v2.1.0

## What's Changed
* update helm docs by @johnlanni in https://github.com/alibaba/higress/pull/1782
* feat: add ollama embedding to ai-cache by @Beatrueman in https://github.com/alibaba/higress/pull/1794
* feat: Support transforming reasoning_content returned by Qwen to OpenAI contract by @CH3CHO in https://github.com/alibaba/higress/pull/1791
* fix: Fix a bug in openaiCustomUrl support by @CH3CHO in https://github.com/alibaba/higress/pull/1790
* Add ai search plugin by @johnlanni in https://github.com/alibaba/higress/pull/1804
* feat: Unify the SSE processing logic by @CH3CHO in https://github.com/alibaba/higress/pull/1800
* fix(typo): use the correct bing name for ai-search. by @maratrixx in https://github.com/alibaba/higress/pull/1807
* Add database configuration for plugins that use Redis. by @johnlanni in https://github.com/alibaba/higress/pull/1814
* set include_usage by default for all model providers by @johnlanni in https://github.com/alibaba/higress/pull/1818
* ai-search support quark by @rinfx in https://github.com/alibaba/higress/pull/1811
* add notes to gateway.rollingMaxUnavailable by @littlejiancc in https://github.com/alibaba/higress/pull/1819
* feat: update ai-token-ratelimit documentation by removing ai-statistics plugin  by @cr7258 in https://github.com/alibaba/higress/pull/1767
* Ai data masking msg window by @007gzs in https://github.com/alibaba/higress/pull/1775
* feat: ext-auth plugin: Blacklist and whitelist modes support HTTP request method matching by @hanxiantao in https://github.com/alibaba/higress/pull/1798
* fix: remove last failed apiToken from retry apiToken list by @cr7258 in https://github.com/alibaba/higress/pull/1802
* feat: Support pushing multi-arch images to a custom image registry by @CH3CHO in https://github.com/alibaba/higress/pull/1815
* fix rust_wasm_build by @007gzs in https://github.com/alibaba/higress/pull/1824
* fix: Disable helm-docs action since it's still under development by @CH3CHO in https://github.com/alibaba/higress/pull/1828
* fix: gateway log config should read from helm\core\values.yaml when deploy with helm by @firebook in https://github.com/alibaba/higress/pull/1834
* Simplify the implementation of ai-search integration with quark and add a tutorial. by @johnlanni in https://github.com/alibaba/higress/pull/1838
* optimize ai search by @johnlanni in https://github.com/alibaba/higress/pull/1843
* feat(helm): add podLabels to gateway && controller by @daixijun in https://github.com/alibaba/higress/pull/1792
* doc: Update the description of timeout config of ai-proxy by @CH3CHO in https://github.com/alibaba/higress/pull/1845
* add plugin start log in sdk by @rinfx in https://github.com/alibaba/higress/pull/1831
* feat: Support only watching key resources in one namespace by @CH3CHO in https://github.com/alibaba/higress/pull/1821
* Set the llm-api-key field of the ai-search plugin to optional by @johnlanni in https://github.com/alibaba/higress/pull/1846
* chore: load EXTRA_TAGS from plugin .buildrc file to avoid build issue. by @Colstuwjx in https://github.com/alibaba/higress/pull/1852
* fix plugin_wrapper.go log level by @Colstuwjx in https://github.com/alibaba/higress/pull/1848
* fix: Fix the incorrect reasoning content concat logic in ai-proxy by @CH3CHO in https://github.com/alibaba/higress/pull/1842
* optimize ai-search references by @johnlanni in https://github.com/alibaba/higress/pull/1859
* optimize model router&mapper by @johnlanni in https://github.com/alibaba/higress/pull/1866
* feat: allow failover to distinguish between different endpoint of the same provider by @cr7258 in https://github.com/alibaba/higress/pull/1862
* feat: add replay protection plugin by @yunmaoQu in https://github.com/alibaba/higress/pull/1672
