6.13.0
- [New] 
parse: add strictDepth option (#511) 
- [Tests] use 
npm audit instead of aud 
6.12.3
- [Fix] 
parse: properly account for strictNullHandling when allowEmptyArrays 
- [meta] fix changelog indentation
 
6.12.2
- [Fix] 
parse: parse encoded square brackets (#506) 
- [readme] add CII best practices badge
 
6.12.1
- [Fix] 
parse: Disable decodeDotInKeys by default to restore previous behavior (#501) 
- [Performance] 
utils: Optimize performance under large data volumes, reduce memory usage, and speed up processing (#502) 
- [Refactor] 
utils: use += 
- [Tests] increase coverage
 
6.12.0
- [New] 
parse/stringify: add decodeDotInKeys/encodeDotKeys options (#488) 
- [New] 
parse: add duplicates option 
- [New] 
parse/stringify: add allowEmptyArrays option to allow [] in object values (#487) 
- [Refactor] 
parse/stringify: move allowDots config logic to its own variable 
- [Refactor] 
stringify: move option-handling code into normalizeStringifyOptions 
- [readme] update readme, add logos (#484)
 
- [readme] 
stringify: clarify default arrayFormat behavior 
- [readme] fix line wrapping
 
- [readme] remove dead badges
 
- [Deps] update 
side-channel 
- [meta] make the dist build 50% smaller
 
- [meta] add 
sideEffects flag 
- [meta] run build in prepack, not prepublish
 
- [Tests] 
parse: remove useless tests; add coverage 
- [Tests] 
stringify: increase coverage 
- [Tests] use 
mock-property 
- [Tests] 
stringify: improve coverage 
- [Dev Deps] update 
@ljharb/eslint-config, aud, has-override-mistake, has-property-descriptors, mock-property, npmignore, object-inspect, tape 
- [Dev Deps] pin 
glob, since v10.3.8+ requires a broken jackspeak 
- [Dev Deps] pin 
jackspeak since 2.1.2+ depends on npm aliases, which kill the install process in npm < 6 
6.11.2
- [Fix] 
parse: Fix parsing when the global Object prototype is frozen (#473) 
- [Tests] add passing test cases with empty keys (#473)
 
6.11.1
- [Fix] 
stringify: encode comma values more consistently (#463) 
- [readme] add usage of 
filter option for injecting custom serialization, i.e. of custom types (#447) 
- [meta] remove extraneous code backticks (#457)
 
- [meta] fix changelog markdown
 
- [actions] update checkout action
 
- [actions] restrict action permissions
 
- [Dev Deps] update 
@ljharb/eslint-config, aud, object-inspect, tape 
6.11.0
- [New] [Fix] 
stringify: revert 0e903c0; add commaRoundTrip option (#442) 
- [readme] fix version badge
 
6.10.5
- [Fix] 
stringify: with arrayFormat: comma, properly include an explicit [] on a single-item array (#434) 
6.10.4
- [Fix] 
stringify: with arrayFormat: comma, include an explicit [] on a single-item array (#441) 
- [meta] use 
npmignore to autogenerate an npmignore file 
- [Dev Deps] update 
eslint, @ljharb/eslint-config, aud, has-symbol, object-inspect, tape 
6.10.3
- [Fix] 
parse: ignore __proto__ keys (#428) 
- [Robustness] 
stringify: avoid relying on a global undefined (#427) 
- [actions] reuse common workflows
 
- [Dev Deps] update 
eslint, @ljharb/eslint-config, object-inspect, tape 
6.10.2
- [Fix] 
stringify: actually fix cyclic references (#426) 
- [Fix] 
stringify: avoid encoding arrayformat comma when encodeValuesOnly = true (#424) 
- [readme] remove travis badge; add github actions/codecov badges; update URLs
 
- [Docs] add note and links for coercing primitive values (#408)
 
- [actions] update codecov uploader
 
- [actions] update workflows
 
- [Tests] clean up stringify tests slightly
 
- [Dev Deps] update 
eslint, @ljharb/eslint-config, aud, object-inspect, safe-publish-latest, tape 
6.10.1
- [Fix] 
stringify: avoid exception on repeated object values (#402) 
6.10.0
- [New] 
stringify: throw on cycles, instead of an infinite loop (#395, #394, #393) 
- [New] 
parse: add allowSparse option for collapsing arrays with missing indices (#312) 
- [meta] fix README.md (#399)
 
