
           <object class="GtkButton" id="btnSetMaximum">
@@ -138,11 +123,11 @@
             <property name="visible">True</property>
             <property name="can_focus">True</property>
             <property name="receives_default">True</property>
+            <layout>
+              <property name="column">2</property>
+              <property name="row">3</property>
+            </layout>
           </object>
-          <packing>
-            <property name="left_attach">2</property>
-            <property name="top_attach">3</property>
-          </packing>
         </child>
         <child>
           <object class="GtkEntry" id="entGetTarget">
@@ -150,22 +135,22 @@
             <property name="can_focus">True</property>
             <property name="hexpand">True</property>
             <property name="editable">False</property>
+            <layout>
+              <property name="column">3</property>
+              <property name="row">0</property>
+            </layout>
           </object>
-          <packing>
-            <property name="left_attach">3</property>
-            <property name="top_attach">0</property>
-          </packing>
         </child>
         <child>
           <object class="GtkEntry" id="entSetTarget">
             <property name="visible">True</property>
             <property name="can_focus">True</property>
             <property name="hexpand">True</property>
+            <layout>
+              <property name="column">3</property>
+              <property name="row">1</property>
+            </layout>
           </object>
-          <packing>
-            <property name="left_attach">3</property>
-            <property name="top_attach">1</property>
-          </packing>
         </child>
         <child>
           <object class="GtkEntry" id="entGetMaximum">
@@ -173,29 +158,24 @@
             <property name="can_focus">True</property>
             <property name="hexpand">True</property>
             <property name="editable">False</property>
+            <layout>
+              <property name="column">3</property>
+              <property name="row">2</property>
+            </layout>
           </object>
-          <packing>
-            <property name="left_attach">3</property>
-            <property name="top_attach">2</property>
-          </packing>
         </child>
         <child>
           <object class="GtkEntry" id="entSetMaximum">
             <property name="visible">True</property>
             <property name="can_focus">True</property>
             <property name="hexpand">False</property>
+            <layout>
+              <property name="column">3</property>
+              <property name="row">3</property>
+            </layout>
           </object>
-          <packing>
-            <property name="left_attach">3</property>
-            <property name="top_attach">3</property>
-          </packing>
         </child>
       </object>
-      <packing>
-        <property name="expand">False</property>
-        <property name="fill">True</property>
-        <property name="position">1</property>
-      </packing>
     </child>
     <child>
       <object class="GtkBox">
@@ -209,11 +189,6 @@
             <property name="can_focus">True</property>
             <property name="receives_default">True</property>
           </object>
-          <packing>
-            <property name="expand">False</property>
-            <property name="fill">True</property>
-            <property name="position">0</property>
-          </packing>
         </child>
         <child>
           <object class="GtkButton" id="btnResetTemp">
@@ -222,11 +197,6 @@
             <property name="can_focus">True</property>
             <property name="receives_default">True</property>
           </object>
-          <packing>
-            <property name="expand">False</property>
-            <property name="fill">True</property>
-            <property name="position">1</property>
-          </packing>
         </child>
         <child>
           <object class="GtkButton" id="btnSaveTemp">
@@ -235,11 +205,6 @@
             <property name="can_focus">True</property>
             <property name="receives_default">True</property>
           </object>
-          <packing>
-            <property name="expand">False</property>
-            <property name="fill">True</property>
-            <property name="position">2</property>
-          </packing>
         </child>
         <child>
           <object class="GtkButton" id="btnLoadTemp">
@@ -248,18 +213,8 @@
             <property name="can_focus">True</property>
             <property name="receives_default">True</property>
           </object>
-          <packing>
-            <property name="expand">False</property>
-            <property name="fill">True</property>
-            <property name="position">3</property>
-          </packing>
         </child>
       </object>
-      <packing>
-        <property name="expand">False</property>
-        <property name="fill">True</property>
-        <property name="position">2</property>
-      </packing>
     </child>
     <child>
       <object class="GtkEntry" id="entTemperatures">
@@ -268,11 +223,6 @@
         <property name="hexpand">True</property>
         <property name="width_chars">3</property>
       </object>
-      <packing>
-        <property name="expand">False</property>
-        <property name="fill">True</property>
-        <property name="position">3</property>
-      </packing>
     </child>
   </object>
 </interface>