Description of problem:
I encountered the following error when attempting to upgrade a system from Fedora 32 to Fedora 33, which prevents the upgrade from continuing past the transaction stage.

Error: Transaction test error:
file /usr/lib/.build-id/0e/fd9f1f23d7cefd37989b7d1b401b4994fee742 conflicts between attempted installs of openjfx-11.0.3-1.fc33.x86_64 and openjfx8-8.0.202-24.b07.fc33.x86_64
file /usr/lib/.build-id/2d/747b771939ec456dadf18bfbec6a5db9d3a4cc conflicts between attempted installs of openjfx-11.0.3-1.fc33.x86_64 and openjfx8-8.0.202-24.b07.fc33.x86_64

Version-Release number of selected component (if applicable):

Distribution:
Fedora 32 (KDE Spin).

Currently installed OpenJFX and related packages:
openjfx-8.0.202-12.b07.fc32.x86_64 
java-1.8.0-openjdk-openjfx-1.8.0.265.b01-1.fc32.x86_64

How reproducible:
Always.

Steps to Reproduce:
1. Begin system upgrade from F32 to F33: sudo dnf system-upgrade download --refresh --releasever=33
2. Continue until the upgrade process stops due to an error in the transaction test (after packages are downloaded and keys are imported).

Actual results:
The transaction test fails due to the above error and the upgrade does not continue.

Expected results:
No errors during the transaction stage and the upgrade to F33 should continue normally.

Additional info:
I have run into this issue on two machines so far. This issue can be worked around by first removing the OpenJFX package, then upgrading to F33, and then reinstalling OpenJFX. It looks like this is related to F33 repos now having both an openjfx and an openjfx8 package.