Added text-to-speech feature in 4.5.0. To enable, go to Settings > Speech.
Added --scale-factor to CLI in 4.5.0. Substitutions will follow in a future release.
Added --scale-factor to CLI. Substitutions will follow in a future release.
Bad at character aspect ratio when space between lines is small
Fixed in 4.5.0. For Japanese, when multiple lines are detected, set textord_min_linesize to 2.0, otherwise use 2.5.
Sounds like a good idea. In the meantime, you can probably use one of those text-to-speech tools that monitor the clipboard. Search SourceForge for "clipboard speech" or "clipboard TTS".