Swimchain Desktop v0.1.11-alpha (mainnet — full-bleed feed media)

Feed images now fill the card edge-to-edge with a capped natural aspect ratio, and multi-image posts get a swipeable carousel with dots and an n/N counter (feed and post detail). From PR #102. App version 0.1.1.

SHA-256 (setup.exe): a0ff5700fec270733492522d56875cc5a43888dee9525d904d55240358b0491b