This is the fifth major release of JuiceFS, and is an LTS version as well that will be maintained for 24 months.
Since v1.3.0 it has 520 commits from 57 contributors, thanks to @jiefenghuang @zhijian-pro @Xuyuchao-juice @zxh326 @YunhuiChen @polyrabbit @solracsf @chenjie4255 @CaitinChen @yuhr123 @davies @Looka149 @201341 @zhoucheng361 @cxljs @tangyoupeng @wzhallright @Light-City @JoyLiuc @mdolr @simpleqin @qingketsing @timfeirg @prOOrc @eakman-datadog @mt5225 @sw-cho @T-TRz879 @wsq77-ws @Niennienzz @vyalamar @lynus @zhitaoli-6 @VerTiGoEtrex @mwkang @lesterMing @asyqm @kyungwan-nam @ndeepak-baseten @zexee @hegdeadithyak @anthonyeleven @kungf @CodingPoeta @rifeplight @Joffref @mcassaniti @nautaa @juchaosong @krmeda-msft @yangliping @leoliulei @cuiweixie @qingzhongli @CodeRusher @sjp00556 @mzygQAQ

Highlights

• Support storage tiers with configurable storage classes (#6761,#6769,#6809,#6805,#6803,#6854,#6820,#6824,#6816,#6807,#6786,#6817,#6799,#6831,#6787,#6785,#6795,#6782,#6930,#7074,#7099,#7209)
• Support user and group quota management (#6330,#6369,#6386,#6396,#6361,#6766,#6789,#6813,#6511,#6381,#6771,#6776,#6743,#6751,#6737,#6826,#6788,#6698,#6808,#6480,#6933,#6991,#7011,#7080,#7171,#7168,#7104)
• Support checkpoint for resumable sync (#6755,#6852,#6905,#6877,#6892,#6872,#6870,#6839,#6950,#6958,#6959,#7046,#7076,#7071)
• Support metadata operation changelog (#6777,#6942,#6951,#6956,#6979,#7023,#7029)

New

• Support hadoop kerberos (#6445, #6644, #6970)
• windows: improved stability and compatibility (#6662,#6651,#6645,#6643,#6642,#6641,#6634,#6547,#6907,#6976,#7033)
• cmd/rmr: support batch unlink (#6553,#6581,#6618,#6537,#6457,#6564,#6603,#6609,#6610,#6647)
• cmd/clone: support batch clone (#6656,#6695,#6828,#6779,#6650,#6922,#6715,#6938)
• meta/redis: support client-side caching (#6495,#6857,#7015,#7021)
• meta: support trash realtime statistics (#6818,#6838,#6899,#6901)
• cache: support LRU cache (#6271)
• cmd/sync: support encryption/decryption (#6806,#6834,#6955,#6947,#7092)
• cmd/sync: support global traffic control (#6626)
• Support SM encryption for format and data at rest (#6419, #6414)
• Support end-to-end context cancellation (#6312, #6516, #6382, #6383, #6377, #6379, #6567, #6565, #6598, #6582, #6397, #6499, #6524, #6590, #6410, #6477, #6927)
• object: support cifs/smb (#6368, #6712, #6702, #6949)
• object: support native Storj object storage via storj.io/uplink (#6763,#6929,#6996,#7081)
• vfs: add support to skip trash if s attribute is set (#6359)
• cmd/fsck: support check data by path (#6475)
• cmd/fsck: add repair-dir-mode option to specify directories mode (#6561)
• cmd/mount: add max-downloads option to limit concurrent get for object storage (#6472)
• cmd/mount: add writeback-threshold-size option to filter blocks for writeback (#6447)
• cmd/mount: add fuse option ReadDirPlusAuto for automatic readdir optimization (#6299)
• cmd/mount: add network-interfaces option for IP discovery configuration (#6392)
• cmd/mount: add hide-internal option (#6307,#6911)
• cmd/mount: add META_PASSWORD_FILE env to read metadata engine password from file (#6438)
• cmd/gateway: add --bucket-name option for using custom bucket names (#6741)
• cmd: add mountpoint option to improve symlink resolution for absolute paths (#6228)
• sdk/java: support multiple subdir for hadoop-sdk (#6608)
• sdk/java: add max-downloads configuration option (#6679)
• sdk/java: add startTime option for nnbench (#6757)
• sdk/java: add support for sending metrics via Prometheus remote_write protocol (#6296)
• object: allow unordered list in fsck/backup/gc/destroy commands (#6389)
• object: add support for enabling/disabling default CRC checksum via query parameters (#6239,#6232)
• object/jfs: support upload-part stream API (#7123, #7124, #7163)
• object/azure: add managed identity authentication support (#6424)
• metrics: add metadata background jobs metrics (#6544, #6660)
• metrics: add subdir mount configuration metric (#6592)

Changed

• meta: commit new chunks in write order (#7016)
• meta: speed up background trash cleanup job (#6602)
• meta/badger: improve reliability and resource management (

Note truncated.

This is the first release candidate for JuiceFS v1.4. Since beta2 it has 50 commits from 9 contributors, thanks to @jiefenghuang @zhijian-pro @Xuyuchao-juice @zxh326 @YunhuiChen @polyrabbit @simpleqin @JoyLiuc @solracsf

New

• tier: support custom tags in tier configuration (#7099)
• object/jfs: support upload-part stream API (#7123, #7124, #7163)

Changed

• meta: avoid creating massive tkv tombstones for quota keys that were never set (#7142)
• meta/tkv: batch get quota key to reduce one rpc (#7171)
• meta/sql: change setting.Value from varchar(4096) to text (#7152)
• cmd/sync: enhance symlink handling (#7030) (#7121)
• object: add API to check whether a storage is supported (#6559) (#7115)
• object: add object.Sys() interface (#6825) (#7118)
• object/ceph: add env JFS_OBJECT_NO_ORDER for faster listing (#7119, #7122)
• utils: export LogHandle (#7005) (#7120)

Bug Fixes

• meta: fix escaping when the original string contains spaces (#7159)
• meta/sql: avoid premature delfile marker removal (#7093)
• meta/sql: retry transaction for serialization failure (#7128, #7180)
• meta/redis: fix duplicative prefix and loop counter (#7154)
• meta: fix quota compatibility across dump/load (#7168)
• meta: fix sustained inode accounting in volume stats (#7104)
• meta: fix quota race (#7181)
• meta/badger: run simpleTxn as read-only transaction (#7173)
• cmd/mount: fix FUSE fd leaking into child process (#7162, #7161)
• cmd/sync: fix decrypting small non-encrypted files (#7092)
• cmd/sync: improve sync log (#6623) (#7116)
• cmd/sync: improve usage description for update flag (#7169)
• object/oss: avoid passing empty token (#6446) (#7114)
• object/ceph: remove the check of JFS_NO_CHECK_OBJECT_STORAGE env (#6742) (#7117)
• object: nil-guard pointer fields in S3-family responses (#7133)
• object: add context parameter to Head method in DefaultObjectStorage (#7140)
• object: fix S3 configuration with default checksum options (#7172)
• sdk/java: convert delegation token issue/max timestamps to milliseconds in getDelegationToken (#7113)