Merge branch '7.2'

# Conflicts:
#	.github/workflows/auto-mysql56-tests.yml
#	.github/workflows/auto-pgsql100-tests.yml
#	.github/workflows/auto-pgsql91-tests.yml
#	.github/workflows/auto-pgsql92-tests.yml
#	.github/workflows/auto-pgsql96-tests.yml
#	Orm/Xtensive.Orm.Firebird/Sql.Drivers.Firebird/v2_5/Extractor.cs
#	Orm/Xtensive.Orm.Firebird/Sql.Drivers.Firebird/v4_0/Extractor.cs
#	Orm/Xtensive.Orm.SqlServer/Sql.Drivers.SqlServer/v09/Extractor.cs
#	Orm/Xtensive.Orm.Tests.Core/Helpers/TopologicalSorterTest.cs
#	Orm/Xtensive.Orm.Tests.Core/Linq/SerializableExpressionsTest.cs
#	Orm/Xtensive.Orm.Tests.Framework/Orm.config
#	Orm/Xtensive.Orm.Tests/Interfaces/UnusedTypeRemovalTest.cs
#	Orm/Xtensive.Orm.Tests/Issues/IssueJira0197_ExtendedErrorInformation.cs
#	Orm/Xtensive.Orm.Tests/Linq/CustomExpressionCompilers.cs
#	Orm/Xtensive.Orm.Tests/Upgrade/GeneratorUpgrade/MultidatabaseTest.cs
#	Orm/Xtensive.Orm.Tests/Upgrade/GeneratorUpgrade/MultischemaTest.cs
#	Orm/Xtensive.Orm.Tests/Upgrade/GeneratorUpgrade/SimpleSchemaTest.cs
#	Orm/Xtensive.Orm/IoC/ServiceContainer.cs
#	Orm/Xtensive.Orm/Orm/Transaction.cs
#	Orm/Xtensive.Orm/Orm/Upgrade/Internals/DomainModelConverter.cs
#	Version.props

Author: alex-kulakov

.github/workflows/auto-firebird5-tests.yml

@@ -153,7 +153,7 @@ jobs:
     name: Tests on Firebird 5
     strategy:
       matrix:
-        net: [ 'net6.0', 'net7.0', 'net8.0' ]
+        net: [ 'net8.0' ]
     # For security reasons we allow test runs either for pushes from the team or for pull-requests after their changes were seen and approved by someone
     #
     # push filter - to cover pushes from the team to main branch of major version

.github/workflows/auto-mssql2019-tests.yml

@@ -144,7 +144,7 @@ jobs:
     name: Tests on MS SQL Server 2019
     strategy:
       matrix:
-        net: [ 'net6.0', 'net7.0', 'net8.0' ]
+        net: [ 'net6.0', 'net8.0' ] # only LTS
     # For security reasons we allow test runs either for pushes from the team or for pull-requests after their changes were seen and approved by someone
     #
     # push filter - to cover pushes from the team to main branch of major version

.github/workflows/auto-mysql57-tests.yml

@@ -150,7 +150,7 @@ jobs:
     name: Tests on MySQL 5.7
     strategy:
       matrix:
-        net: [ 'net6.0', 'net7.0', 'net8.0' ]
+        net: [ 'net6.0', 'net8.0' ] # only LTS
     # For security reasons we allow test runs either for pushes from the team or for pull-requests after their changes were seen and approved by someone
     #
     # push filter - to cover pushes from the team to main branch of major version

.github/workflows/auto-mysql80-tests.yml

@@ -153,7 +153,7 @@ jobs:
     name: Tests on MySQL 8.0
     strategy:
       matrix:
-        net: [ 'net6.0', 'net7.0', 'net8.0' ]
+        net: [ 'net6.0', 'net8.0' ] # only LTS
     # For security reasons we allow test runs either for pushes from the team or for pull-requests after their changes were seen and approved by someone
     #
     # push filter - to cover pushes from the team to main branch of major version

.github/workflows/auto-mysql90-tests.yml

@@ -153,7 +153,7 @@ jobs:
     name: Tests on MySQL 9.0
     strategy:
       matrix:
-        net: [ 'net6.0', 'net7.0', 'net8.0' ]
+        net: [ 'net6.0', 'net8.0' ] # only LTS
     # For security reasons we allow test runs either for pushes from the team or for pull-requests after their changes were seen and approved by someone
     #
     # push filter - to cover pushes from the team to main branch of major version

