SUMMARY
File Layer stops automatic update after the first time.

STEPS TO REPRODUCE
1. Create a File Layer.
2. Edit the image linked to the File Layer then save.
3. The File Layer will update.
4. Try to repeat Step 2, the File Layer will no longer update from this point on.

OBSERVED RESULT
File Layer will automatically update once after the linked image has been edited then saved.

EXPECTED RESULT
File Layer updates every time the linked image is edited then saved.

SOFTWARE/OS VERSIONS
Windows: Windows 10 Home 64-Bit
macOS: 
Linux/KDE Plasma: 
(available in About System)
KDE Plasma Version: 
KDE Frameworks Version: 
Qt Version: 

ADDITIONAL INFORMATION
Krita
  Version: 4.2.7-beta1 (git a75d7b2)

Qt
  Version (compiled): 5.12.5
  Version (loaded): 5.12.5

OS Information
  Build ABI: x86_64-little_endian-llp64
  Build CPU: x86_64
  CPU: x86_64
  Kernel Type: winnt
  Kernel Version: 10.0.18362
  Pretty Productname: Windows 10 (10.0)
  Product Type: windows
  Product Version: 10


OpenGL Info
 
  Vendor:  "Google Inc." 
  Renderer:  "ANGLE (NVIDIA GeForce GTX 660 Direct3D11 vs_5_0 ps_5_0)" 
  Version:  "OpenGL ES 3.0 (ANGLE 2.1.0.57ea533f79a7)" 
  Shading language:  "OpenGL ES GLSL ES 3.00 (ANGLE 2.1.0.57ea533f79a7)" 
  Requested format:  QSurfaceFormat(version 3.0, options QFlags<QSurfaceFormat::FormatOption>(DeprecatedFunctions), depthBufferSize 24, redBufferSize 8, greenBufferSize 8, blueBufferSize 8, alphaBufferSize 8, stencilBufferSize 8, samples -1, swapBehavior QSurfaceFormat::DoubleBuffer, swapInterval 0, colorSpace QSurfaceFormat::DefaultColorSpace, profile  QSurfaceFormat::CompatibilityProfile) 
  Current format:    QSurfaceFormat(version 3.0, options QFlags<QSurfaceFormat::FormatOption>(), depthBufferSize 24, redBufferSize 8, greenBufferSize 8, blueBufferSize 8, alphaBufferSize 8, stencilBufferSize 8, samples 0, swapBehavior QSurfaceFormat::DefaultSwapBehavior, swapInterval 0, colorSpace QSurfaceFormat::DefaultColorSpace, profile  QSurfaceFormat::NoProfile) 
     Version: 3.0
     Supports deprecated functions false 
     is OpenGL ES: true 

QPA OpenGL Detection Info 
  supportsDesktopGL: true 
  supportsAngleD3D11: true 
  isQtPreferAngle: false 

Hardware Information
 Memory: 23 Gb
 Cores: 8
 Swap: Z:/Krita_Swap_File