Generate changelog for 3.0.2

Also, remove unreleased/ entries.

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changelogs/3.0.2.md

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+# 3.0.2
+
+Date: 2024-04-16
+Tag: 3.0.2
+
+## Overview
+
+3.0.2 is the third [stable][release_policy] version of the 3.0 release
+series. It resolves 31 bugs since 3.0.1.
+
+The "stable" label means that we have all planned features implemented and we
+see no high-impact issues. However, if you encounter an issue, feel free to
+[report it][issues] on GitHub.
+
+[release_policy]: https://www.tarantool.io/en/doc/latest/release/policy/
+[issues]: https://github.com/tarantool/tarantool/issues
+
+## Compatibility
+
+Tarantool 3.x is backward compatible with Tarantool 2.11.x in the binary data
+layout, client-server protocol, and replication protocol.
+
+Please [upgrade][upgrade] using the `box.schema.upgrade()` procedure to unlock
+all the new features of the 3.x series.
+
+[upgrade]: https://www.tarantool.io/en/doc/latest/book/admin/upgrades/
+
+## Bugs fixed
+
+### Core
+
+* Fixed a bug when Tarantool could hang due to `box.watch` (gh-9632).
+* Fixed a crash on dropping a just accepted connection (gh-9717).
+* The error messages are no longer stripped (gh-4975).
+* Increased the maximum number of tuples in a hash index from 2147483648 (2^31)
+  to 4294967288 (2^32 - 8) (gh-9864).
+* Now all triggers either have a direct impact on the execution flow (for
+  example, closing a connection or throwing an error) or print a message to
+  the error log when they throw an error (gh-9309).
+* The `exclude_null` option is now supported by functional indexes (gh-9732).
+* Fixed a memory leak when dropping fully-temporary spaces (gh-9296).
+* Fixed a bug that resulted in a crash when both MVCC and index with the
+  `exclude_null` part were used (gh-9954).
+
+### Replication
+
+* Fixed a bug when replication broke with `ER_PROTOCOL` when transactions ended
+  with a local space operation (gh-9491).
+* Fixed an issue when it was possible to use the
+  `box_collect_confirmed_vclock` stack after return (gh-9505).
+
+### Raft
+
+* Now the leader resigns on the first encounter with the `ER_WAL_IO`
+  write error (gh-9399).
+
+### LuaJIT
+
+Backported patches from the vanilla LuaJIT trunk (gh-9145, gh-9595). The
+following issues were fixed as part of this activity:
+
+* Limited exponent range in number parsing by `2^20`.
+* Fixed build with internal unwinding.
+* Fixed double-emitting of `IR_NEWREF` when restoring sunk values for side
+  trace (gh-7937).
+* Fixed the `IR_HREFK` optimization for huge tables.
+* Fixed recording of the `__concat` metamethod.
+* Fixed the embedded bytecode loader.
+* Improved error reporting on stack overflow.
+* Fixed assertion on the Lua stack overflow for a stitched trace.
+* Fixed snapshoting of functions for non-base frames.
+* Fixed a crash in the allocator during sysprof profiling (gh-8140).
+* No side traces are recorded now after disabling the JIT via `jit.off()`.
+* Fixed handling of instable boolean types in TDUP load forwarding.
+* Fixed a crash during the restoration of the sunk `TNEW` with a huge array
+  part.
+* Fixed stack-buffer-overflow for `string.format()` with `%g` modifier and
+  length modifier.
+* Fixed recording of `setmetatable()` with `nil` as the second argument.
+* Fixed recording of `select()` in case with negative first argument.
+* Fixed use-def analysis for child upvalues.
+* Added the `cc` file type for saving bytecode.
+* Fixed C file generation in `jit.bcsave`.
+* Fixed trace error handling during trace stitching.
+* Fixed recording of the `__concat` metamethod for vararg or protected frames.
+* Fixed recording of a side trace returning to a lower frame with a maximum
+  possible frame size.
+* Fixed `debug.setmetatable()` and `lua_setmetatable()` with enabled
+  `jit.dump()`.
+* Fixed recording of side traces with a down-recursion.
+
+### Lua
+
+* Fixed a memory leak in `error_object:set_prev()` (gh-9694).
+* Fixed alias detection in the YAML encoder (gh-8350, gh-8310, gh-8321).
+* Fixed a regression that caused the `wait_connected = false` option of
+  `net_box.connect` to yield, despite being required to be fully asynchronous
+  (gh-9489).
+* Fixed a bug in `net.box` when a connection with asynchronous requests could
+  get garbage collected (gh-9629).
+* Fixed an inconsistency between the documented `on_disconnect` trigger behavior
+  of `net.box` connections when an error is thrown and the actual behavior
+  (gh-9717).
+* Fixed a bug in the `on_disconnect` trigger of `net.box` connections that
+  caused Tarantool server to hang indefinitely when an error was thrown from the
+  trigger (gh-9797).
+* The `on_schema_reload` trigger behavior of `net.box` connections when an
+  error is thrown is now consistent with the behavior of the `on_disconnect`
+  trigger (gh-9679).
+* Fixed a bug when a `net.box` connection remained active after being closed
+  from the connection's `on_connect` trigger (gh-9827).
+
+### Config
+
+* Fixed a bug when only one alert of a particular type is reported in
+  `config:info().alerts` instead of several ones. Examples of such alerts are
+  privilege grant delay due to a lack of a space/function/sequence and skipping
+  of a non-dynamic `box.cfg()` option applies on the configuration reloading
+  (gh-9586).
+* An alert regarding delayed privilege granting is now cleared when the
+  privilege is granted (gh-9574).
+* Calling `require('config'):get()` in role code now returns the configuration
+  that is currently applied (gh-9649).
+* The config status is now set after the `post_apply` phase (ghe-643).
+* A non-existent role can now be assigned in the `credential` section of
+  the configuration (gh-9643).
+* Privileges that were not granted by the config module are no longer
+  revoked by the config module (gh-9643).
+* Fixed a non-verbose error on an empty configuration file.
+  Now Tarantool can successfully start up with an empty configuration
+  file using data from other configuration sources (gh-9845).
+* Added additional validation to a cluster's configuration.
+  Now it is forbidden to create an empty group or
+  replicaset (gh-9895).
+* Added a subject URI to the error that is thrown on configuration
+  verification (gh-9644).
+* Added a warning with the skipped (unsuitable) URI to replicaset
+  and sharding configuration (gh-9644).
+
+### Datetime
+
+* Fixed a bug in `strptime` when the assertion was triggered (gh-8525).
+
+### Build
+
+* Fixed `package.cpath` for Debian based distros (gh-9580).
+
+## Testing
+
+* Bumped `metrics` submodule to commit `3370f85` to fix compatibility with
+  `luatest` commit `d985997`.
+
+## Tools
+
+* `tarantoolctl` has been removed. Systemd, sysvinit and logrotate scripts
+  based on it were also removed. All this functionality is covered by the `tt`
+  utility.  `tarantoolctl` is no longer available in official deb and rpm
+  packages. This change will only affect the absence of tarantoolctl in future
+  releases of tarball archives.  (gh-9443).
+* Added the `--human-readable` option for the `misc.memprof` parser to print
+  sizes like 1KiB, 234MiB, 2GiB, etc.
+  Made the errors from the profilers more user-friendly (gh-9217).