- COPYING should be included with %license, not %doc:

%doc AUTHORS {Changelog,README}.html
%license COPYING

 - You should own the following directories:

[!]: Package must own all directories that it creates.
     Note: Directories without known owners: /usr/lib64/gcin,
     /usr/share/gcin

 -  BuildRequires:     qt3-devel seems obsolete The qt package is not built anymore.

 -  These files are wrongly marked as executables, please remove the executables bits in %prep:

gcin-debugsource.x86_64: W: spurious-executable-perm /usr/src/debug/gcin-2.8.5-1.fc28.x86_64/gcin-conf.h
gcin-debugsource.x86_64: W: spurious-executable-perm /usr/src/debug/gcin-2.8.5-1.fc28.x86_64/gcin-module.h
gcin-debugsource.x86_64: W: spurious-executable-perm /usr/src/debug/gcin-2.8.5-1.fc28.x86_64/gcin-settings.cpp
gcin-debugsource.x86_64: W: spurious-executable-perm /usr/src/debug/gcin-2.8.5-1.fc28.x86_64/gcin-setup-gtab.cpp
gcin-debugsource.x86_64: W: spurious-executable-perm /usr/src/debug/gcin-2.8.5-1.fc28.x86_64/gcin-setup-pho.cpp
gcin-debugsource.x86_64: W: spurious-executable-perm /usr/src/debug/gcin-2.8.5-1.fc28.x86_64/gcin.cpp
gcin-debugsource.x86_64: W: spurious-executable-perm /usr/src/debug/gcin-2.8.5-1.fc28.x86_64/gtab-init.cpp
gcin-debugsource.x86_64: W: spurious-executable-perm /usr/src/debug/gcin-2.8.5-1.fc28.x86_64/im-client/gcin-im-client.cpp
gcin-debugsource.x86_64: W: spurious-executable-perm /usr/src/debug/gcin-2.8.5-1.fc28.x86_64/im-client/gcin-im-client.h
gcin-debugsource.x86_64: W: spurious-executable-perm /usr/src/debug/gcin-2.8.5-1.fc28.x86_64/im-srv.h
gcin-debugsource.x86_64: W: spurious-executable-perm /usr/src/debug/gcin-2.8.5-1.fc28.x86_64/util.cpp./gtab-init.cpp

→ find . -type f -executable -regex ".*\.\(cpp\|h\)" -exec chmod 0644 "{}" \;


Package Review
==============

Legend:
[x] = Pass, [!] = Fail, [-] = Not applicable, [?] = Not evaluated
[ ] = Manual review needed


Issues:
=======
- If (and only if) the source package includes the text of the license(s)
  in its own file, then that file, containing the text of the license(s)
  for the package is included in %license.
  Note: License file COPYING is not marked as %license
  See:
  http://fedoraproject.org/wiki/Packaging/LicensingGuidelines#License_Text


===== MUST items =====

C/C++:
[x]: Package does not contain kernel modules.
[x]: Package contains no static executables.
[x]: Development (unversioned) .so files in -devel subpackage, if present.
     Note: Unversioned so-files in private %_libdir subdirectory (see
     attachment). Verify they are not in ld path.
[x]: Header files in -devel subpackage, if present.
[x]: Package does not contain any libtool archives (.la)
[x]: Rpath absent or only used for internal libs.

Generic:
[x]: Package is licensed with an open-source compatible license and meets
     other legal requirements as defined in the legal section of Packaging
     Guidelines.
[x]: License field in the package spec file matches the actual license.
     Note: Checking patched sources after %prep for licenses. Licenses
     found: "MIT/X11 (BSD like) NTP (legal disclaimer)", "LGPL (v2 or
     later)", "GPL (v2)", "NTP (legal disclaimer)", "Unknown or generated".
     653 files have unknown license. Detailed output of licensecheck in
     /home/bob/packaging/review/gcin/review-gcin/licensecheck.txt
[x]: License file installed when any subpackage combination is installed.
[x]: If the package is under multiple licenses, the licensing breakdown
     must be documented in the spec.
[!]: Package requires other packages for directories it uses.
     Note: No known owner of /usr/share/gcin
[!]: Package must own all directories that it creates.
     Note: Directories without known owners: /usr/lib64/gcin,
     /usr/share/gcin
[x]: %build honors applicable compiler flags or justifies otherwise.
[x]: Package contains no bundled libraries without FPC exception.
[x]: Changelog in prescribed format.
[x]: Sources contain only permissible code or content.
[-]: Development files must be in a -devel package
[x]: Package uses nothing in %doc for runtime.
[x]: The spec file handles locales properly.
[x]: Package consistently uses macros (instead of hard-coded directory
     names).
[x]: Package is named according to the Package Naming Guidelines.
[x]: Package does not generate any conflict.
[x]: Package obeys FHS, except libexecdir and /usr/target.
[-]: If the package is a rename of another package, proper Obsoletes and
     Provides are present.
[x]: Requires correct, justified where necessary.
[x]: Spec file is legible and written in American English.
[-]: Package contains systemd file(s) if in need.
[x]: gtk-update-icon-cache is invoked in %postun and %posttrans if package
     contains icons.
     Note: icons in gcin-data
[x]: Useful -debuginfo package or justification otherwise.
[x]: Package is not known to require an ExcludeArch tag.
[-]: Large documentation must go in a -doc subpackage. Large could be size
     (~1MB) or number of files.
     Note: Documentation size is 307200 bytes in 4 files.
[x]: Package complies to the Packaging Guidelines
[x]: Package successfully compiles and builds into binary rpms on at least
     one supported primary architecture.
[x]: Package installs properly.
[x]: Rpmlint is run on all rpms the build produces.
     Note: There are rpmlint messages (see attachment).
[x]: Package does not own files or directories owned by other packages.
[x]: Package uses either %{buildroot} or $RPM_BUILD_ROOT
[x]: Package does not run rm -rf %{buildroot} (or $RPM_BUILD_ROOT) at the
     beginning of %install.
[x]: %config files are marked noreplace or the reason is justified.
[x]: Macros in Summary, %description expandable at SRPM build time.
[x]: Package contains desktop file if it is a GUI application.
[x]: Package installs a %{name}.desktop using desktop-file-install or
     desktop-file-validate if there is such a file.
[x]: Dist tag is present.
[x]: Package does not contain duplicates in %files.
[x]: Permissions on files are set properly.
[x]: Package use %makeinstall only when make install DESTDIR=... doesn't
     work.
[x]: Package is named using only allowed ASCII characters.
[x]: No %config files under /usr.
[x]: Package is not relocatable.
[x]: Sources used to build the package match the upstream source, as
     provided in the spec URL.
[x]: Spec file name must match the spec package %{name}, in the format
     %{name}.spec.
[x]: File names are valid UTF-8.
[x]: Packages must not store files under /srv, /opt or /usr/local