.github/workflows/auto-pgsql140-tests.yml

@@ -144,7 +144,7 @@ jobs:
     name: Tests on PostgreSQL 14.0
     strategy:
       matrix:
-        net: [ 'net6.0', 'net7.0', 'net8.0' ]
+        net: [ 'net6.0', 'net8.0' ] # only LTS
     # For security reasons we allow test runs either for pushes from the team or for pull-requests after their changes were seen and approved by someone
     #
     # push filter - to cover pushes from the team to main branch of major version

.github/workflows/auto-pgsql170-tests.yml

@@ -153,7 +153,7 @@ jobs:
     name: Tests on PostgreSQL 17.0
     strategy:
       matrix:
-        net: [ 'net6.0', 'net7.0', 'net8.0' ]
+        net: [ 'net6.0', 'net8.0' ] # only LTS
     # For security reasons we allow test runs either for pushes from the team or for pull-requests after their changes were seen and approved by someone
     #
     # push filter - to cover pushes from the team to main branch of major version

.github/workflows/auto-sqlite3-tests.yml

@@ -142,7 +142,7 @@ jobs:
     name: Tests on SQLite 3
     strategy:
       matrix:
-        net: [ 'net6.0', 'net7.0', 'net8.0' ]
+        net: [ 'net6.0', 'net8.0' ] # only LTS
     # For security reasons we allow test runs either for pushes from the team or for pull-requests after their changes were seen and approved by someone
     #
     # push filter - to cover pushes from the team to main branch of major version

ChangeLog/7.2.1-Z_Final.txt

@@ -0,0 +1,10 @@
+[main] Added Query.SingleAsync()/SingleOrDefaultAsync and QueryEndpoint.SingleAsync()/SingleOrDefaultAsync methods
+[main] Addressed issue of not disposing IAsyncEnumerator which caused query being open
+[main] Addressed issue of overwriting exception on attempt to rollback the transaction of Domain upgrade if commit operation failed
+[main] LeftJoin extension marked as Obsolete to prepare movement to .NET 10, LeftJoinEx provided as substitution
+[main] IPriorityQueue interface became Obsolete
+[main] EnumerableUtils.One() marked as Obsolete
+[main] Performance and memory usage improvements
+[main] Fixed certain issues connected with SerializableExpressions deserialization
+[postgresql] Update Npgsql to 9.0.4
+[weaver] Updated Mono.Cecil package to v0.11.6, which resolves certain issues of unsynced pdb files

Extensions/Xtensive.Orm.Localization/Configuration/LocalizationConfiguration.cs

@@ -140,7 +140,7 @@ private static LocalizationConfiguration GetConfigurationFromSection(Configurati
     /// <returns>Loaded configuration or default configuration if loading failed for some reason.</returns>
     public static LocalizationConfiguration Load(IConfiguration configuration, string sectionName = null)
     {
-      ArgumentValidator.EnsureArgumentNotNull(configuration, nameof(configuration));
+      ArgumentNullException.ThrowIfNull(configuration);
 
       if (configuration is IConfigurationRoot configurationRoot) {
         return new LocalizationConfigurationReader().Read(configurationRoot, sectionName ?? DefaultSectionName);
@@ -161,7 +161,7 @@ public static LocalizationConfiguration Load(IConfiguration configuration, strin
     /// <returns>Loaded configuration or default configuration if loading failed for some reason.</returns>
     public static LocalizationConfiguration Load(IConfigurationSection configurationSection)
     {
-      ArgumentValidator.EnsureArgumentNotNull(configurationSection, nameof(configurationSection));
+      ArgumentNullException.ThrowIfNull(configurationSection);
 
       return new LocalizationConfigurationReader().Read(configurationSection);
     }
@@ -175,7 +175,7 @@ public static LocalizationConfiguration Load(IConfigurationSection configuration
     /// <returns>Loaded configuration or default configuration if loading failed for some reason.</returns>
     public static LocalizationConfiguration Load(IConfigurationRoot configurationRoot, string sectionName = null)
     {
-      ArgumentValidator.EnsureArgumentNotNull(configurationRoot, nameof(configurationRoot));
+      ArgumentNullException.ThrowIfNull(configurationRoot);
 
       return new LocalizationConfigurationReader().Read(configurationRoot, sectionName ?? DefaultSectionName);
     }