| Build. Built-in (JPS) | Feature | IDEA-231528 | Update "Error Prone" compiler to 2.3.4 |
| Bug | IDEA-231222 | ClassCastException: LinkedHashMap$Entry cannot be converted to HashMap$TreeNode in PathRelativizerService | |
| Bug | IDEA-231506 | Error-Prone plugin: use HTTPs for Maven URL | |
| Build. Gradle | Bug | IDEA-228182 | BuildListener#buildStarted(Gradle) has been deprecated |
| Usability | IDEA-219200 | Changing the type of source folder in Gradle build script does not change type of source folder in IJ on import | |
| Code Analysis. Inspection | Bug | IDEA-230363 | Freeze in StreamApiMigrationInspection when StringBuilder-append-loop is followed by append to another StringBuilder |
| Core. Licensing | Usability | IDEA-230372 | Trim spaces in credentials fields |
| Core. Navigation and Search | Bug | IDEA-225211 | 2019.3 EAP unable to find file with "Content Root Path" |
| Frameworks. Reactor | Bug | IDEA-229485 | False warning: Value is never used as Publisher in kotlin 'when' |
| Frameworks. Spring | Bug | IDEA-229018 | spring.h2.console.enabled |
| Bug | IDEA-227537 | start.spring.io wizard does not auto-import Maven project anymore | |
| Java | Performance | IDEA-229443 | High CPU usage when calculating Spring editor notifications |
| Java. Debugger | Bug | IDEA-227795 | Evaluate code fragment doesn't work for a specific case |
| Bug | IDEA-229546 | Smart step into behaves weirdly in a particular case | |
| Java. Error Highlighting | Performance | IDEA-228768 | High CPU usage when typing and code analysis in EJB project |
| Java. Inspections | Bug | IDEA-230116 | Incorrect "Redundant operation on empty container" inspection result |
| Bug | IDEA-229673 | False-negative in "Integer multiplication or shift implicitly cast to long" when shifting | |
| Bug | IDEA-229598 | Constant conditions & exceptions false positive | |
| Java. Intention Actions | Bug | IDEA-229683 | Replacement IntStream.range.mapToObj with Arrays.stream is wrong when array elements are written. |
| Java. Tests. JUnit | Bug | IDEA-227983 | Tests do not run after upgrade to IDEA 2019.3 on a JPMS-enabled project |
| Lang. XML | Bug | IDEA-208897 | Validation XML against XSD using attributeGroup in included file |
| Bug | IDEA-229461 | Help Resolving XML Catalog URIs | |
| Bug | IDEA-210737 | XSD Generator crashes IDEA | |
| Lang. YAML | Bug | IDEA-229869 | prometheus.yml -> Required: null, Actual: null |
| Tools. Terminal | Bug | IDEA-230321 | When opening link from IDE Terminal extra characters (e.g. s, ms, 5ms) are added intermittently to the link |
| User Interface | Bug | IDEA-211955 | "Open Recent" shows full path for consequently opened projects |
| Bug | IDEA-223220 | Truncated characters in the project tree | |
| User Interface. Find, Replace, Usages | Bug | IDEA-231072 | intellij idea incorrect processing of regex: “regular expression matches empty string” |
| User Interface. Keyboard Input | Bug | IDEA-228089 | Cannot use FCITX since Clion 2019.3 |
| User Interface. Navigation | Bug | IDEA-228670 | Recent Files: restoring scrolling position broken? |
| Version Control | Bug | IDEA-230617 | Favorite branch mark is lost on exit |
| Version Control. Git | Bug | IDEA-230806 | Git installation is not detected on Windows if not in the PATH |
| Bug | IDEA-230378 | Trying to resolve conflicts between unrelated histories fails | |
| Version Control. Log | Performance | IDEA-219710 | IntelliJ 2019.2 high cpu usage (with git) at idle. |
| Version Control. Subversion | Bug | IDEA-226333 | SVN (possibly other VCS too?) version control in an infinite refresh loop |
| File Watchers | Bug | WEB-43079 | Extremely wide File Watcher dialog (if Unit File Support plugin is enabled) |
| HTML | Bug | WEB-43422 | "Insert closing tag on tag completion" can't be unchecked & saved |
| JavaScript | Bug | WEB-43612 | Flow: statement expected is thrown when a UnionTypeAnnotation is used as type annotation of type parameters. |
| Bug | WEB-43146 | No completion for `function` keyword after `new Classname` without semicolon | |
| Performance | WEB-43493 | IDE Freeze in 2019.3.2 | |
| JavaScript. Frameworks | Bug | WEB-43354 | WebStorm can't recognize Quasar components as of version 1.7.4 (1.7.3. works) |
| Bug | WEB-42269 | Vue: Vuetify VLayout justify-center attribute reports "Wrong attribute value" | |
| Bug | WEB-42213 | No completion of custom directives in component with splited template and script | |
| Bug | WEB-39230 | Angular i18n. Support for i18n-* attributes | |
| Bug | WEB-38949 | 'Closing Tag' suggestion box incorrectly suggests tags which have already been properly closed in JSX files | |
| Bug | WEB-40644 | Missing usage of private members in Vue components | |
| Performance | WEB-43017 | Slow scroll in new version 2019.3 | |
| Linters | Bug | WEB-43396 | Support Prettier with Yarn PnP >= 2.0.0-rc23 |
| Bug | WEB-43384 | Support ESLint with Yarn PnP >= 2.0.0-rc23 | |
| Node.js | Bug | WEB-43298 | Can't install packages with yarn 2.0.0-rc22 |
| Bug | WEB-42738 | Environment variables configured in run configuration are undefined when using WSL node interpreter | |
| TypeScript | Bug | WEB-40117 | TypeScript - cannot auto-complete "readonly" in generic type |
| Bug | WEB-43178 | False warning "Unused assignment" on Optional Chaining | |
| Bug | WEB-43069 | Type guard is incorrectly evaluated for a destructuring variable with default value | |
| Bug | WEB-43352 | TypeScript: mapping between ".ts" and ".d.ts" files works incorrectly for variables | |
| Bug | WEB-43090 | TS non-null assertions should be affected by type guards (currently are not) | |
| Bug | WEB-43236 | Properties in class constructor shouldn't resolve to lib.dom.d.ts | |
| Unit Tests | Bug | WEB-43584 | Unable to run single Karma test with karma-jasmine >= 3.1.0 |
| DB Diagram | Bug | DBE-9903 | DB Diagram shows constraint differently in 2019.3 version |
| DB Introspection | Bug | DBE-9980 | Auto sync is not working if create schema and objects from console |
| Bug | DBE-9897 | Wrong parameter names for Oracle system procedure | |
| SQL Completion | Performance | DBE-9844 | Huge freeze during autocomplete database table names in joins |
| SQL General | Bug | DBE-10031 | Everything is red |
| Bug | DBE-10030 | SQL Dialect missing: OracleSqlPlus |
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