===== SHOULD items =====

Generic:
[-]: If the source package does not include license text(s) as a separate
     file from upstream, the packager SHOULD query upstream to include it.
[x]: Final provides and requires are sane (see attachments).
[x]: Fully versioned dependency in subpackages if applicable.
     Note: No Requires: %{name}%{?_isa} = %{version}-%{release} in gcin-
     data , gcin-libs , gcin-table
[?]: Package functions as described.
[x]: Latest version is packaged.
[x]: Package does not include license text files separate from upstream.
[x]: Patches link to upstream bugs/comments/lists or are otherwise
     justified.
[x]: Scriptlets must be sane, if used.
[-]: Description and summary sections in the package spec file contains
     translations for supported Non-English languages, if available.
[x]: Package should compile and build into binary rpms on all supported
     architectures.
[-]: %check is present and all tests pass.
[x]: Packages should try to preserve timestamps of original installed
     files.
[x]: Reviewer should test that the package builds in mock.
[x]: Buildroot is not present
[x]: Package has no %clean section with rm -rf %{buildroot} (or
     $RPM_BUILD_ROOT)
[x]: No file requires outside of /etc, /bin, /sbin, /usr/bin, /usr/sbin.
[x]: Packager, Vendor, PreReq, Copyright tags should not be in spec file
[x]: Uses parallel make %{?_smp_mflags} macro.
[x]: Sources can be downloaded from URI in Source: tag
[x]: SourceX is a working URL.
[x]: Spec use %global instead of %define unless justified.

===== EXTRA items =====

Generic:
[x]: Rpmlint is run on debuginfo package(s).
     Note: There are rpmlint messages (see attachment).
[x]: Rpmlint is run on all installed packages.
     Note: There are rpmlint messages (see attachment).
[x]: Large data in /usr/share should live in a noarch subpackage if package
     is arched.
[x]: Spec file according to URL is the same as in SRPM.


