Issues

• Conditional runtime dependencies within spack

  feature
  spack/spack#53179 · Filter by author lbeltrame opened on Oct 8, 2026

• Cached load and activate scripts are not refreshed when their inputs change

  bugimpact-high
  Bug

  spack/spack#53175 · Filter by author alalazo opened on Oct 7, 2026

• spack load joins LUA_PATH with : instead of ;, and spack unload leaves CMAKE_PREFIX_PATH set

  bugimpact-high
  Bug

  spack/spack#53174 · Filter by author alalazo opened on Oct 7, 2026

• spack load and spack env activate fail for users without write access to the store or the environment

  bugimpact-medium
  Bug

  spack/spack#53173 · Filter by author alalazo opened on Oct 7, 2026

• .spack/spack-build-env.txt is no longer a sourceable script and lost its unset lines

  bugimpact-high
  Bug

  spack/spack#53172 · Filter by author alalazo opened on Oct 7, 2026

• spack containerize recipes fail to build on develop: _spack_env_set: command not found

  bugimpact-high
  Bug

  spack/spack#53170 · Filter by author alalazo opened on Oct 7, 2026

• Shared Spack (#52468): problems when upgrading from v1.2, tested at 63b2a93430

  spack/spack#53114 · Filter by author haampie-bot opened on Sep 25, 2026
  4

• Useless error message on misspelled dependency

  bugtriage
  spack/spack#53110 · Filter by author marcmengel opened on Sep 25, 2026
  3

• bootstrap tests read the real install tree database

  spack/spack#53102 · Filter by author haampie-bot opened on Sep 23, 2026

• sbom post install hook runs when installing from cache

  bugtriage
  spack/spack#53101 · Filter by author haampie opened on Sep 23, 2026
  

• Bootstrap phase clears in_buildcache tag

  bugtriage
  spack/spack#53037 · Filter by author sethrj opened on Sep 15, 2026

• Buildcache list hides generic architectures by default

  bugtriage
  spack/spack#53030 · Filter by author sethrj opened on Sep 15, 2026
  1

• Proposal for handing PYTHONPATH and analogous variables automatically in binaries and scripts

  spack/spack#52991 · Filter by author becker33 opened on Sep 4, 2026
  3

• Module file generated for external nvhpc contains incorrect paths.

  bugtriage
  spack/spack#52983 · Filter by author andymwood opened on Aug 31, 2026
  1

• Variable $spack is not getting expanded when used in mirrors.yaml file

  bugtriage
  spack/spack#52959 · Filter by author RaghuReddy-NOAA opened on Aug 26, 2026

• spack spec and spack find are not spec group aware

  feature
  spack/spack#52932 · Filter by author vanderwb opened on Aug 21, 2026

• spack remove fails when group and non-group specs are mixed

  bugtriage
  spack/spack#52926 · Filter by author vanderwb opened on Aug 20, 2026

• concretization error with mpich ^[email protected]

  bugtriage
  spack/spack#52918 · Filter by author cwhitlock-NOAA opened on Aug 19, 2026

• Usages: edge-attribute variant-like capabilities

  spack/spack#52913 · Filter by author becker33 opened on Aug 18, 2026

• Concretization error with hwloc

  bugimpact-low
  spack/spack#52909 · Filter by author joewallwork opened on Aug 17, 2026
  1

• Bad diagnostics on failed concretization

  bugerror-messagesimpact-low
  Bug

  spack/spack#52871 · Filter by author payerle opened on Aug 10, 2026
  3

• HgFetchStrategy's PYTHONPATH clearing breaks spack-built mercurial 7.0+

  spack/spack#52868 · Filter by author FlyinTeller opened on Aug 10, 2026

• spack module tcl refresh --upstream-modules aborts when multiple upstreams contain the same external spec

  bugtriage
  spack/spack#52842 · Filter by author CodeGat opened on Aug 6, 2026
  

• spack bootstrap now --dev succeeds but produces an unusable environment on old Python versions

  bugimpact-medium
  Bug

  spack/spack#52825 · Filter by author alalazo opened on Aug 3, 2026 · v1.3.0
  9

  

• Install to temporary path and relocate to install_tree when using padded_length

  feature
  spack/spack#52821 · Filter by author sethrj opened on Aug 2, 2026