[2.5.0] Update transmission to 4.1.0 Full Changelog Improved TP download performance. (#​6508) Added support for IPv6 and dual-stack UDP trackers. (#​6687) Support trackers that only support the old BEP-7 with &ipv4= and &ipv6=. (#​7481) New JSON-RPC 2.0-compliant RPC API. (#​7269) Added optional sequential downloading. (#​4795) Use native icons for menus and toolbars: SF Symbols on macOS, Segoe Fluent on Windows 11, Segoe MDL2 on Windows 10, and XDG standard icon names everywhere else. (#​7819, Qt Client) Fixed 4.0.6 bug where Transmission might spam HTTP tracker announces. (#​7086) Improved libtransmission code to use less CPU. (#​4876, #​5645, #​5715, #​5734, #​5740, #​5792, #​6103, #​6111, #​6325, #​6549, #​6589, #​6712, #​7027, #​7744, #​7800) Avoid unnecessary heap memory allocations. (#​5519, #​5520, #​5522, #​5527, #​5540, #​5649, #​5666, #​5672, #​5676, #​5720, #​5722, #​5725, #​5726, #​5768, #​5788, #​5830, #​6542) Slightly reduced latency when sending protocol messages to peers. (#​5394)