RTorrent release version 0.16.19

Summary

This release includes various bugfixes and minor improvements.

Development Funding

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What's Changed

Cleanup / Improvements

• Added 'log.print' by @fffe
• Added a least active cache to FileManager by @rakshasa
• Performance improvements to size IDLE peer reads to the piece header by @j-c-m
• Mark d.timestamp.started as safe by @simonc56

Bug Fixes

• Reject truncated integers in bencode skip parser by @acts-1631
• Limit tracker peer insertion to available-list capacity by @acts-1631
• Limit queued upload requests per peer by @acts-1631
• Reject truncated magnet URI parameters by @acts-1631
• Use optional for request-list piece affinity by @j-c-m
• Implement ChunkSelector::advance_position by @j-c-m
• Avoid blocking on fd close using a separate thread by @j-c-m
• Fix FileManager::detach least active cache fix by @j-c-m
• Don't throw when a start callback outlives its CurlGet by @xirvik
• Don't close unopened files when FileList::open() fails by @xirvik
• Reject over-budget socket allocations with input_error instead of internal_error by @xirvik
• Fix group..ratio.disable calling a removed command by @xirvik
• Break the CurlGet self-reference cycle in HttpGet slots by @moontwister
• Fix FileManager check if the file can be closed by @jmakovicka