* feat: add huggingface embedding to ai-cache by @Beatrueman in https://github.com/alibaba/higress/pull/1864
* add redis init status log by @rinfx in https://github.com/alibaba/higress/pull/1867
* support default value by @rinfx in https://github.com/alibaba/higress/pull/1873
* feat: support elasticsearch hybrid search by @cr7258 in https://github.com/alibaba/higress/pull/1844
* bugfix：[frontend-gray plugin] Force no caching for fetch requests by @heimanba in https://github.com/alibaba/higress/pull/1856
* feat: support retry on http status code by @cr7258 in https://github.com/alibaba/higress/pull/1817
* fix openai embedding path by @johnlanni in https://github.com/alibaba/higress/pull/1881
* Rust WASM plugin support for matching service and route name prefixes is effective. by @007gzs in https://github.com/alibaba/higress/pull/1882
* AI-search plugin supports controlling through the web_search_options parameter. by @johnlanni in https://github.com/alibaba/higress/pull/1893
* fix chunk merge bug in ai-search by @johnlanni in https://github.com/alibaba/higress/pull/1895
* more optimize of ai search plugin by @johnlanni in https://github.com/alibaba/higress/pull/1896
* add variable from secret when applying istio cr by @2456868764 in https://github.com/alibaba/higress/pull/1877
* optimize retry&failover logic by @johnlanni in https://github.com/alibaba/higress/pull/1903
* feat: Support files and batches APIs provided by Azure OpenAI by @CH3CHO in https://github.com/alibaba/higress/pull/1904
* support nil option in NewCommonVmCtx by @johnlanni in https://github.com/alibaba/higress/pull/1909
* feat: Support forwarding embedding calls to Ollama in ai-proxy by @CH3CHO in https://github.com/alibaba/higress/pull/1913
* optimization parseIP in xff by @007gzs in https://github.com/alibaba/higress/pull/1915
* fix: Skip reading non-JSON request bodies in ai-proxy by @CH3CHO in https://github.com/alibaba/higress/pull/1914
* feat: add ratelimit metrics in the ai-token-ratelimit plugin  by @hzhswyz in https://github.com/alibaba/higress/pull/1918
* feat: add xfyun emb to ai-cache by @Beatrueman in https://github.com/alibaba/higress/pull/1921
* feat: add buffer_limit functions by @Fengxq2014 in https://github.com/alibaba/higress/pull/1922
* Fix the error in the embedding interface under the AI proxy Qwen compatible mode. by @rinfx in https://github.com/alibaba/higress/pull/1928
* improve the logic for constructing redis key by @rinfx in https://github.com/alibaba/higress/pull/1933
* add example for extending span attributes by @rinfx in https://github.com/alibaba/higress/pull/1936
* optimize plugin sdk by @johnlanni in https://github.com/alibaba/higress/pull/1930
* feat: add golang filter and mcp-server by @Jing-ze in https://github.com/alibaba/higress/pull/1942
* chore: Remove redundant get-higress.sh by @CH3CHO in https://github.com/alibaba/higress/pull/1943
* feat: add config parse in mcp server  by @Jing-ze in https://github.com/alibaba/higress/pull/1944
* Add remote mcp server sdk by @johnlanni in https://github.com/alibaba/higress/pull/1946
* add parse_rule_config fail log by @007gzs in https://github.com/alibaba/higress/pull/1938
* fix invalid ai-proxy cluster by @johnlanni in https://github.com/alibaba/higress/pull/1947
* revert wrapper changes by @johnlanni in https://github.com/alibaba/higress/pull/1948
* fix ai-search rewrite query when no search result found by @johnlanni in https://github.com/alibaba/higress/pull/1949
* add: add mcp server amap tools by @mirror58229 in https://github.com/alibaba/higress/pull/1951
* feat: add mcpServer in config map by @Jing-ze in https://github.com/alibaba/higress/pull/1953
* feat: update Go filter mcp-server by @Jing-ze in https://github.com/alibaba/higress/pull/1950
* Fix log import by @johnlanni in https://github.com/alibaba/higress/pull/1957
