39 lines
1.6 KiB
Markdown
39 lines
1.6 KiB
Markdown
## Major changes in 2.0
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- Database backend switched from LevelDB to SQLite. There is a migration on
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first launch which can be lengthy for larger setups. The new database is
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easier to understand and maintain and, hopefully, less buggy.
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- Deleted items are no longer kept forever in the database, instead they are
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forgotten after six months. If your use case require deletes to take
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effect after more than a six month delay, set the
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`--db-delete-retention-interval` command line option or corresponding
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environment variable to zero, or a longer time interval of your choosing.
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- Modernised command line options parsing. Old single-dash long options are
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no longer supported, e.g. `-home` must be given as `--home`. Some options
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have been renamed, others have become subcommands. All serve options are
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now also accepted as environment variables. See `syncthing --help` and
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`syncthing serve --help` for details.
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- Rolling hash detection of shifted data is no longer supported as this
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effectively never helped. Instead, scanning and syncing is faster and more
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efficient without it.
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- A "default folder" is no longer created on first startup.
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- Multiple connections are now used by default between v2 devices. The new
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default value is to use three connections: one for index metadata and two
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for data exchange.
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- The following platforms unfortunately no longer get prebuilt binaries for
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download at syncthing.net and on GitHub, due to complexities related to
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cross compilation with SQLite:
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- dragonfly/amd64
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- illumos/amd64 and solaris/amd64
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- linux/ppc64
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- netbsd/*
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- openbsd/386 and openbsd/arm
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- windows/arm
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