in step-recording mode.
* Sequencer: Fix seqblocks sometimes being placed at
  wrong positions after moving more than one
  seqblock.
* Faust: Upgraded from 2.70.3 to 2.81.2.
  (Leo Fruijtier)
* Sequencer: Fix buggy display of graphics right
  after loading a new song within the first 100ms.
* Sequencer: Fix grid not working in sequencer timing
  mode when there is an editor block in the first
  seqtrack.
* Windows: Use "WaitOnAddress" instead of
  "WaitForSingleObject". This improves DSP
  performance, but it's only available in Windows 8
  and newer.
* Preferences: Remove the "buzy loop" option.
* Windows: Upgrade LLVM from V10 to V15.
* MacOS/Arm: Upgrade LLVM from V18 to V19.
* Build: Many improvements and code quality
  fixes.