Example of matrixInput not working in Shiny 0.6 but working in 0.5.

global.r

library("shinyIncubator")
library("shiny")

server.r

shinyServer(function(input, output, session) {

  output$table <- renderTable({
  
    as.data.frame(input$mat)
  })
  
})

ui.r

shinyUI(pageWithSidebar(
  
  # Header:
  headerPanel("Test"),
  
  # Input in sidepanel:
  sidebarPanel(
  
    matrixInput('mat','Matrix:', as.data.frame(matrix(1,4,4)))
  ),
  #     downloadLink('downloadData', 'Download PDF')
  
  # Main:
  mainPanel(
    tableOutput("table")
    
  )
))