8.0.0-preview1

Issues

• Fix async cancellation failing to send TDS attention signal

  Author attention needed
  Unread
  dotnet/SqlClient#4435·cheenamalhotra opened Jul 9, 2026 · Updated Sep 30, 2026
  64

  

• Async cancellation sends no attention signal once the server has flushed an info message (RAISERROR ... WITH NOWAIT)

  Area\AsyncRepro Available ✔️
  Bug

  dotnet/SqlClient#4424 · Filter by author akley opened on Jul 3, 2026 · 8.0.0-preview1
  2

  

• SqlDataReader async read throws inconsistent exception types on disposal (IOException vs InvalidOperationException)

  Public API 🆕
  Bug

  dotnet/SqlClient#4088 · Filter by author paulmedynski opened on Mar 25, 2026 · 8.0.0-preview1
  2

• Perf | Reduce allocations in Always Encrypted key handling, reorganise

  Performance 📈
  Unread
  dotnet/SqlClient#4256·edwardneal opened May 3, 2026 · Updated Oct 7, 2026
  62

  

• Expose SqlBatch commands on the command diagnostic payloads

  Public API 🆕
  Unread
  dotnet/SqlClient#4577·PetarJerinic opened Aug 22, 2026 · Updated Sep 18, 2026·Draft
  9

  

• Use the async Always Encrypted key store APIs on async execution paths

  Unread
  dotnet/SqlClient#4585·cheenamalhotra opened Aug 24, 2026 · Updated Aug 24, 2026·Draft
  11

• Improve connection pool failure diagnostics

  Unread
  dotnet/SqlClient#4590·mdaigle opened Aug 24, 2026 · Updated Oct 7, 2026·Draft
  13

• Harden UDT assembly loading against server-supplied assembly names

  Unread
  dotnet/SqlClient#4591·cheenamalhotra opened Aug 24, 2026 · Updated Sep 29, 2026·Draft
  60

• Modern PR pipeline does not exercise managed SNI for Unit/Functional tests

  Area\Engineering
  Task

  dotnet/SqlClient#4605 · Filter by author paulmedynski opened on Aug 27, 2026 · 8.0.0-preview1
  1

• Fix WaitHandle replacement activation rollback

  Unread
  dotnet/SqlClient#4549·mdaigle opened Aug 18, 2026 · Updated Aug 27, 2026·Draft
  10

  

• Perf Tests | Default Config File

  Area\Engineering
  Unread
  dotnet/SqlClient#4606·benrr101 opened Aug 27, 2026 · Updated Oct 8, 2026
  11

  

• Address review follow-ups on the async enclave attestation gate

  Unread
  dotnet/SqlClient#4621·cheenamalhotra opened Sep 1, 2026 · Updated Oct 8, 2026
  21

  

• Add symbol verification to OneBranch pipelines

  Area\Engineering
  Unread
  dotnet/SqlClient#4073·paulmedynski opened Mar 23, 2026 · Updated Sep 1, 2026·Draft
  49

• Redesign configurable retry logic assembly loading (dedicated ALC and/or explicit registration API)

  Area\Engineering
  Feature

  dotnet/SqlClient#4623 · Filter by author priyankatiwari08 opened on Sep 2, 2026 · 8.0.0-preview1
  3

  

• Add vector(float16) support

  Area\Vector
  Unread
  dotnet/SqlClient#4501·apoorvdeshmukh opened Aug 4, 2026 · Updated Oct 6, 2026·Draft
  144

  

• Reduce Azure SQL test scope in PR pipelines

  Area\Engineering
  Unread
  dotnet/SqlClient#4609·saurabh500 opened Aug 28, 2026 · Updated Sep 18, 2026·Draft
  10

  

• Fix managed SNI MARS receive teardown race

  Hotfix 6.1.8Hotfix 7.0.4Hotfix 7.1.2
  Unread
  dotnet/SqlClient#4680·cheenamalhotra opened Sep 11, 2026 · Updated Oct 1, 2026·Draft
  4

• Feature | Expose connection encryption information to clients

  ApprovedPublic API 🆕
  Feature

  dotnet/SqlClient#2353 · Filter by author shueybubbles opened on Feb 9, 2024 · 8.0.0-preview1
  8

  

• NativeAOT support: get to zero warnings

  Up-for-Grabs 🙌
  Bug

  dotnet/SqlClient#1947 · Filter by author roji opened on Mar 7, 2023 · 8.0.0-preview1
  12

  

• Flaky tests / lighter test queries

  Area\TestsAuthor attention needed
  Unread
  dotnet/SqlClient#4344·mdaigle opened Jun 5, 2026 · Updated Oct 10, 2026
  16

  

• Use Windows auth for local perf runs

  Unread
  dotnet/SqlClient#4608·mdaigle opened Aug 27, 2026 · Updated Sep 24, 2026
  8

• Fix agentic triage comment submission and reject incomplete summaries

  Unread
  dotnet/SqlClient#4706·priyankatiwari08 opened Sep 17, 2026 · Updated Oct 9, 2026
  35

  

• Enable transitive pinning and add manual driver dependency health workflow

  Unread
  dotnet/SqlClient#4712·cheenamalhotra opened Sep 18, 2026 · Updated Oct 8, 2026
  29

  

• Enable UseOverallConnectTimeoutForPoolWait by default in 8.0

  Area\Connection Pooling
  Task

  dotnet/SqlClient#4642 · Filter by author mdaigle opened on Sep 3, 2026 · 8.0.0-preview1
  2

• Performance | Remove manual state machine from setup phase of SqlBulkCopy

  Unread
  dotnet/SqlClient#4687·edwardneal opened Sep 14, 2026 · Updated Sep 30, 2026
  20