- [meta] only run 
npm run dist in publish, not install 
- [Dev Deps] update 
eslint, @ljharb/eslint-config, aud, has-symbols, tape 
- [Tests] fix tests on node v0.6
 
- [Tests] use 
ljharb/actions/node/install instead of ljharb/actions/node/run 
- [Tests] Revert "[meta] ignore eclint transitive audit warning"
 
6.9.7
- [Fix] 
parse: ignore __proto__ keys (#428) 
- [Fix] 
stringify: avoid encoding arrayformat comma when encodeValuesOnly = true (#424) 
- [Robustness] 
stringify: avoid relying on a global undefined (#427) 
- [readme] remove travis badge; add github actions/codecov badges; update URLs
 
- [Docs] add note and links for coercing primitive values (#408)
 
- [Tests] clean up stringify tests slightly
 
- [meta] fix README.md (#399)
 
- Revert "[meta] ignore eclint transitive audit warning"
 
- [actions] backport actions from main
 
- [Dev Deps] backport updates from main
 
6.9.6
- [Fix] restore 
dist dir; mistakenly removed in d4f6c32 
6.9.5
- [Fix] 
stringify: do not encode parens for RFC1738 
- [Fix] 
stringify: fix arrayFormat comma with empty array/objects (#350) 
- [Refactor] 
format: remove util.assign call 
- [meta] add "Allow Edits" workflow; update rebase workflow
 
- [actions] switch Automatic Rebase workflow to 
pull_request_target event 
- [Tests] 
stringify: add tests for #378 
- [Tests] migrate tests to Github Actions
 
- [Tests] run 
nyc on all tests; use tape runner 
- [Dev Deps] update 
eslint, @ljharb/eslint-config, browserify, mkdirp, object-inspect, tape; add aud 
6.9.4
- [Fix] 
stringify: when arrayFormat is comma, respect serializeDate (#364) 
- [Refactor] 
stringify: reduce branching (part of #350) 
- [Refactor] move 
maybeMap to utils 
- [Dev Deps] update 
browserify, tape 
6.9.3
- [Fix] proper comma parsing of URL-encoded commas (#361)
 
- [Fix] parses comma delimited array while having percent-encoded comma treated as normal text (#336)
 
6.9.2
- [Fix] 
parse: Fix parsing array from object with comma true (#359) 
- [Fix] 
parse: throw a TypeError instead of an Error for bad charset (#349) 
- [meta] ignore eclint transitive audit warning
 
- [meta] fix indentation in package.json
 
- [meta] add tidelift marketing copy
 
- [Dev Deps] update 
eslint, @ljharb/eslint-config, object-inspect, has-symbols, tape, mkdirp, iconv-lite 
- [actions] add automatic rebasing / merge commit blocking
 
6.9.1
- [Fix] 
parse: with comma true, handle field that holds an array of arrays (#335) 
- [Fix] 
parse: with comma true, do not split non-string values (#334) 
- [meta] add 
funding field 
- [Dev Deps] update 
eslint, @ljharb/eslint-config 
- [Tests] use shared travis-ci config
 
6.9.0
- [New] 
parse/stringify: Pass extra key/value argument to decoder (#333) 
- [Dev Deps] update 
eslint, @ljharb/eslint-config, evalmd 
- [Tests] 
parse: add passing arrayFormat tests 
- [Tests] add 
posttest using npx aud to run npm audit without a lockfile 
- [Tests] up to 
node v12.10, v11.15, v10.16, v8.16 
- [Tests] 
Buffer.from in node v5.0-v5.9 and v4.0-v4.4 requires a TypedArray 
6.8.3
- [Fix] 
parse: ignore __proto__ keys (#428) 
- [Robustness] 
stringify: avoid relying on a global undefined (#427) 
- [Fix] 
stringify: avoid encoding arrayformat comma when encodeValuesOnly = true (#424) 
- [readme] remove travis badge; add github actions/codecov badges; update URLs
 
- [Tests] clean up stringify tests slightly
 
- [Docs] add note and links for coercing primitive values (#408)
 
- [meta] fix README.md (#399)
 
- [actions] backport actions from main
 
- [Dev Deps] backport updates from main
 
- [Refactor] 
stringify: reduce branching 
- [meta] do not publish workflow files
 
