• availability: this issue could lead to a temporary condition of being unable to read or write to the filesystem
• confidentiality: this issue could lead to the unintended disclosure of user data (it is unclear whether this includes "traffic analysis" information such as how many files of what size you access at what times, the shape of your directory graph, the fact that you run a Tahoe-LAFS client or storage server, etc. Perhaps those issues should be labelled privacy instead.)
• dataloss: this issue could lead to the unintended loss of data
• easy: this issue represents some low-hanging (coding) fruit
• forward-compatibility:
• i18n: this issue is related to internationalization (usually unicode related)
• integrity: this issue could lead to the unintended alteration of data
• reliability: this issue could lead to unpredictable failure of functionality
• security: security issues not tagged with a more specific keyword (confidentiality, integrity, etc.)
• unicode: this issue is related to unicode (internationalization)
• usability: this issue is concerned with ease of use (concerning interface or mental models)
• docs: this issue involves updating documentation
• performance: this issue describes an opportunity to improve some aspect of performance (speed, latency, bandwidth, space usage, etc.)

Platforms:

• mac: Mac OS X
• ubuntu, debian, etc.: specific Linux distributions
• unix: all Unices
• windows: Microsoft Windows (any version)