2026.4.0

This release introduces collection-level pre-request and test scripts, desktop settings with manual update controls, refinements to the API documentation experience, and self-hosted improvements, including SMTP OAuth2 authentication, alongside security patches and bug fixes.

Read more at: https://hoppscotch.com/blog/hoppscotch-v2026-4-0.

## What's Changed
* refactor(cli): match test-result helper name to documented contract by @Basavaraj8143 in https://github.com/hoppscotch/hoppscotch/pull/6122
* feat(backend): use stateless OAuth2 state store by @mirarifhasan in https://github.com/hoppscotch/hoppscotch/pull/6098
* fix(common): handle non-string values in Postman collection import by @okxint in https://github.com/hoppscotch/hoppscotch/pull/6137
* fix(common): correct environment locale wording by @PallavSarkar2005 in https://github.com/hoppscotch/hoppscotch/pull/6117
* fix(data): make `$randomUUID` predefined variable RFC 4122 compliant by @Grizouforever in https://github.com/hoppscotch/hoppscotch/pull/6125
* chore(common): complete missing Spanish translations by @Pakvothe in https://github.com/hoppscotch/hoppscotch/pull/6109
* chore(common): complete missing Turkish translations by @onwp in https://github.com/hoppscotch/hoppscotch/pull/6071
* chore(common): modify Chinese translation of words by @jiangzm in https://github.com/hoppscotch/hoppscotch/pull/5996
* fix(common): add missing aria-labels to icon-only sidenav links by @rayrishu19-wq in https://github.com/hoppscotch/hoppscotch/pull/6160
* fix(common): variable hover tooltip was not clickable (disappeared) by @AaronFortG in https://github.com/hoppscotch/hoppscotch/pull/6155
* feat: add SMTP OAuth2 authentication support by @mirarifhasan in https://github.com/hoppscotch/hoppscotch/pull/6141
* fix: resolve invalid environment validation when publishing docs in personal workspace by @sahilkhan09k in https://github.com/hoppscotch/hoppscotch/pull/5962
* feat(common): improve API documentation publishing UX by @nivedin in https://github.com/hoppscotch/hoppscotch/pull/6116
* fix: remediate `quinn-proto` vulnerability across native packages by @CuriousCorrelation in https://github.com/hoppscotch/hoppscotch/pull/6174
* docs: security threat model and policy update by @CuriousCorrelation in https://github.com/hoppscotch/hoppscotch/pull/6158
* fix(common): apply platform default proxy URL on load and reset by @nivedin in https://github.com/hoppscotch/hoppscotch/pull/6142
* feat: add collection-level pre-request and test scripts by @johnan319 in https://github.com/hoppscotch/hoppscotch/pull/5745
* fix(common): support `id_token` in Authorization Code OAuth flow by @anwarulislam in https://github.com/hoppscotch/hoppscotch/pull/6144
* feat(desktop): settings phase 0 - infra and update check by @CuriousCorrelation in https://github.com/hoppscotch/hoppscotch/pull/6172
* feat(selfhost-web): make webapp-server timeouts configurable by @rkferreira in https://github.com/hoppscotch/hoppscotch/pull/6147
* fix(common): restore magic-link sign-in flow on cloud for orgs by @jamesgeorge007 in https://github.com/hoppscotch/hoppscotch/pull/6237
* fix(desktop): unified store scope and migration reroute by @CuriousCorrelation in https://github.com/hoppscotch/hoppscotch/pull/6238
* chore: security patch for the dependency chain `v2026.4.0` by @mirarifhasan in https://github.com/hoppscotch/hoppscotch/pull/6191
* fix(backend): harden onboarding config endpoint by @mirarifhasan in https://github.com/hoppscotch/hoppscotch/pull/6240
* fix(common): set domain url  as mockserver environment by @nivedin in https://github.com/hoppscotch/hoppscotch/pull/6185
* fix(common): subfolder add-new in team collections respects write access by @nivedin in https://github.com/hoppscotch/hoppscotch/pull/6243
* fix(common): preserve string contract for GQL history responses by @jamesgeorge007 in https://github.com/hoppscotch/hoppscotch/pull/6244

## New Contributors
* @Basavaraj8143 made their first contribution in https://github.com/hoppscotch/hoppscotch/pull/6122
* @okxint made their first contribution in https://github.com/hoppscotch/hoppscotch/pull/6137
* @PallavSarkar2005 made their first contribution in https://github.com/hoppscotch/hoppscotch/pull/6117
* @Grizouforever made their first contribution in https://github.com/hoppscotch/hoppscotch/pull/6125
* @Pakvothe made their first contribution in https://github.com/hoppscotch/hoppscotch/pull/6109
* @onwp made their first contribution in https://github.com/hoppscotch/hoppscotch/pull/6071
* @rayrishu19-wq made their first contribution in https://github.com/hoppscotch/hoppscotch/pull/6160
* @sahilkhan09k made their first contribution in https://github.com/hoppscotch/hoppscotch/pull/5962
* @johnan319 made their first contribution in https://github.com/hoppscotch/hoppscotch/pull/5745
* @rkferreira made their first contribution in https://github.com/hoppscotch/hoppscotch/pull/6147

**Full Changelog**: https://github.com/hoppscotch/hoppscotch/compare/2026.3.1...2026.4.0