The package needs to install tzdata as a build dependency due to the
test suite. I am seeing the following test failures when tzdata is
not present:

...
 55/132 Test  #55: test-gnc-numeric ......................   Passed    0.01 sec
        Start  56: test-gnc-timezone
 56/132 Test  #56: test-gnc-timezone .....................***Failed    0.01 sec
        Start  57: test-gnc-datetime
 57/132 Test  #57: test-gnc-datetime .....................***Failed    0.01 sec
        Start  58: test-import-map
 58/132 Test  #58: test-import-map .......................   Passed    0.01 sec
        Start  59: test-qofquerycore
...
...
C++ exception with description "Year is out of valid range: 1400..9999" thrown in the test body.
[  FAILED  ] gnc_timezone_constructors.test_pacific_time_constructor (0 ms)
[ RUN      ] gnc_timezone_constructors.test_posix_timezone
[       OK ] gnc_timezone_constructors.test_posix_timezone (0 ms)
[ RUN      ] gnc_timezone_constructors.test_gmt_timezone
[       OK ] gnc_timezone_constructors.test_gmt_timezone (0 ms)
[ RUN      ] gnc_timezone_constructors.test_GMT_plus_7_timezone
./libgnucash/engine/test/gtest-gnc-timezone.cpp:106: Failure
Expected equality of these values:
  tz->std_zone_abbrev()
    Which is: "UTC"
  "-07"
./libgnucash/engine/test/gtest-gnc-timezone.cpp:109: Failure
Expected equality of these values:
  tz->base_utc_offset().hours()
    Which is: 0
  -7
[  FAILED  ] gnc_timezone_constructors.test_GMT_plus_7_timezone (0 ms)
[ RUN      ] gnc_timezone_constructors.test_IANA_Belize_tz
./libgnucash/engine/test/gtest-gnc-timezone.cpp:121: Failure
Expected equality of these values:
  tz->std_zone_abbrev()
    Which is: "UTC"
  "LMT"
./libgnucash/engine/test/gtest-gnc-timezone.cpp:123: Failure
Expected equality of these values:
  tz->base_utc_offset().total_seconds()
    Which is: 0
  -21168
...

We believe that the bug you reported is fixed in the latest version of
gnucash, which is due to be installed in the Debian FTP archive.

A summary of the changes between this version and the previous one is
attached.

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to 1122854@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Dmitry Smirnov <onlyjob@debian.org> (supplier of updated gnucash package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmaster@ftp-master.debian.org)
Format: 1.8
Date: Thu, 20 Aug 2026 20:10:26 +1000
Source: gnucash
Architecture: source
Version: 1:5.16-1
Distribution: unstable
Urgency: medium
Maintainer: Dmitry Smirnov <onlyjob@debian.org>
Changed-By: Dmitry Smirnov <onlyjob@debian.org>
Closes: 1023426 1120486 1122854
Changes:
 gnucash (1:5.16-1) unstable; urgency=medium
 .
   * New upstream release.
     + fixed "Crash importing a QFX/OFX file" (Closes: #1023426).
   * Build-Depends:
     = libaqbanking-dev (>= 6.9.1~)
     + tzdata (Closes: #1122854).
   * Recommends += "gir1.2-gtk-3.0" (Closes: #1120486).
Checksums-Sha1:
 0a3aa62247d4433137d40f5b0fac0c06c9aa1646 2386 gnucash_5.16-1.dsc
 732bc45ad0f15888d1231f196e9c41d3918a1f52 10645404 gnucash_5.16.orig.tar.xz
 0c98e4e4e5f34e5ec44511f344d1f84d384a7110 38244 gnucash_5.16-1.debian.tar.xz
 beebddfed1bff7610a8959d95607faa59d8f1ed7 27272 gnucash_5.16-1_amd64.buildinfo
Checksums-Sha256:
 af76ccef1d84abec6c70f73d4d2547b7bb1ef4fd7db62ed649e7ba12d485974a 2386 gnucash_5.16-1.dsc
 43aa7cc5769e1303888a1a80e99f6f18d979f62b469d2dfcd77b10277ad14310 10645404 gnucash_5.16.orig.tar.xz
 a7f7c4d4ac52ea16f5c80687745475609698994124bb5e6c5ae2b777dd1c99fa 38244 gnucash_5.16-1.debian.tar.xz
 498f0e7979ac815f65ac4a7259ad3909e604397a6906f64ea0698cdbe69a38db 27272 gnucash_5.16-1_amd64.buildinfo
Files:
 d55acd564555de5f1bfd129511721039 2386 gnome optional gnucash_5.16-1.dsc
 9e392b81afd449ce6049ea880f8c640f 10645404 gnome optional gnucash_5.16.orig.tar.xz
 dd0f6d3b75d651d14d326d5e12aded45 38244 gnome optional gnucash_5.16-1.debian.tar.xz
 10f0894f47f96ee517050dea056d0f9e 27272 gnome optional gnucash_5.16-1_amd64.buildinfo
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Hello,

Bug #1122854 in gnucash reported by you has been fixed in the
Git repository and is awaiting an upload. You can see the commit
message below and you can check the diff of the fix at:

https://salsa.debian.org/debian/gnucash/-/commit/d6786bac2a4d223aa12b2531a31fe86d28e2e334
Thanks, Daniel Richard G.
------------------------------------------------------------------------

(this message was generated automatically)
-- 
Greetings

https://bugs.debian.org/1122854