6.8.2
- [Fix] proper comma parsing of URL-encoded commas (#361)
 
- [Fix] parses comma delimited array while having percent-encoded comma treated as normal text (#336)
 
6.8.1
- [Fix] 
parse: Fix parsing array from object with comma true (#359) 
- [Fix] 
parse: throw a TypeError instead of an Error for bad charset (#349) 
- [Fix] 
parse: with comma true, handle field that holds an array of arrays (#335) 
- [fix] 
parse: with comma true, do not split non-string values (#334) 
- [meta] add tidelift marketing copy
 
- [meta] add 
funding field 
- [Dev Deps] update 
eslint, @ljharb/eslint-config, tape, safe-publish-latest, evalmd, has-symbols, iconv-lite, mkdirp, object-inspect 
- [Tests] 
parse: add passing arrayFormat tests 
- [Tests] use shared travis-ci configs
 
- [Tests] 
Buffer.from in node v5.0-v5.9 and v4.0-v4.4 requires a TypedArray 
- [actions] add automatic rebasing / merge commit blocking
 
6.8.0
- [New] add 
depth=false to preserve the original key; [Fix] depth=0 should preserve the original key (#326) 
- [New] [Fix] stringify symbols and bigints
 
- [Fix] ensure node 0.12 can stringify Symbols
 
- [Fix] fix for an impossible situation: when the formatter is called with a non-string value
 
- [Refactor] 
formats: tiny bit of cleanup. 
- [Dev Deps] update 
eslint, @ljharb/eslint-config, browserify, safe-publish-latest, iconv-lite, tape 
- [Tests] add tests for 
depth=0 and depth=false behavior, both current and intuitive/intended (#326) 
- [Tests] use 
eclint instead of editorconfig-tools 
- [docs] readme: add security note
 
- [meta] add github sponsorship
 
- [meta] add FUNDING.yml
 
- [meta] Clean up license text so it’s properly detected as BSD-3-Clause
 
6.7.3
- [Fix] 
parse: ignore __proto__ keys (#428) 
- [Fix] 
stringify: avoid encoding arrayformat comma when encodeValuesOnly = true (#424) 
- [Robustness] 
stringify: avoid relying on a global undefined (#427) 
- [readme] remove travis badge; add github actions/codecov badges; update URLs
 
- [Docs] add note and links for coercing primitive values (#408)
 
- [meta] fix README.md (#399)
 
- [meta] do not publish workflow files
 
- [actions] backport actions from main
 
- [Dev Deps] backport updates from main
 
- [Tests] use 
nyc for coverage 
- [Tests] clean up stringify tests slightly
 
6.7.2
- [Fix] proper comma parsing of URL-encoded commas (#361)
 
- [Fix] parses comma delimited array while having percent-encoded comma treated as normal text (#336)
 
6.7.1
- [Fix] 
parse: Fix parsing array from object with comma true (#359) 
- [Fix] 
parse: with comma true, handle field that holds an array of arrays (#335) 
- [fix] 
parse: with comma true, do not split non-string values (#334) 
- [Fix] 
parse: throw a TypeError instead of an Error for bad charset (#349) 
- [Fix] fix for an impossible situation: when the formatter is called with a non-string value
 
- [Refactor] 
formats: tiny bit of cleanup. 
- readme: add security note
 
- [meta] add tidelift marketing copy
 
- [meta] add 
funding field 
- [meta] add FUNDING.yml
 
- [meta] Clean up license text so it’s properly detected as BSD-3-Clause
 
- [Dev Deps] update 
eslint, @ljharb/eslint-config, tape, safe-publish-latest, evalmd, iconv-lite, mkdirp, object-inspect, browserify 
- [Tests] 
parse: add passing arrayFormat tests 
- [Tests] use shared travis-ci configs
 
- [Tests] 
Buffer.from in node v5.0-v5.9 and v4.0-v4.4 requires a TypedArray 
- [Tests] add tests for 
depth=0 and depth=false behavior, both current and intuitive/intended 
- [Tests] use 
eclint instead of editorconfig-tools 
- [actions] add automatic rebasing / merge commit blocking
 
6.7.0
- [New] 
stringify/parse: add comma as an arrayFormat option (#276, #219) 
- [Fix] correctly parse nested arrays (#212)
 
