Changelog

Alpha versions

Rekkord 0.74

Released on 2025-06-26

• Fix "Blob is not a Snapshot" error during repository check
• Avoid unreadable progress output when not run in VT-100 terminal

Rekkord 0.73

Released on 2025-06-23

• Use new tamper-resistant snapshot tags
• Compute and record additional storage size in snapshots
• Improve accuracy of per-snapshot storage values
• Report snapshot-specific values in rekkord list
• Adjust log text from rekkord init

Rekkord 0.72

Released on 2025-06-21

• Fix broken use of conditional S3 writes (regression)
• Improve S3 compatibility with some S3 providers
• Improve FUSE file read performance for random reads
• Fix OpenBSD build

Rekkord 0.71

Released on 2025-06-20

• Extend object locks during repository checks
• Fix PutObjectRetention signing errors with some S3 providers
• Allow changing number of threads through config file
• Reorder some sections in main help text
• Fix possible use-after-free in S3 code
• Fix noisy error message when running rekkord --help
• Fix bogus assertion in cache code

Rekkord 0.70

Released on 2025-06-18

• Try to load rekkord.ini from standard paths
• Drop confusing default user write
• Simplify manual S3 configuration
• Clean up S3 retry conditions

Rekkord 0.69

Released on 2025-06-16

• Fix erroneous hash mismatch bug with legacy blob types
• Fix stale check mark and validity values

Rekkord 0.68

Released on 2025-06-16

• Accept common options before command, such as rekkord -R /tmp/repo init
• Accept authentification with master key in all commands
• Separate common and specific options in command help texts
• Validate OID hash against unencrypted blob content
• Retry failed blob check without delay
• Rewrite cache code for performance and reliability
• Fix rare password generation bug in rekkord init
• Hide progress spam from rekkord mount output

Rekkord 0.67

Released on 2025-06-14

• Support disabling conditional S3 writes
• Support S3_DEFAULT_REGION environment variable
• Rename S3 access key setting
• Simplify supported S3 URL schemes
• Fail early for NotImplemented S3 errors
• Fix non-working S3 LockMode setting in Rekkord
• Fix broken compilation on Windows
• Fix use-after-free in S3 region detection code
• Use UNSIGNED-PAYLOAD to increase S3 performance

Rekkord 0.66

Released on 2025-06-12

• Improve automatic region detection (tested with Garage and R2)
• Fix S3 signing regression after region detection
• Fix possible off-by-one access in S3 config code

Rekkord 0.65

Released on 2025-06-12

• Add rekkord check command to check snapshot validity
• Change rekkord save syntax to always take a snapshot channel
• Change rekkord restore syntax for consistency
• Change save and restore metadata CLI options
• Support default directory POSIX ACLs
• Use slightly more compact directory metadata
• Fix inaccurate number of entries in some snapshots
• Fix ignored S3 Region config file setting
• Fix broken FreeBSD build
• Fix various incompatibilites with Big Endian platforms (untested)
• Show progress bar during cache rebuild
• Improve S3 performance by reducing SigV4 signing overhead
• Improve SFTP repository initialization speed
• Refactor librekkord to separate disk, repository and tape layers

Rekkord 0.64

Released on 2025-06-01

• Commit local cache periodically to increase performance
• Fix error when using rekkord save on Windows
• Fix empty warning about snapshot entry rename
• Uppercase Windows drive letters in rekkord snapshots

Rekkord 0.63

Released on 2025-05-29

• Fix stack overflow in S3 code
• Accept S3_* environment variables for S3 configuration
• List OID attributes as Object
• Add rekkord check_blobs to make sure all blobs are readable
• Reduce indentation width in XML and JSON outputs
• Remove rekkord migrate_blobs command

Rekkord 0.62

Released on 2025-05-28

• Separate metadata and content blobs
• Add command to migrate blobs from old Rekkord versions
• Reuse HTTPS connections to improve S3 performance
• Increase default Rekkord compression level
• Skip fetch when restoring empty files
• Fix silent early restore exit when using --dry_run
• Fix reported hash when using rekkord save --raw
• Remove unused command from rekkord --help all text

Rekkord 0.61

Released on 2025-05-26

• Avoid blob overwrites (with conditional S3 writes)
• Remove probabilistic blob cache rebuilds
• Adjust default Rekkord concurrency values
• Rename rekkord rebuild_cache command to rekkord reset_cache
• Change rekkord --help full to rekkord --help all
• Rename public librekkord repository API

Rekkord 0.59

Released on 2025-05-18

• Store full storage size in each snapshot

Rekkord 0.58

Released on 2025-05-12

• Fix wrong key used to sign user keysets

Rekkord 0.56

Released on 2025-05-11

• Create new default log user in rekkord init
• Fix inaccurate rekkord restore progress with small files
• Report number of restored entries
• Make --dry_run behave closer to normal restore (except it does not write to disk)
• Support SSH key setting in base64 format
• Accept SSH usernames with capitals
• Replace libacl with handmade code for Linux