* fix: Fix the incorrect image used to build envoy by @CH3CHO in https://github.com/alibaba/higress/pull/1958
* key auth support multiple credentials by @johnlanni in https://github.com/alibaba/higress/pull/1956
* rel 2.1.0-rc.1 by @johnlanni in https://github.com/alibaba/higress/pull/1959
* fix: Fetch get-higress.sh from standalone repo by @CH3CHO in https://github.com/alibaba/higress/pull/1945
* fix: update log info to debug by @Jing-ze in https://github.com/alibaba/higress/pull/1954
* feat: support nacos mcp registry by @luoxiner in https://github.com/alibaba/higress/pull/1961
* update default enable path suffix in model mapper&router plugin by @johnlanni in https://github.com/alibaba/higress/pull/1962
* fix golang filter build by @johnlanni in https://github.com/alibaba/higress/pull/1966
* fix: add match list and wasm mcp-server message pub in redis  by @Jing-ze in https://github.com/alibaba/higress/pull/1963
* fix: mcp server config map by @Jing-ze in https://github.com/alibaba/higress/pull/1969
* doc: add ai statistics metric doc by @cr7258 in https://github.com/alibaba/higress/pull/1889
* feat: add azure embedding to ai-cache by @Beatrueman in https://github.com/alibaba/higress/pull/1975
* docs: Add Azure OpenAI configuration instructionsby @Beatrueman in https://github.com/alibaba/higress/pull/1976
* refactor mcp sdk by @johnlanni in https://github.com/alibaba/higress/pull/1977
* Add all in one mcp by @johnlanni in https://github.com/alibaba/higress/pull/1978
* fix inclusionRegexps not working by @hzhswyz in https://github.com/alibaba/higress/pull/1972
* fix: fix bug of mcp server proxy by @Jing-ze in https://github.com/alibaba/higress/pull/1981
* fix: Fix several issues in the envoy.yaml configuration file by @Fengxq2014 in https://github.com/alibaba/higress/pull/1983
* fix: mcp proxy eventData by @Jing-ze in https://github.com/alibaba/higress/pull/1985
* support rest to mcp by @johnlanni in https://github.com/alibaba/higress/pull/1988
* rename redis key by @rinfx in https://github.com/alibaba/higress/pull/1986
* feat: Add an optional Redis component to the Higress helm package by @littlejiancc in https://github.com/alibaba/higress/pull/1973
* feat: support service delete event trigger for tool and some fix by @luoxiner in https://github.com/alibaba/higress/pull/1987
* use custom nacos go sdk for disable log by @luoxiner in https://github.com/alibaba/higress/pull/1991
* update proxy-wasm-cpp-host by @johnlanni in https://github.com/alibaba/higress/pull/1993
* fix: Golang filter supports skipping processing at the body stage. by @Jing-ze in https://github.com/alibaba/higress/pull/1989
* release 2.1.0 rc.2 by @johnlanni in https://github.com/alibaba/higress/pull/1995
* release 2.1.0 by @Jing-ze in https://github.com/alibaba/higress/pull/1998
* fix poll_oneof by @johnlanni in https://github.com/alibaba/higress/pull/2003
* optimize: Support viewing MCP debug information in the response code details log field by @johnlanni in https://github.com/alibaba/higress/pull/2007
* release 2.1.0 by @johnlanni in https://github.com/alibaba/higress/pull/2008

## New Contributors
* @maratrixx made their first contribution in https://github.com/alibaba/higress/pull/1807
* @firebook made their first contribution in https://github.com/alibaba/higress/pull/1834
* @Colstuwjx made their first contribution in https://github.com/alibaba/higress/pull/1852
* @hzhswyz made their first contribution in https://github.com/alibaba/higress/pull/1918
* @Fengxq2014 made their first contribution in https://github.com/alibaba/higress/pull/1922
* @luoxiner made their first contribution in https://github.com/alibaba/higress/pull/1961

**Full Changelog**: https://github.com/alibaba/higress/compare/v2.0.7...v2.1.0