- [Fix] 
utils.merge: avoid a crash with a null target and a truthy non-array source, also with an array source 
- [Robustness] 
stringify: cache Object.prototype.hasOwnProperty 
- [Refactor] 
utils: isBuffer: small tweak; add tests 
- [Refactor] use cached 
Array.isArray 
- [Refactor] 
parse/stringify: make a function to normalize the options 
- [Refactor] 
utils: reduce observable [[Get]]s 
- [Refactor] 
stringify/utils: cache Array.isArray 
- [Tests] always use 
String(x) over x.toString() 
- [Tests] fix Buffer tests to work in node < 4.5 and node < 5.10
 
- [Tests] temporarily allow coverage to fail
 
6.6.1
- [Fix] 
parse: ignore __proto__ keys (#428) 
- [Fix] fix for an impossible situation: when the formatter is called with a non-string value
 
- [Fix] 
utils.merge: avoid a crash with a null target and an array source 
- [Fix] 
utils.merge: avoid a crash with a null target and a truthy non-array source 
- [Fix] correctly parse nested arrays
 
- [Robustness] 
stringify: avoid relying on a global undefined (#427) 
- [Robustness] 
stringify: cache Object.prototype.hasOwnProperty 
- [Refactor] 
formats: tiny bit of cleanup. 
- [Refactor] 
utils: isBuffer: small tweak; add tests 
- [Refactor]: 
stringify/utils: cache Array.isArray 
- [Refactor] 
utils: reduce observable [[Get]]s 
- [Refactor] use cached 
Array.isArray 
- [Refactor] 
parse/stringify: make a function to normalize the options 
- [readme] remove travis badge; add github actions/codecov badges; update URLs
 
- [Docs] Clarify the need for "arrayLimit" option
 
- [meta] fix README.md (#399)
 
- [meta] do not publish workflow files
 
- [meta] Clean up license text so it’s properly detected as BSD-3-Clause
 
- [meta] add FUNDING.yml
 
- [meta] Fixes typo in CHANGELOG.md
 
- [actions] backport actions from main
 
- [Tests] fix Buffer tests to work in node < 4.5 and node < 5.10
 
- [Tests] always use 
String(x) over x.toString() 
- [Dev Deps] backport from main
 
6.6.0
- [New] Add support for iso-8859-1, utf8 "sentinel" and numeric entities (#268)
 
- [New] move two-value combine to a 
utils function (#189) 
- [Fix] 
stringify: fix a crash with strictNullHandling and a custom filter/serializeDate (#279) 
- [Fix] when 
parseArrays is false, properly handle keys ending in [] (#260) 
- [Fix] 
stringify: do not crash in an obscure combo of interpretNumericEntities, a bad custom decoder, & iso-8859-1 
- [Fix] 
utils: merge: fix crash when source is a truthy primitive & no options are provided 
- [refactor] 
stringify: Avoid arr = arr.concat(...), push to the existing instance (#269) 
- [Refactor] 
parse: only need to reassign the var once 
- [Refactor] 
parse/stringify: clean up charset options checking; fix defaults 
- [Refactor] add missing defaults
 
- [Refactor] 
parse: one less concat call 
- [Refactor] 
utils: compactQueue: make it explicitly side-effecting 
- [Dev Deps] update 
browserify, eslint, @ljharb/eslint-config, iconv-lite, safe-publish-latest, tape 
- [Tests] up to 
node v10.10, v9.11, v8.12, v6.14, v4.9; pin included builds to LTS 
6.5.3
- [Fix] 
parse: ignore __proto__ keys (#428) 
- [Fix] 
utils.merge: avoid a crash with a null target and a truthy non-array source 
- [Fix] correctly parse nested arrays
 
- [Fix] 
stringify: fix a crash with strictNullHandling and a custom filter/serializeDate (#279) 
- [Fix] 
utils: merge: fix crash when source is a truthy primitive & no options are provided 
- [Fix] when 
parseArrays is false, properly handle keys ending in [] 
- [Fix] fix for an impossible situation: when the formatter is called with a non-string value
 
- [Fix] 
utils.merge: avoid a crash with a null target and an array source 
- [Refactor] 
utils: reduce observable [[Get]]s 
- [Refactor] use cached 
Array.isArray 
- [Refactor] 
stringify: Avoid arr = arr.concat(...), push to the existing instance (#269) 
- [Refactor] 
parse: only need to reassign the var once 
- [Robustness] 
stringify: avoid relying on a global undefined (#427) 
- [readme] remove travis badge; add github actions/codecov badges; update URLs
 
