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6.2.1 regression: WHERE clause applied only to first UNION ALL operand, if itself inside another UNION ALL

status: needs-testsrequires tests in test project (e.g. copied from issue description)requires tests in test project (e.g. copied from issue description)

Status: Open.

Bug

#5447 In linq2db/linq2db;

· thomas-hori opened on Mar 27, 2026

Null checks optimization results in wrong query

status: needs-testsrequires tests in test project (e.g. copied from issue description)requires tests in test project (e.g. copied from issue description)

Status: Open.

Bug

#5445 In linq2db/linq2db;

· arthur-suleimanov opened on Mar 24, 2026

TableHint is does not add space when adding hint to clickhouse

status: needs-testsrequires tests in test project (e.g. copied from issue description)requires tests in test project (e.g. copied from issue description)

Status: Open.

Bug

#5444 In linq2db/linq2db;

· DevDrake opened on Mar 24, 2026

Regression v6: bad translation of DateTimeOffset.Now

status: needs-testsrequires tests in test project (e.g. copied from issue description)requires tests in test project (e.g. copied from issue description)

Status: Open.

Bug

#5436 In linq2db/linq2db;

· jods4 opened on Mar 19, 2026

Regression v6: can't sort on DateTimeOffset.DateTime property

status: needs-testsrequires tests in test project (e.g. copied from issue description)requires tests in test project (e.g. copied from issue description)

Status: Open.

Bug

#5435 In linq2db/linq2db;

· jods4 opened on Mar 19, 2026

Regression: BulkCopy is inserting Guid.Empty instead of NULL value to database

area: efcore

status: has-prThere is active PR for issueThere is active PR for issue

Status: Open.

Bug

#5427 In linq2db/linq2db;

· IT-CASADO opened on Mar 17, 2026

·  

6.3.0

Investigate adding Oracle23SqlBuilder with updated flags

Status: Open.

Feature

#5425 In linq2db/linq2db;

· to11mtm opened on Mar 15, 2026

Make it easier/possible to write Clean Paramaterized SelectQuerys/AsQueryables.

Status: Open.

Feature

#5424 In linq2db/linq2db;

· to11mtm opened on Mar 15, 2026

Subquery in update issues (v6 regression)

status: has-tests

Status: Open.

Bug

#5413 In linq2db/linq2db;

· jods4 opened on Mar 11, 2026

·  

6.3.0

Complex Query with different result on Linq2Db V5.x vs V6.2

status: needs-testsrequires tests in test project (e.g. copied from issue description)requires tests in test project (e.g. copied from issue description)

Status: Open.

Bug

#5404 In linq2db/linq2db;

· jogibear9988 opened on Mar 9, 2026

·  

6.3.0

Migrate raw SQL queries in SchemaProvider implementations to LINQ queries

Status: Open.

Task

#5403 In linq2db/linq2db;

· MaceWindu opened on Mar 5, 2026

·  

6.3.0

Emulate Lateral/Apply join support for Sqlite (or other providers)

Status: Open.

Feature

#5396 In linq2db/linq2db;

· jogibear9988 opened on Mar 4, 2026