Sceptre

Added

- [Resolve 966] Add support for J2 Environment configuration
- [Resolves 919] Add merge_keys option (928)
- [Resolves 1064] Add feature list change-set --url (1065)
- [Resolves 213] Add support for template handlers (1088)
- [Resolves 1106] S3 template handler jinja and python support (1110)
- [Resolves 1124] http template handler (1125)
- Set file as the default template handler type (1127)
- Add retry and timeout to http template handler (1145)
- [Resolve 683] Introducing the Diff Command (1132)

Fixed

- [Resolves 813] Fix recursive config render (1083)
- [Resolve 1096] Gracefully executing SAM Change sets (1099)
- [Resolves 556] fix incorrect stack_output_external examples (1109)
- [RESOLVE 946] Fixing bug preventing StackGroup dependencies (1116)
- [Resolve 1138] Bugfix for j2_environments (1137)
- [Resolve 1135] Fix path to templates (1141)
- [Resolve 1143] fix "create" cmd with existing stack (1144)
- [Resolves 1148] Correct path logic (1149)

Nonfunctional

- [Resolves 582] update imp to importlib (1092)
- [Resolves 1090] Install troposphere as an extra package (1104)
- [Resolves 1087] Add YAML document markers to template body (1089)
- Stop hiding critical debug info in helpers (988) (997)
- [Resolves 1139] Provide useful info on invalid jinja file (1142)

Fixed

- [Resolves 1078] Fix delete CLI dependency tree

Fixed

- [Resolves 1072] fix sceptre install for docker

Fixed

- Fix dependencies to install sceptre-file-resolver
- Consolidate pip requirements files

Added

- Doc: added docs to release workflow in .circleci/README.md
- Introduce an .editorconfig to sync common editor configuration across developer systems
- Update click version
- Update docker container to use Python 3.7
- Make the sceptre-resolver-cmd resolver a core resolver
- Make the sceptre-file-resolver a core resolver

Removed

- Doc: Removed V1 docs

Fixed

- [Resolves 1013] Fix virtual-hosted-style uri
- Remove unnecessary padding with sceptre output command
- Do not open a web browser during test
- Optimize Sceptre Start Time by only Processing Dependent Configuration Files
- [Resolves 1042] Fix OS path resolution on windows

Added

- Added support for python 3.8 & 3.9
- Support PEP-518 builds with pyproject.toml file
- Support before_create_change_set and after_create_change_set hooks
- Allow generate command to run hooks

Removed

- Removed support for python 2.7 & 3.5

Fixed

- Fix "sceptre list outpuuts" command
- Provide more info on config parsing errors

Nonfunctional

- Removed Sonarqube
- Setup pre-commit linters and hooks
- General documentation updates