New Stuff

• Support --no-progress for nvm install (#1422)
• install.sh: allow user to explicitly opt out of nvm adding the source string (#1804)
• Respect previously nvm-loaded node version when sourcing (#1315)
• add support for $XDG_CONFIG_HOME (#1888)
• bash_completion: Add support for ZSH_DISABLE_COMPFIX flag (#1911)

Fixes

• Improve .nvmrc reading process (#1740)
• nvm debug: Fix sed syntax error in nvm_command_info (#1528)
• Remove $NVM_DIR trailing slash automatically (#1734)
• install -s: zsh: ensure shwordsplit opt is set (#1719)
• ls-remote: fix issues in zsh when using a mirror with a ton of entries (#1818)
• Improve nvm_is_version_installed to check for a node executable instead of root dir (#1824)
• use: Prepend instead of changing if shadowed by system dirs (#1830)
• Improve and update Dockerfile (#1861, #1863)
• install.sh: Print an error and exit the script if $METHOD is set to something unexpected (#1917)
• Allow zsh users to have the nomatch option set (#1938)
• avoid unbound variable (#1949)

Refactors

• Speedup nvm_list_aliases (#1517)
• bash_completion: Improve coding style (#1816)
• [shellcheck] use { …; } instead of (…) to group test commands (#1825)
• [shellcheck] quote variables in for loops to avoid unintentional expansion
• [shellcheck] ignore SC2230 errors
• [shellcheck] Use -n/-z instead of ! -z/! -n condition (#1955)

Tests

• add nvm install-latest-npm tests for all node versions
• fix failing tests on master due to npm registry SSL changes
• Enable ccache on Travis CI to speed up compilation (#1947)
• print out shellcheck version
• avoid using shopt in zsh

Docs

• add --tags to git fetch in manual upgrade (#1793)
• fix failing if check in autoload script (#1821)
• Grammar update (#1822)
• fix for .nvmrc script (#1823)
• add --no-use option to installation (#1839, #1840, #1862)
• add instructions for installing a specific version (#1901)
• Added fish nvm (#1926)
• Add section on automatic nvm use in Bash (#1865)
• improve instructions for manual install (#1930)
• update README to fix docker run command flag order (#1925)
• Improve md file syntax (#1864)
• Add Ansible task example (#1964)
• Improve indent of output block in GitHub Issue template (#1967)
• fixing cdnvm on .bashrc (#1971)
• Improve phrasing of 'nvm current' (#1974)