v0.5.0

See full changelog here.
Commits, chronological:

• update DigitalOcean image manifest and init script to install the latest server release, add docs (#195)

• remove build matrix and create release in the end of build to avoid downtime in binary availability (#196)

• URI syntax for SMP queues and connection requests (#210)

• merge protocol changes from v5 (#211)

• support permanent connection link ("contact") in SMP agent protocols (#143)

• add CONF/LET for invitations, use REQ/ACPT only with contact connections (#212)

• use base64url encoding for public key in connection requests; only allow accepting invitations that were not accepted (#213)

• SimpleX protocols and network overview (#215)

• RJCT / rejectContact to reject contact requests (#214)

• delete contact connection with DEL command (#218)

• prepare v0.5.0 - update versions, changelog (#219)

• 0.5.0

v0.4.1

• include migrations in the package, update docs, versions (#194)

• 0.4.1

v0.4.0

See CHANGELOG.md for the details.

• SMP server linode StackScript (#147)

• turn off smp server websockets support in linode script (#149)

• add linode deployment recipe, modify smp-server-linode script (#151)

• update script link (#152)

• agent entity types (#148)

• database migrations (#153)

• broadcast commands (#154)

• groups agent protocol (#142)

• add DigitalOcean SMP server Droplet recipe, extend readme (#150)

• remove digitalocean deployment until ready (#157)

• introduction protocol (#156)

• remove entities, remove broadcasts (#158)

• SMP agent: functional API (#159)

• pass migration as parameter (to use in simplex-chat) (#161)

• SQLiteStore connection pool (#162)

• refactor message meta to MsgMeta type (#164)

• upgrade stack resolver to lts-18.0 (#165)

• ask client for confirmation of sender; make establishment of connection asynchronous (#163)

• remove connection ID parameter from agent functions (#166)

• fix markdown error in crypto rfc (#167)

• add tests for establishing connection asynchronously; retrieve correct key for activation on restart (#169)

• add digital ocean deployment instruction (#168)

• use explicit immediate transactions in all functions that change db (#170)

• commit simplexmq.cabal to remove stack DEPRECATED warning (#172)

• create cfg dir before server initialization (#173)

• decrease initial delay for HELLO retries on online activation (#174)

• Remove introductions, rename CONF/LET to REQ/ACPT (#175)

• agent lock to avoid running subscriber and client processing in parallel; remove check that the connection is active when delivering a message (#176)

• funding.yml (#177)

• reconnect server and resubscribe connections after disconnection (#178)

• asynchronous message sending to allow accepting messages when agent (or server) is offline (#179)

• support 3072 bits RSA key size (#180)

• refactor with RecordWildCards (#181)

• add SMP queue quota to server config (and use TBQueue for messages) (#182)

• change type of agent sendMessage result to AgentMsgId (#183)

• fix error handling of sending pending messages; set block size to 8192 (#184)

• set block size to 4096 bytes (#185)

• export withAgentLock and do not acquire agent lock in functional API (#186)

• ACK command, ackMessage, do not send ACK to SMP server on MSG (after the initial handshake) (#187)

• SMP block size via config, the client can override size set by the server (#188)

• do not allow "," and ";" separators in smp-server hostname (#189)

• move tryError to Simplex.Messaging.Util (#191)

• update protocols (#190)

• Merge branch 'master' into v4

• Merge pull request #160 from simplex-chat/v4

• v4 (#192)

• update version (0.4.0) and changelog (#193)

• 0.4.0

v0.3.2

• simplex-messaging.md reformulation of key pairs handling part (#141)

• websockets transport (#139)

• SMP server CLI commands (#144)

• upgrade ghc to 8.10.4, stack resolver to 17.12 (#145)

• 0.3.2 (#146)

v0.3.1

• docs: correct agent protocol abnf (#128)

• move SMP server from agent commands NEW/JOIN to agent config (#129)

• agent: send CON to user when the 1st party responds HELLO; fix REPLY vulnerability (#130)

• sqlite busy stress test (#131)

• package and module docs, remove Simplex.Markdown (moved to simplex-chat), rename Agent.Transmission to Agent.Protocol (#133)

• agent: change sqlite busy retry handling; set journal_mode = WAL (#132)

• update package categories (#134)

• reduce transaction retry back-off factor to 1.25 (31 retries) (#136)

• reduce transaction retry back-off factor to 1.125 (#137)