- [Docs] Clean up license text so it’s properly detected as BSD-3-Clause
 
- [Docs] Clarify the need for "arrayLimit" option
 
- [meta] fix README.md (#399)
 
- [meta] add FUNDING.yml
 
- [actions] backport actions from main
 
- [Tests] always use 
String(x) over x.toString() 
- [Tests] remove nonexistent tape option
 
- [Dev Deps] backport from main
 
6.5.2
- [Fix] use 
safer-buffer instead of Buffer constructor 
- [Refactor] utils: 
module.exports one thing, instead of mutating exports (#230) 
- [Dev Deps] update 
browserify, eslint, iconv-lite, safer-buffer, tape, browserify 
6.5.1
- [Fix] Fix parsing & compacting very deep objects (#224)
 
- [Refactor] name utils functions
 
- [Dev Deps] update 
eslint, @ljharb/eslint-config, tape 
- [Tests] up to 
node v8.4; use nvm install-latest-npm so newer npm doesn’t break older node 
- [Tests] Use precise dist for Node.js 0.6 runtime (#225)
 
- [Tests] make 0.6 required, now that it’s passing
 
- [Tests] on 
node v8.2; fix npm on node 0.6 
6.5.0
- [New] add 
utils.assign 
- [New] pass default encoder/decoder to custom encoder/decoder functions (#206)
 
- [New] 
parse/stringify: add ignoreQueryPrefix/addQueryPrefix options, respectively (#213) 
- [Fix] Handle stringifying empty objects with addQueryPrefix (#217)
 
- [Fix] do not mutate 
options argument (#207) 
- [Refactor] 
parse: cache index to reuse in else statement (#182) 
- [Docs] add various badges to readme (#208)
 
- [Dev Deps] update 
eslint, browserify, iconv-lite, tape 
- [Tests] up to 
node v8.1, v7.10, v6.11; npm v4.6 breaks on node < v1; npm v5+ breaks on node < v4 
- [Tests] add 
editorconfig-tools 
6.4.1
- [Fix] 
parse: ignore __proto__ keys (#428) 
- [Fix] fix for an impossible situation: when the formatter is called with a non-string value
 
- [Fix] use 
safer-buffer instead of Buffer constructor 
- [Fix] 
utils.merge: avoid a crash with a null target and an array source 
- [Fix] 
utils.merge: avoid a crash with a null target and a truthy non-array source 
- [Fix] 
stringify: fix a crash with strictNullHandling and a custom filter/serializeDate (#279) 
- [Fix] 
utils: merge: fix crash when source is a truthy primitive & no options are provided 
- [Fix] when 
parseArrays is false, properly handle keys ending in [] 
- [Robustness] 
stringify: avoid relying on a global undefined (#427) 
- [Refactor] use cached 
Array.isArray 
- [Refactor] 
stringify: Avoid arr = arr.concat(...), push to the existing instance (#269) 
- [readme] remove travis badge; add github actions/codecov badges; update URLs
 
- [Docs] Clarify the need for "arrayLimit" option
 
- [meta] fix README.md (#399)
 
- [meta] Clean up license text so it’s properly detected as BSD-3-Clause
 
- [meta] add FUNDING.yml
 
- [actions] backport actions from main
 
- [Tests] remove nonexistent tape option
 
- [Dev Deps] backport from main
 
6.4.0
- [New] 
qs.stringify: add encodeValuesOnly option 
- [Fix] follow 
allowPrototypes option during merge (#201, #201) 
- [Fix] support keys starting with brackets (#202, #200)
 
- [Fix] chmod a-x
 
- [Dev Deps] update 
eslint 
- [Tests] up to 
node v7.7, v6.10,v4.8; disable osx builds since they block linux builds 
- [eslint] reduce warnings
 
6.3.3
- [Fix] 
parse: ignore __proto__ keys (#428) 
- [Fix] fix for an impossible situation: when the formatter is called with a non-string value
 