Rpmlint
-------
Checking: gcin-2.8.5-1.fc28.x86_64.rpm
          gcin-anthy-2.8.5-1.fc28.x86_64.rpm
          gcin-data-2.8.5-1.fc28.noarch.rpm
          gcin-gtk2-2.8.5-1.fc28.x86_64.rpm
          gcin-gtk3-2.8.5-1.fc28.x86_64.rpm
          gcin-im-client-2.8.5-1.fc28.x86_64.rpm
          gcin-libs-2.8.5-1.fc28.x86_64.rpm
          gcin-qt4-2.8.5-1.fc28.x86_64.rpm
          gcin-qt5-2.8.5-1.fc28.x86_64.rpm
          gcin-table-2.8.5-1.fc28.noarch.rpm
          gcin-debuginfo-2.8.5-1.fc28.x86_64.rpm
          gcin-debugsource-2.8.5-1.fc28.x86_64.rpm
          gcin-2.8.5-1.fc28.src.rpm
gcin.x86_64: W: invalid-license Array
gcin.x86_64: W: only-non-binary-in-usr-lib
gcin.x86_64: W: no-manual-page-for-binary gtab-db-gen
gcin.x86_64: W: no-manual-page-for-binary phod2a
gcin.x86_64: W: no-manual-page-for-binary trad2sim
gcin.x86_64: W: no-manual-page-for-binary ts-contribute-en
gcin.x86_64: W: no-manual-page-for-binary ts-edit-en
gcin.x86_64: W: no-manual-page-for-binary tsd2a32
gcin.x86_64: W: no-manual-page-for-binary tsin2gtab-phrase
gcin.x86_64: W: no-manual-page-for-binary txt2gtab-phrase
gcin.x86_64: W: percent-in-%postun
gcin-anthy.x86_64: W: invalid-license Array
gcin-anthy.x86_64: W: no-documentation
gcin-data.noarch: W: invalid-license Array
gcin-data.noarch: W: no-documentation
gcin-gtk2.x86_64: W: invalid-license Array
gcin-gtk2.x86_64: W: no-documentation
gcin-gtk3.x86_64: W: invalid-license Array
gcin-gtk3.x86_64: W: no-documentation
gcin-im-client.x86_64: W: invalid-license Array
gcin-im-client.x86_64: W: no-documentation
gcin-im-client.x86_64: W: devel-file-in-non-devel-package /usr/lib64/gcin/libgcin-im-client.so
gcin-libs.x86_64: W: invalid-license Array
gcin-libs.x86_64: W: no-documentation
gcin-qt4.x86_64: W: invalid-license Array
gcin-qt4.x86_64: W: obsolete-not-provided gcin-qt3
gcin-qt4.x86_64: W: no-documentation
gcin-qt5.x86_64: W: invalid-license Array
gcin-qt5.x86_64: W: obsolete-not-provided gcin-qt4
gcin-qt5.x86_64: W: no-documentation
gcin-table.noarch: W: invalid-license Array
gcin-table.noarch: W: no-documentation
gcin-debuginfo.x86_64: W: invalid-license Array
gcin-debugsource.x86_64: W: invalid-license Array
gcin-debugsource.x86_64: W: no-documentation
gcin-debugsource.x86_64: W: spurious-executable-perm /usr/src/debug/gcin-2.8.5-1.fc28.x86_64/gcin-conf.h
gcin-debugsource.x86_64: W: spurious-executable-perm /usr/src/debug/gcin-2.8.5-1.fc28.x86_64/gcin-module.h
gcin-debugsource.x86_64: W: spurious-executable-perm /usr/src/debug/gcin-2.8.5-1.fc28.x86_64/gcin-settings.cpp
gcin-debugsource.x86_64: W: spurious-executable-perm /usr/src/debug/gcin-2.8.5-1.fc28.x86_64/gcin-setup-gtab.cpp
gcin-debugsource.x86_64: W: spurious-executable-perm /usr/src/debug/gcin-2.8.5-1.fc28.x86_64/gcin-setup-pho.cpp
gcin-debugsource.x86_64: W: spurious-executable-perm /usr/src/debug/gcin-2.8.5-1.fc28.x86_64/gcin.cpp
gcin-debugsource.x86_64: W: spurious-executable-perm /usr/src/debug/gcin-2.8.5-1.fc28.x86_64/gtab-init.cpp
gcin-debugsource.x86_64: W: spurious-executable-perm /usr/src/debug/gcin-2.8.5-1.fc28.x86_64/im-client/gcin-im-client.cpp
gcin-debugsource.x86_64: W: spurious-executable-perm /usr/src/debug/gcin-2.8.5-1.fc28.x86_64/im-client/gcin-im-client.h
gcin-debugsource.x86_64: W: spurious-executable-perm /usr/src/debug/gcin-2.8.5-1.fc28.x86_64/im-srv.h
gcin-debugsource.x86_64: W: spurious-executable-perm /usr/src/debug/gcin-2.8.5-1.fc28.x86_64/util.cpp
gcin.src: W: invalid-license Array
gcin.src:126: W: macro-in-comment %{_libdir}
13 packages and 0 specfiles checked; 0 errors, 48 warnings.

Thanks for the review. I just moved %dir %{_libdir}/%{name} to the first file section and I hope this can get rid of the ownership error. Others should be fixed by now.

SPEC URL: https://zsun.fedorapeople.org/pub/pkgs/gcin/gcin.spec
SRPM URL: https://zsun.fedorapeople.org/pub/pkgs/gcin/gcin-2.8.5-1.fc27.src.rpm

Perfect, package approved.

gcin-2.8.5-2.fc27 has been submitted as an update to Fedora 27. https://bodhi.fedoraproject.org/updates/FEDORA-2018-16c106298c

gcin-2.8.5-2.fc27 has been pushed to the Fedora 27 testing repository. If problems still persist, please make note of it in this bug report.
See https://fedoraproject.org/wiki/QA:Updates_Testing for
instructions on how to install test updates.
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2018-16c106298c

gcin-2.8.5-3.fc27 has been submitted as an update to Fedora 27. https://bodhi.fedoraproject.org/updates/FEDORA-2018-16c106298c

gcin-2.8.5-3.fc27 has been pushed to the Fedora 27 testing repository. If problems still persist, please make note of it in this bug report.
See https://fedoraproject.org/wiki/QA:Updates_Testing for
instructions on how to install test updates.
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2018-16c106298c

gcin-2.8.5-3.fc27 has been pushed to the Fedora 27 stable repository. If problems still persist, please make note of it in this bug report.