Rekkord 0.55

Released on 2025-05-06

• Store ctime and atime (if --store_atime is used) values
• Fix rekkord list error with special or failed files
• Properly handle symlink following in new xattr code
• Support xattrs (with --store_xattrs) on Linux and FreeBSD
• Add --channel option to rekkord snapshots
• Rename rekkord restore options for consistency
• Fix minor endianness issues

Rekkord 0.54

Released on 2025-05-02

• Add rekkord channels to help notice failing snapshots
• Remove tag migration command

Rekkord 0.53

Released on 2025-05-01

• Reduce delay before initial S3 connection error
• Improve support for S3 URLs with dotted bucket names
• Fix silent exit with missing S3 bucket (status 404)

Rekkord 0.52

Released on 2025-05-01

• Fix broken big file deduplication caused by unstable splitter seed
• Fix default snapshot channel reported as null after save
• Adjust naming of tag files

Rekkord 0.51

Released on 2025-04-30

• Replace snapshot names with channels
• Fix incoherent mode checks with WriteOnly role
• Rename --sort values in rekkord snapshots

Rekkord 0.50

Released on 2025-04-28

• Differentiate disk access modes and user roles
• Support four user roles: Admin, ReadWrite, WriteOnly and LogOnly
• Sign tags to prevent tampering by LogOnly users
• Increase maximum snapshot name length (256 bytes)

Rekkord 0.49

Released on 2025-04-24

• Use two 128-bit repository IDs: RID (repository ID) and CID (cache ID)
• Replace rekkord change_id command with rekkord change_cid
• Prevent stale leftover cache files after ID change

Rekkord 0.48

Released on 2025-04-24

• Sign root config file to detect tampering

Rekkord 0.46

Released on 2025-04-23

• Sign user keyfiles to detect tampering
• Add option to check user signatures with rekkord list_users
• Fix exit code when rekkord add_user -K fails
• Protect keys in more places

Rekkord 0.45

Released on 2025-04-22

• Use OS-specific API to lock and conceal memory containing encryption keys
• Change format of user key files for simplicity
• Default to write user if not specified
• Remove --depth option from rekkord list

Rekkord 0.44

Released on 2025-04-21

• Auto-generate user passwords when prompt is left empty
• Fix ambiguous --password option in rekkord add_user

Rekkord 0.43

Released on 2025-04-21

• Change users to be single-role and create two users by default (full and write)
• Rename repository environment variable from REKKORD_URL to REKKORD_REPOSITORY
• Rename user setting and environment variable
• Support -f as shortcut for --force in Rekkord user commands
• Try to prevent sensitive memory from ending up in core dumps

Rekkord 0.42

Released on 2025-04-18

• Fix error when trying to restore special files (such as sockets)
• Skip creation of root directory in rekkord restore when --dry_run is used

Rekkord 0.41

Released on 2025-04-17

• Drop support for long snapshot names (reduce list performance)
• Explictly limit snapshot name length to 80 bytes
• Remove username suffix in default snapshot names
• Fix ignored value from REKKORD_USERNAME environment variable

Rekkord 0.40

Released on 2025-04-16

• Derive encryption keys from the master key
• Use separate data key pair (for blobs) and tag/log key pair (for snapshot log)
• Derive the FastCDC chunker seed from the write key
• Derive the BLAKE3 hash salt from the write key
• Pad blobs with Padmé algorithm to reduce size leakage
• Always prompt user for master key export path
• Drop rekkord export_key command since the master key is not stored anymore
• Drop --skip_key option from rekkord init since export is not possible after that
• Sort rekkord list_users entries alphabetically

Rekkord 0.39

Released on 2025-03-23

• Fix excessive memory usage during rekkord save

Rekkord 0.38

Released on 2025-03-23

• Use 256 subdirectories for blobs instead of 4096

Rekkord 0.37

Released on 2025-03-23

• Add retry logic to handle transient SFTP errors in rekkord
• Add --preserve_atime option to rekkord save
• Fix wrong cache ID used by rekkord rebuild_cache
• Fix minor typos in help and log

Rekkord 0.36

Released on 2025-03-22

• Fix stalling and deadlock when restoring many files in rekkord restore

Rekkord 0.35

Released on 2024-12-25

• Fix error when listing empty directories and snapshots (regression introduced in Rekkord 0.30)

Rekkord 0.34

Released on 2024-12-09

• Use more standard syntax in usage texts
• Use assembly implementations of blake3 and libsodium algorithms

Rekkord 0.33

Released on 2024-11-29

• Show busy progress bar while running rekkord save

Rekkord 0.32

Released on 2024-11-28

• Support sub-object listing and restoration in rekkord
• Drop --flat option from rekkord restore command
• Drop --flat option from rekkord mount command

Rekkord 0.31

Released on 2024-11-25

• Fix use of unix time format for rekkord list -f XML
• Change style of CLI progress bars

Rekkord 0.30

Released on 2024-11-24

• Adjust rekkord data format for better progress reports (causes transient repository size expansion)
• Report progress while running rekkord restore
• Report progress while running rekkord list
• Reduce number of threads for local rekkord repositories
• Default to 100 threads for S3 access in rekkord
• Fix detection of sftp: URLs in rekkord
• Fix stripped root '/' with short SSH urls
• Expose tag filename in rekkord snapshots
• Use ISO time strings for JSON and XML rekkord outputs
• Fix typos in help and error messages

