v2.54.2: Bug Fix

Bug Fixes:

• Fix issue after disabling bundling with block incremental enabled. (Reviewed by David Christensen.)

Documentation Improvements:

• Clarify behavior of multiple configuration files. (Reviewed by Paul Bierly. Suggested by Paul Bierly.)

v2.54.1: Bug Fix

Bug Fixes:

• Fix issue with version/help commands attempting to load pgbackrest.conf. (Reviewed by Stefan Fercot. Reported by Bradford Boyle, Julian.)

Test Suite Improvements:

• Stabilize async archiving in integration tests. (Contributed by Viktor Kurilko. Reviewed by David Steele.)

v2.54.0: Target Time for Versioned Storage

NOTE TO PACKAGERS: This is last feature release to support the autoconf/make build. Please migrate to meson if you have not already done so. 2.54.X patch releases (if any) will continue to support autoconf/make.

Bug Fixes:

• Fix PostgreSQL query performance for large datasets. (Fixed by Thibault Vincent, David Steele. Reviewed by David Christensen, Antoine Millet. Reported by Antoine Millet.)

Features:

• Allow repositories on versioned storage to be read at a target time. (Reviewed by Stefan Fercot, David Christensen.)
• Allow requested standby backup to proceed with no standby. (Reviewed by Stefan Fercot.)

Improvements:

• Summarize backup reference list for info command text output. (Contributed by Stefan Fercot. Reviewed by David Steele.)
• Refresh web-id token for each S3 authentication. (Contributed by Brent Graveland. Reviewed by David Steele.)
• Correctly display current values for indexed options in help. (Reviewed by David Christensen.)
• Save backup.info only when contents have changed. (Reviewed by Stefan Fercot.)
• Remove limitation on reading files in parallel during restore. (Reviewed by David Christensen.)
• Improve SFTP error messages. (Contributed by Reid Thompson. Reviewed by David Steele.)

Documentation Features:

• Add performance tuning section to user guide. (Reviewed by Stefan Fercot.)

Documentation Improvements:

• Clarify source for data_directory. (Contributed by Stefan Fercot. Reviewed by David Steele. Suggested by Matthias.)
• Better logic for deciding when a summary should be lower-cased. (Suggested by Daniel Westermann.)

v2.53.1: PostgreSQL 17beta3 Support

Bug Fixes:

• Fix permissions when restore run as root user. (Reviewed by Stefan Fercot. Reported by Will M.)
• Fix segfault on delayed connection errors. (Reviewed by David Christensen. Reported by Anton Glushakov.)
• Skip local repository duplicate check for SFTP. (Fixed by Reid Thompson. Reviewed by David Steele. Reported by Anton Kurochkin.)

Improvements:

• PostgreSQL 17beta3 support.

v2.53: Concurrent Backups

IMPORTANT NOTE: The log-level-stderr option default has been changed from warn to off. This makes it easier to capture errors when only redirecting stdout. To preserve the prior behavior set log-level-stderr=warn.

NOTE TO PACKAGERS: The lz4 library is now required by the meson build.

NOTE TO PACKAGERS: Compiler support for __builtin_clzl() and __builtin_bswap64() is now required by the meson build.

Bug Fixes:

• Fix SFTP renaming failure when file already exists. (Fixed by Reid Thompson. Reviewed by David Steele. Reported by ahmed112212.)

Features:

• Allow backups to run concurrently on different repositories. (Reviewed by Reid Thompson, Stefan Fercot.)
• Support IP-based SANs for TLS certificate validation. (Contributed by David Christensen. Reviewed by David Steele.)

Improvements:

• Default log-level-stderr option to off. (Reviewed by Greg Sabino Mullane, Stefan Fercot.)
• Allow alternative WAL segment sizes for PostgreSQL ≤ 10. (Contributed by Viktor Kurilko. Reviewed by David Steele.)
• Add hint to check SFTP authorization log. (Contributed by Vitalii Zurian. Reviewed by Reid Thompson, David Steele.)