- [Fix] 
utils.merge: avoid a crash with a null target and an array source 
- [Fix] 
utils.merge: avoid a crash with a null target and a truthy non-array source 
- [Fix] 
stringify: fix a crash with strictNullHandling and a custom filter/serializeDate (#279) 
- [Fix] 
utils: merge: fix crash when source is a truthy primitive & no options are provided 
- [Fix] when 
parseArrays is false, properly handle keys ending in [] 
- [Robustness] 
stringify: avoid relying on a global undefined (#427) 
- [Refactor] use cached 
Array.isArray 
- [Refactor] 
stringify: Avoid arr = arr.concat(...), push to the existing instance (#269) 
- [Docs] Clarify the need for "arrayLimit" option
 
- [meta] fix README.md (#399)
 
- [meta] Clean up license text so it’s properly detected as BSD-3-Clause
 
- [meta] add FUNDING.yml
 
- [actions] backport actions from main
 
- [Tests] use 
safer-buffer instead of Buffer constructor 
- [Tests] remove nonexistent tape option
 
- [Dev Deps] backport from main
 
6.3.2
- [Fix] follow 
allowPrototypes option during merge (#201, #200) 
- [Dev Deps] update 
eslint 
- [Fix] chmod a-x
 
- [Fix] support keys starting with brackets (#202, #200)
 
- [Tests] up to 
node v7.7, v6.10,v4.8; disable osx builds since they block linux builds 
6.3.1
- [Fix] ensure that 
allowPrototypes: false does not ever shadow Object.prototype properties (thanks, @snyk!) 
- [Dev Deps] update 
eslint, @ljharb/eslint-config, browserify, iconv-lite, qs-iconv, tape 
- [Tests] on all node minors; improve test matrix
 
- [Docs] document stringify option 
allowDots (#195) 
- [Docs] add empty object and array values example (#195)
 
- [Docs] Fix minor inconsistency/typo (#192)
 
- [Docs] document stringify option 
sort (#191) 
- [Refactor] 
stringify: throw faster with an invalid encoder 
- [Refactor] remove unnecessary escapes (#184)
 
- Remove contributing.md, since 
qs is no longer part of hapi (#183) 
6.3.0
- [New] Add support for RFC 1738 (#174, #173)
 
- [New] 
stringify: Add serializeDate option to customize Date serialization (#159) 
- [Fix] ensure 
utils.merge handles merging two arrays 
- [Refactor] only constructors should be capitalized
 
- [Refactor] capitalized var names are for constructors only
 
- [Refactor] avoid using a sparse array
 
- [Robustness] 
formats: cache String#replace 
- [Dev Deps] update 
browserify, eslint, @ljharb/eslint-config; add safe-publish-latest 
- [Tests] up to 
node v6.8, v4.6; improve test matrix 
- [Tests] flesh out arrayLimit/arrayFormat tests (#107)
 
- [Tests] skip Object.create tests when null objects are not available
 
- [Tests] Turn on eslint for test files (#175)
 
6.2.4
- [Fix] 
parse: ignore __proto__ keys (#428) 
- [Fix] 
utils.merge: avoid a crash with a null target and an array source 
- [Fix] 
utils.merge: avoid a crash with a null target and a truthy non-array source 
- [Fix] 
utils: merge: fix crash when source is a truthy primitive & no options are provided 
- [Fix] when 
parseArrays is false, properly handle keys ending in [] 
- [Robustness] 
stringify: avoid relying on a global undefined (#427) 
- [Refactor] use cached 
Array.isArray 
- [Docs] Clarify the need for "arrayLimit" option
 
- [meta] fix README.md (#399)
 
- [meta] Clean up license text so it’s properly detected as BSD-3-Clause
 
- [meta] add FUNDING.yml
 
- [actions] backport actions from main
 
- [Tests] use 
safer-buffer instead of Buffer constructor 
- [Tests] remove nonexistent tape option
 
- [Dev Deps] backport from main
 
6.2.3
- [Fix] follow 
allowPrototypes option during merge (#201, #200) 
- [Fix] chmod a-x
 
- [Fix] support keys starting with brackets (#202, #200)
 
- [Tests] up to 
node v7.7, v6.10,v4.8; disable osx builds since they block linux builds 
6.2.2
- [Fix] ensure that 
allowPrototypes: false does not ever shadow Object.prototype properties 
6.2.1
- [Fix] ensure 
key[]=x&key[]&key[]=y results in 3, not 2, values 
- [Refactor] Be explicit and use 
Object.prototype.hasOwnProperty.call 
- [Tests] remove 
parallelshell since it does not reliably report failures 
- [Tests] up to 
node v6.3, v5.12 
- [Dev Deps] update 
tape, eslint, @ljharb/eslint-config, qs-iconv 
- [New] pass Buffers to the encoder/decoder directly (#161)
 
