Release Icinga DB Version 1.4.0

CHANGELOG.md

@@ -1,5 +1,44 @@
 # Icinga DB Changelog
 
+## 1.4.0 (2025-06-18)
+
+This Icinga DB release introduces support for Icinga 2 dependencies, continues to retry certain long-persisting errors, and tweaks the logging.
+
+Other changes and bug fixes were made as well.
+The most notable changes are as follows.
+
+* Synchronize Icinga 2 dependencies to Icinga DB for visualization in Icinga DB Web. #889
+* Do not time out when reconnecting to the database or Redis®[\*](doc/TRADEMARKS.md#redis) if a connection was previously established. #960, icinga-go-library#131
+* Instead of a stack trace, abort `icingadb` on expected fatal errors with a descriptive log message. #944
+* When logging to journald, include errors in the log message as well as in the journald fields. icinga-go-library#126
+* Rework log levels and include more context for debugging. #940, #944, icinga-go-library#124
+* Ensure consistency between data written to Redis® and the database by getting rid of unnecessary value mapping. #964
+* Fix bugs in the `icingadb-migrate` utility and ensure compatibility with MariaDB ≥11.7. #957, #959, #975, #976
+* Improve the documentation, including new sections on container installation and operations. #939, #942, #948, #950, #951, #981, #983
+
+### Requirements
+
+Version 1.4.0 of Icinga DB is released alongside Icinga 2.15.0 and Icinga DB Web 1.2.0.
+Since this Icinga DB release requires Icinga 2.15.0 or later, please install these updates together.
+
+The required minimum versions of the MySQL/MariaDB server has increased:
+
+* MySQL must be version 8.0 or later.
+* MariaDB must be version 10.2.2 or later.
+
+More information is available in the [upgrading documentation](doc/04-Upgrading.md#upgrading-to-icinga-db-v140).
+
+### Schema
+
+The `1.4.0.sql` schema upgrade is available and must be applied.
+Please follow the [schema upgrade documentation](doc/04-Upgrading.md#database-schema-upgrades).
+
+### SELinux Packages
+
+With this Icinga DB release, two new SELinux packages are now available for Amazon Linux, Fedora, RHEL, OpenSUSE, and SLES.
+The new `icingadb-selinux` and `icingadb-redis-selinux` packages contain SELinux policies to be used for Icinga DB and Icinga DB Redis®, respectively.
+If you are using SELinux with one of the listed distributions, please consider installing these packages.
+
 ## 1.3.0 (2025-04-03)
 
 This is a maintenance release, integrating the container setup directly into Icinga DB.
@@ -10,8 +49,8 @@ With these two features, the [docker-icingadb](https://github.com/Icinga/docker-
 
 For Docker users of Icinga DB, the following has changed.
 
-- Container images are now pushed to both the [GitHub Container Registry (GHCR)](https://github.com/icinga/icingadb/pkgs/container/icingadb) and [Docker Hub](https://hub.docker.com/r/icinga/icingadb).
-- Development images built from the `main` branch are no longer tagged as `main`, but now as `edge`.
+* Container images are now pushed to both the [GitHub Container Registry (GHCR)](https://github.com/icinga/icingadb/pkgs/container/icingadb) and [Docker Hub](https://hub.docker.com/r/icinga/icingadb).
+* Development images built from the `main` branch are no longer tagged as `main`, but now as `edge`.
 
 The changes are as follows.
 

doc/02-Installation.md

@@ -39,7 +39,7 @@ or install [from source](02-Installation.md.d/From-Source.md).
 
 ## Setting up the Database
 
-A MySQL (≥5.5), MariaDB (≥10.1), or PostgreSQL (≥9.6) database is required to run Icinga DB.
+A MySQL (≥8.0), MariaDB (≥10.2.2), or PostgreSQL (≥9.6) database is required to run Icinga DB.
 Please follow the steps listed for your target database,
 which guide you through setting up the database and user and importing the schema.
 
@@ -51,14 +51,6 @@ which guide you through setting up the database and user and importing the schem
 
 ### Setting up a MySQL or MariaDB Database
 
-If you use a version of MySQL < 5.7 or MariaDB < 10.2, the following server options must be set:
-
-```
-innodb_file_format=barracuda
-innodb_file_per_table=1
-innodb_large_prefix=1
-```
-
 Set up a MySQL database for Icinga DB:
 
 ```

doc/04-Upgrading.md

@@ -40,6 +40,26 @@ Afterwards, restart Icinga DB. If you have an HA setup, restart all Icinga DB in
 systemctl start icingadb
 ```
 
+## Upgrading to Icinga DB v1.4.0
+
+### Requirements
+
+Version 1.4.0 of Icinga DB is released alongside Icinga 2.15.0 and Icinga DB Web 1.2.0. A change to the internal
+communication API requires these updates to be applied together. To put it simply, Icinga DB 1.4.0 needs Icinga 2.15.0
+or later.
+
+The minimum required versions of the MySQL/MariaDB server is increased to support Recursive Common Table Expressions.
+Technical information is available in [#947](https://github.com/Icinga/icingadb/issues/947).
+
+* MySQL must be version 8.0 or later.
+* MariaDB must be version 10.2.2 or later.
+
+Ensure that the new requirements are met before updating Icinga DB.
+
+### Schema
+
+The upgrade script `1.4.0.sql` must be applied as described in the [schema upgrade section](#database-schema-upgrades).
+
 ## Upgrading to Icinga DB v1.2.1
 
 Please apply the `1.2.1.sql` upgrade script to your database. For package installations, you can find this file at

internal/version.go

@@ -7,4 +7,4 @@ import (
 // Version contains version and Git commit information.
 //
 // The placeholders are replaced on `git archive` using the `export-subst` attribute.
-var Version = version.Version("1.3.0", "$Format:%(describe)$", "$Format:%H$")
+var Version = version.Version("1.4.0", "$Format:%(describe)$", "$Format:%H$")