The spdx-license-list v3.23 update added "Pixar" license, which is a variant of Apache-2.0.
Using this version of the SPDX data, Apache-2.0 licenses without appendix (like the one from the rust-lang/rust repo), the file is now a closer match to "Pixar" than it is to "Apache-2.0" despite being a perfect copy except that the appendix is missing.
see also https://github.com/spdx/license-list-XML/issues/2418
The spdx-license-list v3.23 update added "Pixar" license, which is a variant of Apache-2.0.
Using this version of the SPDX data, Apache-2.0 licenses without appendix (like the one from the rust-lang/rust repo), the file is now a closer match to "Pixar" than it is to "Apache-2.0" despite being a perfect copy except that the appendix is missing.
Is it possible that this is because the appendix that is marked as optional is not missing entirely? see https://github.com/spdx/license-list-XML/issues/2418#issuecomment-1995028762