v9.17.0 (2026-07-13)

Feat

• add --ask flag to force prompting of selected questions (#2705)

Security

• prevent trust bypass via encoded URL traversal

v9.16.0 (2026-06-23)

Feat

• cache remote git templates as local mirrors with worktrees (#2720)

Fix

• updating: preserve and update template-managed gitignored files (#2730)

v9.15.2 (2026-06-12)

Fix

• report template path for Jinja errors in path segments (#2686)
• fix answers file override/setting to use full path and not only filename
• treat blank boolean strings as false (#2675)
• updating: don't skip gitignored .rej files when converting to inline conflict
  markers (#2668)

Refactor

• deprecate locating {{ _copier_conf.answers_file }}.jinja file in non-root directory

Security

• prevent trust bypass via path traversal in trusted template URLs

v9.15.1 (2026-05-13)

Fix

• enrich invalid choice error message with variable name and valid choices (#2662)
• restore support for copier copy when git is not available

v9.15.0 (2026-04-30)

Feat

• add support for enabling StrictUndefined in Jinja environment (#2587)

Fix

• clean up temporary clone directory when internal git clone is interrupted
• avoid double-escaping backslashes in Git paths with PathSpec v1.1.0+
• updating: propagate executable-bit changes even when Git ignores file mode changes

v9.14.3 (2026-04-10)

Fix

• vcs: fix Git tag lookup for template SSH URLs without ssh:// scheme

v9.14.2 (2026-04-09)

Fix

• vcs: fix Git tag lookup for relative local template paths
• vcs: support git worktrees in is_git_repo_root (#2586)
• migrations: use configurable Jinja delimiters for default migration condition

v9.14.1 (2026-03-31)

Refactor

• make YieldExtension self-contained

Security

• require --trust for _external_data paths outside subproject root
• disallow _subdirectory path outside template root

v9.14.0 (2026-03-13)

Feat

• cli: add --answers-file flag to check-update command

Fix

• only warn about dirty template when checking out HEAD
• cli: show only supported flags in check-update command help output

v9.13.1 (2026-03-09)

Fix

• vcs: make Git version parsing robust to vendor-suffixed patch versions