When I click on the Load Template button in the topright corner of the Git Commit dialog the Select Template dialog appears. There are following a11y problems reported for this dialog by the a11y-tester tool.

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 Tested Window title : Select Template
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Results of Accessibility test
  Accessible name :
   Class: javax.swing.JTextArea {  |  } 
 No Accessible description :
   Class: javax.swing.JButton {  Load File... |  } 
   Class: javax.swing.JButton {  Save as File... |  } 
   Class: javax.swing.JCheckBox {  Automatically fill into commit message |  } 
   Class: javax.swing.JTextArea {  |  } 
   Class: org.netbeans.core.windows.services.NbDialog {  Select Template |  } 
 Components with no LABEL_FOR pointing to it :
   Class: javax.swing.JTextArea {  |  } 
 Components with no mnemonic :
   Class: javax.swing.JCheckBox {  Automatically fill into commit message |  }