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OSC 9;4 progress

Feature ID: osc-9-4-progress. Type: feature.

Manual tests: just probe osc-9-4-progress opens this feature's scenarios.

Browse under Window and desktop / Notifications and progress. A scenario may exercise related features; its existence does not establish support.

Sequence: OSC 9 ; 4

Terminal compatibility

Missing records mean unknown. as-of identifies the assessed version or revision, not the first release to support a feature.

TerminalSupportAs ofNotes and evidence
AlacrittyUnknownUnversionedNo assessment recorded.
Apple TerminalUnknownUnversionedNo assessment recorded.
ConPTY (conhost)UnknownUnversionedNo assessment recorded.
ContourUnknownUnversionedNo assessment recorded.
DomTermUnknownUnversionedNo assessment recorded.
footUnknownUnversionedNo assessment recorded.
GhosttySupportedImported · unverifiedUnversionedYes (1.2)

import

iTerm2UnknownUnversionedNo assessment recorded.
kittyUnknownUnversionedNo assessment recorded.
KonsoleUnknownUnversionedNo assessment recorded.
minttySupportedImported · unverifiedUnversionedYes

import

mltermUnknownUnversionedNo assessment recorded.
PuTTYUnknownUnversionedNo assessment recorded.
RevenantSupportedgit:e01f7b9333cf730f33bb73276a03c71a6a707182OSC 9;4 set, error, indeterminate, paused and remove reports reach the progress indicator; values above 100 clamp to 100, error and paused without a value keep the last percentage, and RIS and process exit remove progress. Title properties, the title stack and title reports are unaffected.

Checked 2026-09-13.

test

RLoginUnknownUnversionedNo assessment recorded.
stUnknownUnversionedNo assessment recorded.
tmuxUnknownUnversionedNo assessment recorded.
rxvt-unicodeUnknownUnversionedNo assessment recorded.
VTEUnknownUnversionedNo assessment recorded.
waystUnknownUnversionedNo assessment recorded.
WezTermUnknownUnversionedNo assessment recorded.
Windows TerminalSupportedImported · unverifiedUnversionedYes (1.6)

import

xtermUnknownUnversionedNo assessment recorded.
xterm.jsUnknownUnversionedNo assessment recorded.