Documentation Improvements:

• Clarify archive-push multi-repo behavior. (Reviewed by Stefan Fercot.)

v2.52.1: Bug Fix

Bug Fixes:

• Fix issue with files larger on the replica than on the primary. (Reviewed by Stefan Fercot. Reported by Nicolas Lassimonne.)

v2.52: PostgreSQL 17 Support

NOTE TO PACKAGERS: The build system for pgBackRest is now meson. The autoconf/make build will not receive any new features and will be removed after a few releases.

Features:

• Add GCS batch delete support. (Reviewed by Reid Thompson.)
• S3 SSE-C encryption support. (Reviewed by Tim Jones. Suggested by Tim Jones.)
• PostgreSQL 17 support. (Reviewed by Stefan Fercot.)

Improvements:

• Allow explicit disabling of optional dependencies in meson builds. (Contributed by Michael Schout. Reviewed by David Steele.)
• Dynamically find python in meson build. (Contributed by Michael Schout. Reviewed by David Steele.)
• Tag pgbackrest build target in meson as installable. (Contributed by Bradford Boyle. Reviewed by David Steele.)

Documentation Improvements:

• Update start/stop documentation to reflect actual functionality. (Reviewed by Stefan Fercot.)

v2.51: Meson Build System

Bug Fixes:

• Skip zero-length files for block incremental delta restore. (Reviewed by Sebastian Krause, René Højbjerg Larsen. Reported by Sebastian Krause.)
• Fix performance regression in storage list. (Reviewed by Stephen Frost. Reported by Maksym Boguk.)
• Fix progress logging when file size changes during backup. (Reviewed by Stephen Frost. Reported by samkingno.)

Improvements:

• Improved support for dual stack connections. (Reviewed by Stephen Frost. Suggested by Timothée Peignier.)
• Make meson the primary build system. (Reviewed by Stephen Frost.)
• Detect files that have not changed during non-delta incremental backup. (Reviewed by Stephen Frost.)
• Prevent invalid recovery when backup_label removed. (Reviewed by Stephen Frost.)
• Improve archive-push WAL segment queue handling. (Reviewed by Stephen Frost.)
• Limit resume functionality to full backups. (Reviewed by Stephen Frost, Stefan Fercot.)
• Update resume functionality for block incremental. (Reviewed by Stephen Frost.)
• Allow --version and --help for version and help. (Reviewed by Greg Sabino Mullane. Suggested by Greg Sabino Mullane.)
• Add detailed backtrace to autoconf/make build. (Reviewed by Stephen Frost.)

Documentation Improvements:

• Update references to recovery.conf. (Reviewed by Stefan Fercot. Suggested by Stephen Frost.)

v2.50: Performance Improvements and Bug Fixes

Bug Fixes:

• Fix short read in block incremental restore. (Reviewed by Stephen Frost, Brent Graveland. Reported by Adol Rodriguez, Brent Graveland.)
• Fix overflow suppressing backup progress in info output. (Fixed by Robert Donovan. Reviewed by Joe Wildish.)

Improvements:

• Preserve partial files during block incremental delta restore. (Reviewed by Stephen Frost.)
• Add support for alternate compile-time page sizes. (Contributed by Viktor Kurilko. Reviewed by David Steele.)
• Skip files truncated during backup when bundling. (Contributed by Georgy Shelkovy. Reviewed by David Steele.)
• Improve SFTP storage error messages. (Contributed by Reid Thompson. Reviewed by David Steele.)

v2.49: Remove PostgreSQL 9.3 Support

Bug Fixes:

• Fix regression in retries. (Reviewed by Stephen Frost. Reported by Norman Adkins, Tanel Suurhans, Jordan English, Timothée Peignier.)
• Fix recursive path remove in SFTP storage driver. (Fixed by Reid Thompson. Reviewed by Stephen Frost. Reported by Luc.)

Improvements:

• Remove support for PostgreSQL 9.3. (Reviewed by Stephen Frost.)

Documentation Features:

• Document maintainer options. (Reviewed by Stefan Fercot.)
• Update point-in-time recovery documentation for PostgreSQL >= 13.

Test Suite Improvements:

• Allow config/load unit test to run without libssh2 installed. (Contributed by Reid Thompson. Reviewed by David Steele. Suggested by Wu Ning.)