• reorganize sqlite store test suite (#138)

• 0.3.1 (#135)

v0.3.0

• tests: block on tcp server creation (#99)
• standard X509/PKCS8 encoding for RSA keys (#98)
• change missing IDs message status syntax (#100)
• improve error handling (#101)
• return error on creation of duplicate connection (#102)
• chat: add connection errors in chat, fix catch (#103)
• binary X509 encoding for RSA key send during transport handshake (#105)
• sign and verify agent messages (#106)
• set different default server (#107)
• store log (#108)
• test: SMP server store log (#109)
• Updated ChatHelpInfo (#112)
• reduce help size (#113)
• save keys as binary to db, remove legacy encoding (#114)
• agent: verify msg integrity based on previous msg hash and id (#110)
• reserve block size (32 bit) and protocol (16 bit) in client handshake (#116)
• mitigate timing attack to determine if queue exists (#117)
• agent sqlite: store msg hashes and integrity (#118, #119, #120)
• update SMP version (#123)
• only allow correct key and signature sizes, improve timing mitigation (#121)
• simplify KeyHash type, store key hash in DB as binary (#122)
• base64 encode keyhash in DB (#126)
• SimplexMQ readme, remove chat client (#125)
• build SMP server on tags (#127)
• 0.3.0

v0.2.0

• SMP agent implementation (#1)

• agent store: add positive updateQueueStatus tests for snd and rcv conns (#10)

• agent store: add createMsg (#14)

• agent store: move SQLite Types -> Util (#30)

• agent sqlite: rework schema, make methods transactional, enable foreign keys (#34)

• crypto: clean up magic numbers (#40)

• crypto (#33)

• crypto rfc: clean up e2e (#41)

• agent: save messages (#45)

• agent tests (#8)

• ci: cache dependencies (#11)

• SMP client library (#9)

• SMPClient returns errors via ExceptT (#13)

• receiving messages and remaining client functions (#15)

• tests: randomize db file name to fix io errors (#16)

• Receive messages (#17)

• agent store: add update queue methods (#19)

• agent store: add getReceiveQueue

• correct variable name

• parse agent messages with attoparsec (#18)

• Sending messages end to end (#21)

• sql quasi-qouter (#26)

• Logging (#24)

• reorganize Protocol and Agent Store (#25)

• subscriptions (#27)

• suspend and delete connection (#28)

• handle TCP disconnections (WIP) (#29)

• Refactor END notifications (#31)

• message management (#32)

• chat prototype (#35)

• fix ghc version in build (#36)

• Sign / verify SMP commands (#37)

• use cryptographic key pairs for encryption keys (#39)

• E2E message encryption (#38)

• dog-food: distinguish self from contacts (#42)

• add instructions on how to run chat client to README (#43)

• terminal UI (#44)

• add Dockerfile for building chat executable and instructions on running it (#48)

• remove GADT syntax from existential wrappers (#49)

• add mutex to prevent ansi codes appearing in the output (#50)

• chat: fix welcome line (#51)

• agent sqlite: move sql queries closer to parameters (#53)

• agent sqlite: merge SQLite and SQLite.Util (#54)

• add *.session.sql to .gitignore - for saving db queries (#52)

• agent store: settle naming of Rcv and Snd entities (#55)

• add chat history instructions to README (#56)

• agent store: accept internal ts and return internal id (#58)

• SMP heartbeat to maintain the connection (#59)

• Separate db connection for each TCP client connection (#60)

• improve rsa encryption (#61)

• Types.hs -> Protocol.hs (#62)

• check that sqlite library is compiled with threadsafe code (#63)

• agent store: explain use for various message Ids (#66)

• agent store: organize sender and broker fields into tuples (#67)

• agent store: make newtypes for msg internal Ids (#68)

• chat: subscribe to all connections on startup (#70)

• Windows terminal editing (#71)

• simplify installation instruction (#72)

• readme: note on docker (#73)

• agent sqlite: initialize database in home directory by default (#74)

• agent sqlite: enable FKs in all db connections (#75)

• automate releases (#76)

• enforce windows terminal mode to basic, warning message (#77)

• remove terminal mode "simple" (#78)

• Support windows terminal in basic mode (#80)

• Markdown (#81)

• refactor chat terminal (#83)

• automate changelogs (#84)

v0.1.0

SMP protocol server implementation without encryption.