size of the jpg file is not showing in the export tab

[Nimesh v m]

when saving an image jpg format in gimp 2.10.30 the size of the file isn't showing at all. The screen shows unknown always.

ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: gimp 2.10.30-1build1
ProcVersionSignature: Ubuntu 5.15.0-48.54-generic 5.15.53
Uname: Linux 5.15.0-48-generic x86_64
ApportVersion: 2.20.11-0ubuntu82.1
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Sun Oct 2 22:33:22 2022
InstallationDate: Installed on 2022-09-18 (14 days ago)
InstallationMedia: Ubuntu 22.04.1 LTS "Jammy Jellyfish" - Release amd64 (20220809.1)
ProcEnviron:
 LANGUAGE=en_IN:en
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_IN
 SHELL=/bin/bash
SourcePackage: gimp
UpgradeStatus: No upgrade log present (probably fresh install)

[Michael Schumacher (schumaml)]

The size is only calculated when you active the preview in this dialog.

[Michael Schumacher (schumaml)]

*activate