Port conflicts, again

OK, it is occurring again ...

# uname -a
FreeBSD t01.24cl.home 15.1-RELEASE-p3 FreeBSD 15.1-RELEASE-p3 
releng/15.1-n283611-88e7371d9dc2 GENERIC amd64


Using the pkgs version ...

I see, when I when I run ...

----
/usr/sbin/pkg upgrade --repository FreeBSD-base \
            --fetch-only --yes

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I saw ...

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Updating FreeBSD-ports repository catalogue...
FreeBSD-ports repository is up to date.
Updating FreeBSD-ports-kmods repository catalogue...
FreeBSD-ports-kmods repository is up to date.
Updating FreeBSD repository catalogue...
FreeBSD repository is up to date.
All repositories are up to date.
Checking for upgrades (17 candidates): .......... done
Processing candidates (17 candidates): ...... done
Checking integrity... done (13 conflicting)
   - libcdb-g2020082801 [FreeBSD-ports] conflicts with tinycdb-0.81 
[installed] on /usr/local/lib/libcdb.a
   - gcc14-14.2.0_6 [FreeBSD-ports] conflicts with 
gcc14-devel-14.3.1.s20260618,1 [installed] on /usr/local/bin/c++14
   - gcc14-14.2.0_7 [FreeBSD] conflicts with 
gcc14-devel-14.3.1.s20260618,1 [installed] on /usr/local/bin/c++14
   - gcc16-16.1.0_2 [FreeBSD-ports] conflicts with 
gcc16-devel-16.1.1.s20260627 [installed] on /usr/local/bin/c++16
   - gcc16-16.1.0_3 [FreeBSD] conflicts with 
gcc16-devel-16.1.1.s20260627 [installed] on /usr/local/bin/c++16
   - gcc15-devel-15.3.1.s20260626 [FreeBSD-ports] conflicts with 
gcc15-15.2.0_3 [installed] on /usr/local/bin/c++15
   - gcc15-devel-15.3.1.s20260814 [FreeBSD] conflicts with 
gcc15-15.2.0_3 [installed] on /usr/local/bin/c++15
   - gcc13-13.3.0_5 [FreeBSD-ports] conflicts with 
gcc13-devel-13.4.1.s20260624 [installed] on /usr/local/bin/c++13
   - gcc13-13.3.0_6 [FreeBSD] conflicts with 
gcc13-devel-13.4.1.s20260624 [installed] on /usr/local/bin/c++13
   - gcc12-devel-12.4.1.s20250702 [FreeBSD-ports] conflicts with 
gcc12-12.4.0_5 [installed] on /usr/local/bin/c++12
   - gcc12-devel-12.4.1.s20250702 [FreeBSD-ports] conflicts with 
gcc13-13.3.0_5 [FreeBSD-ports] on /usr/local/include/libgccjit++.h
   - gcc12-devel-12.4.1.s20250702 [FreeBSD-ports] conflicts with 
gcc13-13.3.0_6 [FreeBSD] on /usr/local/include/libgccjit++.h
   - gcc12-devel-12.4.1.s20250702 [FreeBSD-ports] conflicts with 
gcc13-devel-13.4.1.s20260624 [installed] on /usr/local/include/libgccjit++.h
Checking integrity... done (0 conflicting)
Your packages are up to date.

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Now when I run that same command, all those conflicts have seemed to 
have disappeared.

Just happiness and rainbows.

What is going on with the FreeBSD updates?


Why do they seem to be so volatile?