Rekkord 0.29

Released on 2024-10-16

• Revert "Always append username to snapshot names" change

Rekkord 0.28

Released on 2024-10-15

• Add --pattern option to rekkord snapshots
• Clean up and rename rekkord mount fuse options

Rekkord 0.27

Released on 2024-10-08

• Replace base64 master key display with file export
• Always append username to snapshot names

Rekkord 0.26

Released on 2024-10-02

• Fix rekkord save crash when saving in raw mode
• Fix read-beyond-end of hash identifiers
• Append username to default snapshot names
• Fix possible NULL name when listing snapshots

Rekkord 0.25

Released on 2024-10-02

• Support locating snapshots by name in main commands
• Show SSH error message if SFTP error is "Success"
• Fix broken multi-sort in rekkord snapshots

Rekkord 0.24

Released on 2024-10-01

• Remove support for anonymous snapshots
• Add sort option to rekkord snapshots
• Improve exploration commands with colors
• Fix ugly double-slash in restore paths
• Use O_TMPFILE for rekkord restore on Linux
• Improve Windows compatibility
• Switch to GPL 3+ license

Rekkord 0.23

Released on 2024-09-03

• Support --verbose and --dry_run flags in rekkord restore

Rekkord 0.22

Released on 2024-09-03

• Add option to delete extra files and directories with rekkord restore
• Fix incorrect mtime when restoring files on POSIX systems

Rekkord 0.21

Released on 2024-07-28

• Update to LZ4 1.10.0
• Use higher LZ4 compression level by default
• Add setting to change LZ4 compression level

Rekkord 0.20

Released on 2024-07-19

• Fix error when using rekkord build_cache

Rekkord 0.19

Released on 2024-07-18

• Reduce intempestive rekkord cache rebuilds
• Drop buggy error code check in SFTP code
• Always run cache rebuild inside transaction

Rekkord 0.18

Released on 2024-07-18

• Rebuild local cache when ID changes
• Fix silent SSH overwrite fails in rekkord commands
• Normalize and check mount point ahead of time
• Fix crash after rekkord mount exit due to destructor ordering
• Use capitalized attribute names in XML outputs
• Adjust open mode required for advanced commands
• Protect rekkord secrets with mlock() and zero erase

Rekkord 0.17

Released on 2024-04-01

• Optimize tag storage and listing
• Isolate advanced rekkord commands
• Add rekkord rebuild_cache command

Rekkord 0.16

Released on 2024-03-18

• Add FUSE support with rekkord mount
• Rename put/get commands to save/restore
• Store number of subdirectories in directory entries (causes transient repository size expansion)
• Reduce unnecessary traffic while listing tree content
• Reduce binary size

Rekkord 0.15

Released on 2024-02-19

• Improve error message for uninitialized repository
• Better handle transient repository errors

Rekkord 0.14

Released on 2024-02-12

• Rename rekord project to rekkord

Rekkord 0.13

Released on 2024-01-21

• Rename rekord log command to rekord snapshots

Rekkord 0.12

Released on 2024-01-18

• Combine repository ID and url to secure cache ID

Rekkord 0.11.1

Released on 2024-01-11

• Use case-insensitive test for rekord CLI output format name
• Add Windows and macOS builds

Rekkord 0.11

Released on 2024-01-05

• Rename exploration commands
• Fix broken compilation on Windows

Rekkord 0.10

Released on 2023-12-22

• Replace object ID mentions with object hash
• Generate or prompt for passwords after config check
• Add rekord change_id command
• Fix broken highlight in help texts

Rekkord 0.9.1

Released on 2023-12-22

• Fix possible use-after-free while snapshotting

Rekkord 0.9

Released on 2023-12-22

• Add user management commands
• Support <username>@<host>:[path] syntax for SSH URLs

Rekkord 0.8

Released on 2023-12-18

• Export master key after repository initialization
• Change rekord export_key to export in base64 format
• Change rekord init to use -R for repository URL (like other commands)

Rekkord 0.7

Released on 2023-12-15

• Fix init of local and S3 rekord repositories
• Adjust names of config keys and environment variables
• Support s3:// scheme for S3 repository URLs
• Minor CLI output changes

Rekkord 0.6

Released on 2023-12-13

• Fix excessive memory usage when storing big files in parallel

Rekkord 0.5

Released on 2023-12-12

• Fix unbounded task queue for large put and get tasks
• Change plain output format for rekord list
• Minor other output changes

Rekkord 0.4

Released on 2023-12-03

• Add JSON and XML list output formats
• Add rekord tree command to list files

Rekkord 0.3

Released on 2023-11-29

• Improve rekord performance on low-core machines
• Improve error when rekord cannot reserve space for file

Rekkord 0.2

Released on 2023-11-16

• Automatically create Linux cache directory if needed
• Show base64 SHA256 fingerprints for unknown SSH servers
• Support config-based SSH known fingerprint
• Restore files with temporary name until complete
• Use "default" repository username if not set

Rekkord 0.1

• First proper release