- [New] add "encoder" and "decoder" options, for custom param encoding/decoding (#160)
 
- [Fix] fix compacting of nested sparse arrays (#150)
 
6.1.2
- [Fix] follow 
allowPrototypes option during merge (#201, #200) 
- [Fix] chmod a-x
 
- [Fix] support keys starting with brackets (#202, #200)
 
- [Tests] up to 
node v7.7, v6.10,v4.8; disable osx builds since they block linux builds 
6.1.1
- [Fix] ensure that 
allowPrototypes: false does not ever shadow Object.prototype properties 
- [New] allowDots option for 
stringify (#151) 
- [Fix] "sort" option should work at a depth of 3 or more (#151)
 
- [Fix] Restore 
dist directory; will be removed in v7 (#148) 
6.0.4
- [Fix] follow 
allowPrototypes option during merge (#201, #200) 
- [Fix] chmod a-x
 
- [Fix] support keys starting with brackets (#202, #200)
 
- [Tests] up to 
node v7.7, v6.10,v4.8; disable osx builds since they block linux builds 
6.0.3
- [Fix] ensure that 
allowPrototypes: false does not ever shadow Object.prototype properties 
- [Fix] Restore 
dist directory; will be removed in v7 (#148) 
- Revert ES6 requirement and restore support for node down to v0.8.
 
- #127 Fix engines definition in package.json
 
- #124 Use ES6 and drop support for node < v4
 
5.2.1
- [Fix] ensure 
key[]=x&key[]&key[]=y results in 3, not 2, values 
- #64 Add option to sort object keys in the query string
 
- #117 make URI encoding stringified results optional
 
- #106 Add flag 
skipNulls to optionally skip null values in stringify 
- #114 default allowDots to false
 
- #100 include dist to npm
 
- #98 make returning plain objects and allowing prototype overwriting properties optional
 
- #89 Add option to disable "Transform dot notation to bracket notation"
 
- #80 qs.parse silently drops properties
 
- #77 Perf boost
 
- #60 Add explicit option to disable array parsing
 
- #74 Bad parse when turning array into object
 
- #81 Add a 
filter option 
- #68 Fixed issue with recursion and passing strings into objects.
 
- #66 Add mixed array and object dot notation support Closes: #47
 
- #76 RFC 3986
 
- #85 No equal sign
 
- #84 update license attribute
 
- #73 Property 'hasOwnProperty' of object #
 
- #70 Add arrayFormat option
 
- #59 make sure array indexes are >= 0, closes #57
 
- #58 make qs usable for browser loader
 
- #55 allow merging a string into an object
 
- #52 Return "undefined" and "false" instead of throwing "TypeError".
 
- #50 add option to omit array indices, closes #46
 
- #39 Is there an alternative to Buffer.isBuffer?
 
- #49 refactor utils.merge, fixes #45
 
- #41 avoid browserifying Buffer, for #39
 
- #38 how to handle object keys beginning with a number
 
- #37 parser discards first empty value in array
 
- #36 Update to lab 4.x
 
- #33 Error when plain object in a value
 
- #34 use Object.prototype.hasOwnProperty.call instead of obj.hasOwnProperty
 
- #24 Changelog? Semver?
 
- #32 account for circular references properly, closes #31
 
- #31 qs.parse stackoverflow on circular objects
 
- #26 Don't use Buffer global if it's not present
 
- #30 Bug when merging non-object values into arrays
 
- #29 Don't call Utils.clone at the top of Utils.merge
 
- #23 Ability to not limit parameters?
 
- #22 Enable using a RegExp as delimiter
 
- #18 Why is there arrayLimit?
 
- #20 Configurable parametersLimit
 
- #21 make all limits optional, for #18, for #20
 
- #19 Don't overwrite null values
 
- #16 ignore non-string delimiters
 
- #15 Close code block
 
- #12 Add optional delim argument
 
- #13 fix #11: flattened keys in array are now correctly parsed
 
- #7 Empty values of a POST array disappear after being submitted
 
- #9 Should not omit equals signs (=) when value is null
 
- #6 Minor grammar fix in README
 
- #5 array holes incorrectly copied into object on large index