webpack 5.1.3 [DEP_WEBPACK_WATCH_WITHOUT_CALLBACK] DeprecationWarning

[xkid1]

(node:31189) [DEP_WEBPACK_WATCH_WITHOUT_CALLBACK] DeprecationWarning: A 'callback' argument need to be provided to the 'webpack(options, callback)' function when the 'watch' option is set. There is no way to handle the 'watch' option without a callback.
(node:31189) [DEP_WEBPACK_COMPILATION_OPTIMIZE_CHUNK_ASSETS] DeprecationWarning: optimizeChunkAssets is deprecated (use Compilation.hook.processAssets instead and use one of Compilation.PROCESS_ASSETS_STAGE_* as stage option)
(node:31189) [DEP_WEBPACK_DEPRECATION_ARRAY_TO_SET] DeprecationWarning: Compilation.chunks was changed from Array to Set (using Array method 'reduce' is deprecated)
(node:31189) [DEP_WEBPACK_DEPRECATION_ARRAY_TO_SET_LENGTH] DeprecationWarning: chunk.files was changed from Array to Set (using Array property 'length' is deprecated)
(node:31189) [DEP_WEBPACK_DEPRECATION_ARRAY_TO_SET_INDEXER] DeprecationWarning: chunk.files was changed from Array to Set (indexing Array is deprecated)

[bradtgmurray]

Dupe of #1918 ?

[alexander-akait]

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