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.)

v2.48: Repository Storage Tags

Bug Fixes:

• Fix issue restoring block incremental without a block list. (Reviewed by Stephen Frost, Burak Yurdakul. Reported by Burak Yurdakul.)

Features:

• Add --repo-storage-tag option to create object tags. (Reviewed by Stephen Frost, Stefan Fercot, Timothée Peignier.)
• Add known hosts checking for SFTP storage driver. (Contributed by Reid Thompson. Reviewed by Stephen Frost, David Steele.)
• Support for dual stack connections. (Reviewed by Stephen Frost.)
• Add backup size completed/total to info command JSON output. (Contributed by Stefan Fercot. Reviewed by David Steele.)

Improvements:

• Multi-stanza check command. (Reviewed by Stephen Frost.)
• Retry reads of pg_control until checksum is valid. (Reviewed by Stefan Fercot, Stephen Frost.)
• Optimize WAL segment check after successful backup. (Reviewed by Stephen Frost.)
• Improve GCS multi-part performance. (Reviewed by Reid Thompson.)
• Allow archive-get command to run when stanza is stopped. (Reviewed by Tom Swartz, David Christensen, Reid Thompson.)
• Accept leading tilde in paths for SFTP public/private keys. (Contributed by Reid Thompson. Reviewed by David Steele.)
• Reload GCS credentials before renewing authentication token. (Reviewed by Stephen Frost. Suggested by Daniel Farina.)

Documentation Bug Fixes:

• Fix configuration reference example for the tls-server-address option. (Fixed by Hartmut Goebel. Reviewed by David Steele.)
• Fix command reference example for the filter option.

Test Suite Improvements:

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

v2.47: Performance Improvements and Bug Fixes

Bug Fixes:

• Preserve block incremental info in manifest during delta backup. (Reviewed by Stephen Frost. Reported by Francisco Miguel Biete Banon.)
• Fix block incremental file names in verify command. (Reviewed by Reid Thompson. Reported by Francisco Miguel Biete Banon.)
• Fix spurious automatic delta backup on backup from standby. (Reviewed by Stephen Frost. Reported by krmozejko, Don Seiler.)
• Skip recovery.signal for PostgreSQL >= 12 when recovery type=none. (Reviewed by Stefan Fercot. Reported by T.Anastacio.)
• Fix unique label generation for diff/incr backup. (Fixed by Andrey Sokolov. Reviewed by David Steele.)
• Fix time-based archive expiration when no backups are expired. (Reviewed by Stefan Fercot.)

Improvements:

• Improve performance of SFTP storage driver. (Contributed by Stephen Frost, Reid Thompson. Reviewed by David Steele.)
• Add timezone offset to info command date/time output. (Reviewed by Stefan Fercot, Philip Hurst. Suggested by Philip Hurst.)
• Centralize error handling for unsupported features. (Reviewed by Stefan Fercot.)

Documentation Improvements:

• Clarify preference to install from packages in the user guide. (Reviewed by Stefan Fercot. Suggested by dr-kd.)

v2.46: Block Incremental Backup and SFTP Storage

Features:

• Block incremental backup. (Reviewed by John Morris, Stephen Frost, Stefan Fercot.)
• SFTP support for repository storage. (Contributed by Reid Thompson. Reviewed by Stephen Frost, David Steele.)
• PostgreSQL 16 support. (Reviewed by Stefan Fercot.)

Improvements:

• Allow page header checks to be skipped. (Reviewed by David Christensen. Suggested by David Christensen.)
• Avoid chown() on recovery files during restore. (Reviewed by Stefan Fercot, Marcelo Henrique Neppel. Suggested by Marcelo Henrique Neppel.)
• Add error retry detail for HTTP retries.

Documentation Improvements:

• Add warning about using recovery type=none. (Reviewed by Stefan Fercot.)
• Add note about running stanza-create on already-created repositories.

v2.45: Block Incremental Backup (BETA)

Bug Fixes:

• Skip writing recovery.signal by default for restores of offline backups. (Reviewed by Stefan Fercot. Reported by Marcel Borger.)

Features:

• Block incremental backup (BETA). (Reviewed by John Morris, Stephen Frost, Stefan Fercot.)

Improvements:

• Keep only one all-default group index. (Reviewed by Stefan Fercot.)

Documentation Improvements:

• Add explicit instructions for upgrading between 2.x versions. (Contributed by Christophe Courtois. Reviewed by David Steele.)
• Remove references to SSH made obsolete when TLS was introduced.

v2.44: Remove PostgreSQL 9.0/9.1/9.2 Support

Improvements:

• Remove support for PostgreSQL 9.0/9.1/9.2. (Reviewed by Stefan Fercot.)
• Restore errors when no backup matches the current version of PostgreSQL. (Contributed by Stefan Fercot. Reviewed by David Steele. Suggested by Soulou.)
• Add compress-level range checking for each compress-type. (Reviewed by Stefan Fercot. Suggested by gkleen, ViperRu.)

Documentation Improvements:

• Add warning about enabling "hierarchical namespace" on Azure storage. (Reviewed by Stefan Fercot. Suggested by Vojtech Galda, Pluggi, asjonos.)
• Add replacement for linefeeds in monitoring example. (Reviewed by Stefan Fercot. Suggested by rudonx, gmustdie, Ivan Shelestov.)
• Clarify target-action behavior on various PostgreSQL versions. (Contributed by Chris Bandy. Reviewed by David Steele, Anton Kurochkin, Stefan Fercot. Suggested by Anton Kurochkin, Chris Bandy.)
• Updates and clarifications to index page. (Reviewed by Stefan Fercot.)
• Add dark mode to the website. (Suggested by Stephen Frost.)

v2.43: Bug Fix

Bug Fixes:

• Fix missing reference in diff/incr backup. (Reviewed by Stefan Fercot. Reported by Marcel Borger, ulfedf, jaymefSO.)

Improvements:

• Add hint when an option is specified without an index. (Reviewed by Stefan Fercot.)