New Functionality

Support has been added for a new router, Fiber

• Feat: Add Fiber server support by @Jleagle in #813

Notable Changes

These changes may affect your code, and possibly some incompatibilities where boilerplate had to be changed to fix issues.

• Gin's Cookie() returns string, not *http.Cookie by @derfenix in #878
• Use gin.IRouter instead of *gin.Engine by @derfenix in #879
• fix generated client code cannot convert UUIDs to string when used as… by @benyaminbeyzaie in #956
• Add form struct tag for x-www-form-urlencoded request schemas by @ivan1993spb in #1000
• Add initialism-overrides flag by @shiv3 in #1007
• Reusable strict middlewares by @Warboss-rus in #1021
• Support for hal+json format by @martinhej in #1030
• fix: Avoid nil reference for gin wrapper by @amweiss in #1057
• Introduce content type into generated JSON types by @jamietanna in #1078

The Rest

• Bump golang.org/x/tools from 0.3.0 to 0.4.0 by @dependabot in #893
• Bump github.com/go-chi/chi/v5 from 5.0.7 to 5.0.8 by @dependabot in #894
• relax validation of discriminators when merging allOf schemas. by @cosnicolaou in #895
• x-enum-varnames revival by @amery in #880
• Bump github.com/matryer/moq from 0.2.7 to 0.3.0 by @dependabot in #875
• Warn when using a non-empty spec.Servers by @jamietanna in #883
• This PR addresses issue 896. by @cosnicolaou in #897
• fix(oapi-codegen): package name detection by @stevenh in #873
• AdditionalProperties and oneOf in one Schema by @B-Lorentz in #765
• Reverse the order of the middleware when they applied in gorilla/mux implementation by @mpls104 in #842
• Bump golang.org/x/text from 0.5.0 to 0.6.0 by @dependabot in #921
• Bump github.com/getkin/kin-openapi from 0.107.0 to 0.112.0 by @dependabot in #907
• fix(gin-template): Respect ctx.Abort() by @alexstojda in #914
• Bump github.com/labstack/echo/v4 from 4.9.1 to 4.10.0 by @dependabot in #912
• Bump github.com/gin-gonic/gin from 1.8.1 to 1.8.2 by @dependabot in #908
• Bump golang.org/x/tools from 0.4.0 to 0.5.0 by @dependabot in #920
• change error message when failed parsing date-time in deepObject by @ikorihn in #919
• fix(deps): update kin-openapi to v0.104.0 by @mgabeler-lee-6rs in #953
• Bump golang.org/x/tools from 0.5.0 to 0.6.0 by @dependabot in #964
• Bump golang.org/x/net from 0.5.0 to 0.7.0 by @dependabot in #973
• Bump github.com/labstack/echo/v4 from 4.10.0 to 4.10.2 by @dependabot in #980
• Bump github.com/stretchr/testify from 1.8.1 to 1.8.2 by @dependabot in #981
• Bump golang.org/x/text from 0.6.0 to 0.8.0 by @dependabot in #989
• Bump github.com/gin-gonic/gin from 1.8.2 to 1.9.0 by @dependabot in #1001
• OneOf: Implicit mapping by @Antonboom in #932
• Bump golang.org/x/tools from 0.6.0 to 0.7.0 by @dependabot in #1002
• Bump github.com/matryer/moq from 0.3.0 to 0.3.1 by @dependabot in #1003
• Fix incorrect fieldname reserved keywords in path parameters (strict server) by @reinkrul in #999
• Client With Responses not able to solve external refs by @amammay in #959
• Fix incorrectly generated empty array for security requirements by @benyaminbeyzaie in #955
• Fix README.md example usage by @hjblom in #982
• Add proper Godoc comment for properties marked as deprecated by @papkos in #976
• Use different order of arguments for json merge by @hhelmken in #998
• Fix allOf merges using external refs by @octomad in #941
• fix(oapi-codegen): command line parsing compatibility by @stevenh in #852
• fix959 by @Rmarken5 in #992
• Bump github.com/getkin/kin-openapi from 0.114.0 to 0.115.0 by @dependabot in #1008
• Bump golang.org/x/text from 0.8.0 to 0.9.0 by @dependabot in #1023
• Improve logic for x-omitempty by @veleek in #1033
• Bump golang.org/x/tools from 0.7.0 to 0.8.0 by @dependabot in #1024
• Bump github.com/getkin/kin-openapi from 0.115.0 to 0.116.0 by @dependabot in #1032
• Fix pointers equality in TypeDefinitionsEquivalent function by @spinillos in #952
• Add InternalServerError when err is not nil in strict-gin by @shirou in #1012
• fix: Use helper function to detect general JSON responses by @hikhvar in #945
• Update authenticated example - set token in echo context.. by @sblackstone in #917
• Fix AdditionalPropertiesType Propagation by @FragmentedPacket in #1017
• Assign values of type Map in deep objects by @goblindegook in #934
• chore: move install mapping to global state by @stevenh in #853
• Handle empty application/json request bodies by @kurtinge in #1043
• fixes an error message containing a nil err object by @mwasilew2 in #1048
• Add ability to try to get templates from files or remotes by @deefdragon in #968
• Cmd flags usage: uppercase first letter, and end with a period by @alexandear in #1073
• add links to source in the README.md file by @BigBoulard in #1071
• Bump github.com/getkin/kin-openapi from 0.116.0 to 0.117.0 by @dependabot in #1054
• Bump github.com/stretchr/testify from 1.8.2 to 1.8.3 by @dependabot in #1053
• Bump golang.org/x/tools from 0.8.0 to 0.9.1 by @dependabot in #1049
• Fix typos in comments by @alexandear in #1050
• checking query params for nil value by @yuoppp in #1064
• Bump golang.org/x/tools from 0.9.1 to 0.9.2 by @dependabot in #1076
• Bump github.com/gin-gonic/gin from 1.9.0 to 1.9.1 by @dependabot in #1077
• Refactor to use strings.ReplaceAll by @alexandear in #1079

New Contributors

• @cosnicolaou made their first contribution in #895
• @amery made their first contribution in #880
• @B-Lorentz made their first contribution in #765
• @mpls104 made their first contribution in #842
• @alexstojda made their first contribution in #914
• @ikorihn made their first contribution in #919
• @Antonboom made their first contribution in #932
• @reinkrul made their first contribution in #999
• @amammay made their first contribution in #959
• @benyaminbeyzaie made their first contribution in #956
• @hjblom made their first contribution in #982
• @papkos made their first contribution in #976
• @ivan1993spb made their first contribution in #1000
• @hhelmken made their first contribution in #998
• @octomad made their first contribution in #941
• @Rmarken5 made their first contribution in #992
• @shiv3 made their first contribution in #1007
• @martinhej made their first contribution in #1030
• @spinillos made their first contribution in #952
• @shirou made their first contribution in #1012
• @hikhvar made their first contribution in #945
• @sblackstone made their first contribution in #917
• @FragmentedPacket made their first contribution in #1017
• @goblindegook made their first contribution in #934
• @kurtinge made their first contribution in #1043
• @mwasilew2 made their first contribution in #1048
• @deefdragon made their first contribution in #968
• @alexandear made their first contribution in #1073
• @BigBoulard made their first contribution in #1071
• @amweiss made their first contribution in #1057
• @yuoppp made their first contribution in #1064

Full Changelog: v1.12.4...v1.13.0