Should I update?

Should I update Premiere?

Premiere 26.3 · Known bug

Playback slows over time on large HEVC timelines

Not marked fixed as of Premiere 27.0.0. The bug was reported for Premiere 26.3. Adobe tracks it (status: Investigating). There is a workaround.

Status
Not fixedAdobe: Investigating
Severity
Major
Affects
Specific feature
System
Windows and macOS

Workaround

Clearing the cache temporarily restores playback performance.

Timeline

  1. Oct 8, 2026Reported on Premiere 26.3
  2. Nov 10, 2026Not marked fixed as of Premiere 27.0.0Adobe: Investigating

The report

1 vote · 3 replies

Reported on Windows by 1 person (from the report and 3 replies).

“Playback Issues since version 26.3”

Read it on the Adobe Community board
Should you update Premiere today?Today’s verdict for Windows and macOS, and every known issue behind it.

Based on public bug reports on the Adobe Community board. Last changed November 10, 2026. The title and rating are ours; the report is the reporter’s. Not affiliated with Adobe.