Release v1.5.13

fix conversion from tgs

Release v1.5.12

• fix directory not empty check
• GUI fix title getting changed if dir not empty

Release v1.5.11

show absolute path, check for non-empty in/out dir

Release v1.5.10

Invalid telegram stickers do not cause whole upload to fail

Release v1.5.9

Fix telegram recompress error

Release v1.5.8

update dependencies

Release v1.5.7

Using personal mirror for downloading pngquant

Release v1.5.6

- Fix building on MacOS

- Allow ffmpeg that is not in PATH to be executed with subprocess
- Add more tips about uploading stickers manually

Release v1.5.5

- Add Get help in GUI

- Tidying up README
- Changing appicon
- Update screenshot

Release v1.5.4

fix build downloading resources